git ssb

30+

cel / git-ssb-web



Tree: c161479ab3878dc4ae4819e8b18b35cbfc4cf003

Files: c161479ab3878dc4ae4819e8b18b35cbfc4cf003 / index.js

90558 bytesRaw
1var fs = require('fs')
2var http = require('http')
3var path = require('path')
4var url = require('url')
5var qs = require('querystring')
6var util = require('util')
7var ref = require('ssb-ref')
8var pull = require('pull-stream')
9var ssbGit = require('ssb-git-repo')
10var toPull = require('stream-to-pull-stream')
11var cat = require('pull-cat')
12var Repo = require('pull-git-repo')
13var ssbAbout = require('./about')
14var ssbVotes = require('./votes')
15var i18n = require('./i18n')
16var marked = require('ssb-marked')
17var asyncMemo = require('asyncmemo')
18var multicb = require('multicb')
19var schemas = require('ssb-msg-schemas')
20var Issues = require('ssb-issues')
21var PullRequests = require('ssb-pull-requests')
22var paramap = require('pull-paramap')
23var gitPack = require('pull-git-pack')
24var Mentions = require('ssb-mentions')
25var Highlight = require('highlight.js')
26var JsDiff = require('diff')
27var many = require('pull-many')
28
29var hlCssPath = path.resolve(require.resolve('highlight.js'), '../../styles')
30
31// render links to git objects and ssb objects
32var blockRenderer = new marked.Renderer()
33blockRenderer.urltransform = function (url) {
34  if (ref.isLink(url))
35    return encodeLink(url)
36  if (/^[0-9a-f]{40}$/.test(url) && this.options.repo)
37    return encodeLink([this.options.repo.id, 'commit', url])
38  return url
39}
40
41blockRenderer.image = function (href, title, text) {
42  href = href.replace(/^&/, '&')
43  var url
44  if (ref.isBlobId(href))
45    url = encodeLink(href)
46  else if (/^https?:\/\//.test(href))
47    url = href
48  else if (this.options.repo && this.options.rev && this.options.path)
49    url = path.join('/', encodeURIComponent(this.options.repo.id),
50      'raw', this.options.rev, this.options.path.join('/'), href)
51  else
52    return text
53  return '<img src="' + escapeHTML(url) + '" alt="' + text + '"' +
54    (title ? ' title="' + title + '"' : '') + '/>'
55}
56
57blockRenderer.mention = function (preceding, id) {
58  // prevent broken name mention
59  if (id[0] == '@' && !ref.isFeed(id))
60    return (preceding||'') + escapeHTML(id)
61
62  return marked.Renderer.prototype.mention.call(this, preceding, id)
63}
64
65function getExtension(filename) {
66  return (/\.([^.]+)$/.exec(filename) || [,filename])[1]
67}
68
69function highlight(code, lang) {
70  try {
71    return lang
72      ? Highlight.highlight(lang, code).value
73      : Highlight.highlightAuto(code).value
74  } catch(e) {
75    if (/^Unknown language/.test(e.message))
76      return escapeHTML(code)
77    throw e
78  }
79}
80
81marked.setOptions({
82  gfm: true,
83  mentions: true,
84  tables: true,
85  breaks: true,
86  pedantic: false,
87  sanitize: true,
88  smartLists: true,
89  smartypants: false,
90  highlight: highlight,
91  renderer: blockRenderer
92})
93
94// hack to make git link mentions work
95var mdRules = new marked.InlineLexer(1, marked.defaults).rules
96mdRules.mention =
97  /^(\s)?([@%&][A-Za-z0-9\._\-+=\/]*[A-Za-z0-9_\-+=\/]|[0-9a-f]{40})/
98mdRules.text = /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n| [@%&]|[0-9a-f]{40}|$)/
99
100function markdown(text, options, cb) {
101  if (!text) return ''
102  if (typeof text != 'string') text = String(text)
103  if (!options) options = {}
104  else if (options.id) options = {repo: options}
105  if (!options.rev) options.rev = 'HEAD'
106  if (!options.path) options.path = []
107
108  return marked(text, options, cb)
109}
110
111function ParamError(msg) {
112  var err = Error.call(this, msg)
113  err.name = ParamError.name
114  return err
115}
116util.inherits(ParamError, Error)
117
118function parseAddr(str, def) {
119  if (!str) return def
120  var i = str.lastIndexOf(':')
121  if (~i) return {host: str.substr(0, i), port: str.substr(i+1)}
122  if (isNaN(str)) return {host: str, port: def.port}
123  return {host: def.host, port: str}
124}
125
126function isArray(arr) {
127  return Object.prototype.toString.call(arr) == '[object Array]'
128}
129
130function encodeLink(url) {
131  if (!isArray(url)) url = [url]
132  return '/' + url.map(encodeURIComponent).join('/')
133}
134
135function link(parts, text, raw, props) {
136  if (text == null) text = parts[parts.length-1]
137  if (!raw) text = escapeHTML(text)
138  return '<a href="' + encodeLink(parts) + '"' +
139    (props ? ' ' + props : '') +
140    '>' + text + '</a>'
141}
142
143function linkify(text) {
144  // regex is from ssb-ref
145  return text.replace(/(@|%|&|&amp;)[A-Za-z0-9\/+]{43}=\.[\w\d]+/g, function (str) {
146    return '<a href="/' + encodeURIComponent(str) + '">' + str + '</a>'
147  })
148}
149
150function timestamp(time, req) {
151  time = Number(time)
152  var d = new Date(time)
153  return '<span title="' + time + '">' +
154    d.toLocaleString(req._locale) + '</span>'
155}
156
157function pre(text) {
158  return '<pre>' + escapeHTML(text) + '</pre>'
159}
160
161function json(obj) {
162  return linkify(pre(JSON.stringify(obj, null, 2)))
163}
164
165function escapeHTML(str) {
166  return String(str)
167    .replace(/&/g, '&amp;')
168    .replace(/</g, '&lt;')
169    .replace(/>/g, '&gt;')
170    .replace(/"/g, '&quot;')
171}
172
173function table(props) {
174  return function (read) {
175    return cat([
176      pull.once('<table' + (props ? ' ' + props : '') + '>'),
177      pull(
178        read,
179        pull.map(function (row) {
180          return row ? '<tr>' + row.map(function (cell) {
181            return '<td>' + cell + '</td>'
182          }).join('') + '</tr>' : ''
183        })
184      ),
185      pull.once('</table>')
186    ])
187  }
188}
189
190function ul(props) {
191  return function (read) {
192    return cat([
193      pull.once('<ul' + (props ? ' ' + props : '') + '>'),
194      pull(
195        read,
196        pull.map(function (li) {
197          return '<li>' + li + '</li>'
198        })
199      ),
200      pull.once('</ul>')
201    ])
202  }
203}
204
205function nav(links, page, after) {
206  return ['<nav>'].concat(
207    links.map(function (link) {
208      var href = typeof link[0] == 'string' ? link[0] : encodeLink(link[0])
209      var props = link[2] == page ? ' class="active"' : ''
210      return '<a href="' + href + '"' + props + '>' + link[1] + '</a>'
211    }), after || '', '</nav>').join('')
212}
213
214function renderNameForm(req, enabled, id, name, action, inputId, title, header) {
215  if (!inputId) inputId = action
216  return '<form class="petname" action="" method="post">' +
217    (enabled ?
218      '<input type="checkbox" class="name-checkbox" id="' + inputId + '" ' +
219        'onfocus="this.form.name.focus()" />' +
220      '<input name="name" class="name" value="' + escapeHTML(name) + '" ' +
221        'onkeyup="if (event.keyCode == 27) this.form.reset()" />' +
222      '<input type="hidden" name="action" value="' + action + '">' +
223      '<input type="hidden" name="id" value="' +
224        escapeHTML(id) + '">' +
225      '<label class="name-toggle" for="' + inputId + '" ' +
226        'title="' + title + '"><i>✍</i></label> ' +
227      '<input class="btn name-btn" type="submit" value="' +
228        req._t('Rename') + '">' +
229      header :
230      header + '<br clear="all"/>'
231    ) +
232  '</form>'
233}
234
235function renderPostForm(req, repo, placeholder, rows) {
236  return '<input type="radio" class="tab-radio" id="tab1" name="tab" checked="checked"/>' +
237  '<input type="radio" class="tab-radio" id="tab2" name="tab"/>' +
238  '<div id="tab-links" class="tab-links" style="display:none">' +
239    '<label for="tab1" id="write-tab-link" class="tab1-link">' +
240      req._t('post.Write') + '</label>' +
241    '<label for="tab2" id="preview-tab-link" class="tab2-link">' +
242      req._t('post.Preview') + '</label>' +
243  '</div>' +
244  '<input type="hidden" id="repo-id" value="' + repo.id + '"/>' +
245  '<div id="write-tab" class="tab1">' +
246    '<textarea id="post-text" name="text" class="wide-input"' +
247    ' rows="' + (rows||4) + '" cols="77"' +
248    (placeholder ? ' placeholder="' + placeholder + '"' : '') +
249    '></textarea>' +
250  '</div>' +
251  '<div class="preview-text tab2" id="preview-tab"></div>' +
252  '<script>' + issueCommentScript + '</script>'
253}
254
255function hiddenInputs(values) {
256  return Object.keys(values).map(function (key) {
257    return '<input type="hidden"' +
258      ' name="' + escapeHTML(key) + '"' +
259      ' value="' + escapeHTML(values[key]) + '"/>'
260  }).join('')
261}
262
263function readNext(fn) {
264  var next
265  return function (end, cb) {
266    if (next) return next(end, cb)
267    fn(function (err, _next) {
268      if (err) return cb(err)
269      next = _next
270      next(null, cb)
271    })
272  }
273}
274
275function readOnce(fn) {
276  var ended
277  return function (end, cb) {
278    fn(function (err, data) {
279      if (err || ended) return cb(err || ended)
280      ended = true
281      cb(null, data)
282    })
283  }
284}
285
286function paginate(onFirst, through, onLast, onEmpty) {
287  var ended, last, first = true, queue = []
288  return function (read) {
289    var mappedRead = through(function (end, cb) {
290      if (ended = end) return read(ended, cb)
291      if (queue.length)
292        return cb(null, queue.shift())
293      read(null, function (end, data) {
294        if (end) return cb(end)
295        last = data
296        cb(null, data)
297      })
298    })
299    return function (end, cb) {
300      var tmp
301      if (ended) return cb(ended)
302      if (ended = end) return read(ended, cb)
303      if (first)
304        return read(null, function (end, data) {
305          if (ended = end) {
306            if (end === true && onEmpty)
307              return onEmpty(cb)
308            return cb(ended)
309          }
310          first = false
311          last = data
312          queue.push(data)
313          if (onFirst)
314            onFirst(data, cb)
315          else
316            mappedRead(null, cb)
317        })
318      mappedRead(null, function (end, data) {
319        if (ended = end) {
320          if (end === true && last)
321            return onLast(last, cb)
322        }
323        cb(end, data)
324      })
325    }
326  }
327}
328
329function readObjectString(obj, cb) {
330  pull(obj.read, pull.collect(function (err, bufs) {
331    if (err) return cb(err)
332    cb(null, Buffer.concat(bufs, obj.length).toString('utf8'))
333  }))
334}
335
336function getRepoObjectString(repo, id, cb) {
337  if (!id) return cb(null, '')
338  repo.getObjectFromAny(id, function (err, obj) {
339    if (err) return cb(err)
340    readObjectString(obj, cb)
341  })
342}
343
344function compareMsgs(a, b) {
345  return (a.value.timestamp - b.value.timestamp) || (a.key - b.key)
346}
347
348function pullSort(comparator) {
349  return function (read) {
350    return readNext(function (cb) {
351      pull(read, pull.collect(function (err, items) {
352        if (err) return cb(err)
353        items.sort(comparator)
354        cb(null, pull.values(items))
355      }))
356    })
357  }
358}
359
360function sortMsgs() {
361  return pullSort(compareMsgs)
362}
363
364function pullReverse() {
365  return function (read) {
366    return readNext(function (cb) {
367      pull(read, pull.collect(function (err, items) {
368        cb(err, items && pull.values(items.reverse()))
369      }))
370    })
371  }
372}
373
374function tryDecodeURIComponent(str) {
375  if (!str || (str[0] == '%' && ref.isBlobId(str)))
376    return str
377  try {
378    str = decodeURIComponent(str)
379  } finally {
380    return str
381  }
382}
383
384function getRepoName(about, ownerId, repoId, cb) {
385  about.getName({
386    owner: ownerId,
387    target: repoId,
388    toString: function () {
389      // hack to fit two parameters into asyncmemo
390      return ownerId + '/' + repoId
391    }
392  }, cb)
393}
394
395function getRepoFullName(about, author, repoId, cb) {
396  var done = multicb({ pluck: 1, spread: true })
397  getRepoName(about, author, repoId, done())
398  about.getName(author, done())
399  done(cb)
400}
401
402function addAuthorName(about) {
403  return paramap(function (msg, cb) {
404    var author = msg && msg.value && msg.value.author
405    if (!author) return cb(null, msg)
406    about.getName(author, function (err, authorName) {
407      msg.authorName = authorName
408      cb(err, msg)
409    })
410  }, 8)
411}
412
413function getMention(msg, id) {
414  if (msg.key == id) return msg
415  var mentions = msg.value.content.mentions
416  if (mentions) for (var i = 0; i < mentions.length; i++) {
417    var mention = mentions[i]
418    if (mention.link == id)
419      return mention
420  }
421  return null
422}
423
424var hasOwnProp = Object.prototype.hasOwnProperty
425
426function getContentType(filename) {
427  var ext = getExtension(filename)
428  return contentTypes[ext] || imgMimes[ext] || 'text/plain; charset=utf-8'
429}
430
431var contentTypes = {
432  css: 'text/css'
433}
434
435function readReqForm(req, cb) {
436  pull(
437    toPull(req),
438    pull.collect(function (err, bufs) {
439      if (err) return cb(err)
440      var data
441      try {
442        data = qs.parse(Buffer.concat(bufs).toString('ascii'))
443      } catch(e) {
444        return cb(e)
445      }
446      cb(null, data)
447    })
448  )
449}
450
451var issueCommentScript = '(' + function () {
452  var $ = document.getElementById.bind(document)
453  $('tab-links').style.display = 'block'
454  $('preview-tab-link').onclick = function (e) {
455    with (new XMLHttpRequest()) {
456      open('POST', '', true)
457      onload = function() {
458        $('preview-tab').innerHTML = responseText
459      }
460      send('action=markdown' +
461        '&repo=' + encodeURIComponent($('repo-id').value) +
462        '&text=' + encodeURIComponent($('post-text').value))
463    }
464  }
465}.toString() + ')()'
466
467var msgTypes = {
468  'git-repo': true,
469  'git-update': true,
470  'issue': true,
471  'pull-request': true
472}
473
474var imgMimes = {
475  png: 'image/png',
476  jpeg: 'image/jpeg',
477  jpg: 'image/jpeg',
478  gif: 'image/gif',
479  tif: 'image/tiff',
480  svg: 'image/svg+xml',
481  bmp: 'image/bmp'
482}
483
484module.exports = function (opts, cb) {
485  var ssb, reconnect, myId, getRepo, getVotes, getMsg, issues
486  var about = function (id, cb) { cb(null, {name: id}) }
487  var reqQueue = []
488  var isPublic = opts.public
489  var ssbAppname = opts.appname || 'ssb'
490
491  var addr = parseAddr(opts.listenAddr, {host: 'localhost', port: 7718})
492  http.createServer(onRequest).listen(addr.port, addr.host, onListening)
493
494  var server = {
495    setSSB: function (_ssb, _reconnect) {
496      _ssb.whoami(function (err, feed) {
497        if (err) throw err
498        ssb = _ssb
499        reconnect = _reconnect
500        myId = feed.id
501        about = ssbAbout(ssb, myId)
502        while (reqQueue.length)
503          onRequest.apply(this, reqQueue.shift())
504        getRepo = asyncMemo(function (id, cb) {
505          getMsg(id, function (err, msg) {
506            if (err) return cb(err)
507            ssbGit.getRepo(ssb, {key: id, value: msg}, {live: true}, cb)
508          })
509        })
510        getVotes = ssbVotes(ssb)
511        getMsg = asyncMemo(ssb.get)
512        issues = Issues.init(ssb)
513        pullReqs = PullRequests.init(ssb)
514      })
515    }
516  }
517
518  function onListening() {
519    var host = ~addr.host.indexOf(':') ? '[' + addr.host + ']' : addr.host
520    console.log('Listening on http://' + host + ':' + addr.port + '/')
521    cb(null, server)
522  }
523
524  /* Serving a request */
525
526  function onRequest(req, res) {
527    console.log(req.method, req.url)
528    if (!ssb) return reqQueue.push(arguments)
529    req._u = url.parse(req.url, true)
530    var locale = req._u.query.locale ||
531      (/locale=([^;]*)/.exec(req.headers.cookie) || [])[1]
532    var reqLocales = req.headers['accept-language']
533    i18n.pickCatalog(reqLocales, locale, function (err, t) {
534      if (err) return pull(serveError(req, err, 500), serve(req, res))
535      req._t = t
536      req._locale = t.locale
537      pull(handleRequest(req), serve(req, res))
538    })
539  }
540
541  function serve(req, res) {
542    return pull(
543      pull.filter(function (data) {
544        if (Array.isArray(data)) {
545          res.writeHead.apply(res, data)
546          return false
547        }
548        return true
549      }),
550      toPull(res)
551    )
552  }
553
554  function handleRequest(req) {
555    var path = req._u.pathname.slice(1)
556    var dirs = ref.isLink(path) ? [path] :
557      path.split(/\/+/).map(tryDecodeURIComponent)
558    var dir = dirs[0]
559
560    if (req.method == 'POST') {
561      if (isPublic)
562        return serveBuffer(405, req._t('error.POSTNotAllowed'))
563      return readNext(function (cb) {
564        readReqForm(req, function (err, data) {
565          if (err) return cb(null, serveError(req, err, 400))
566          if (!data) return cb(null, serveError(req,
567            new ParamError(req._t('error.MissingData')), 400))
568
569          switch (data.action) {
570            case 'fork-prompt':
571              return cb(null, serveRedirect(req,
572                encodeLink([data.id, 'fork'])))
573
574            case 'fork':
575              if (!data.id)
576                return cb(null, serveError(req,
577                  new ParamError(req._t('error.MissingId')), 400))
578              return ssbGit.createRepo(ssb, {upstream: data.id},
579                function (err, repo) {
580                  if (err) return cb(null, serveError(req, err))
581                  cb(null, serveRedirect(req, encodeLink(repo.id)))
582                })
583
584            case 'vote':
585              var voteValue = +data.value || 0
586              if (!data.id)
587                return cb(null, serveError(req,
588                  new ParamError(req._t('error.MissingId')), 400))
589              var msg = schemas.vote(data.id, voteValue)
590              return ssb.publish(msg, function (err) {
591                if (err) return cb(null, serveError(req, err))
592                cb(null, serveRedirect(req, req.url))
593              })
594
595          case 'repo-name':
596            if (!data.id)
597              return cb(null, serveError(req,
598                new ParamError(req._t('error.MissingId')), 400))
599            if (!data.name)
600              return cb(null, serveError(req,
601                new ParamError(req._t('error.MissingName')), 400))
602            var msg = schemas.name(data.id, data.name)
603            return ssb.publish(msg, function (err) {
604              if (err) return cb(null, serveError(req, err))
605              cb(null, serveRedirect(req, req.url))
606            })
607
608          case 'issue-title':
609            if (!data.id)
610              return cb(null, serveError(req,
611                new ParamError(req._t('error.MissingId')), 400))
612            if (!data.name)
613              return cb(null, serveError(req,
614                new ParamError(req._t('error.MissingName')), 400))
615            var msg = Issues.schemas.edit(data.id, {title: data.name})
616            return ssb.publish(msg, function (err) {
617              if (err) return cb(null, serveError(req, err))
618              cb(null, serveRedirect(req, req.url))
619            })
620
621          case 'comment':
622            if (!data.id)
623              return cb(null, serveError(req,
624                new ParamError(req._t('error.MissingId')), 400))
625            var msg = schemas.post(data.text, data.id, data.branch || data.id)
626            msg.issue = data.issue
627            msg.repo = data.repo
628            if (data.open != null)
629              Issues.schemas.opens(msg, data.id)
630            if (data.close != null)
631              Issues.schemas.closes(msg, data.id)
632            var mentions = Mentions(data.text)
633            if (mentions.length)
634              msg.mentions = mentions
635            return ssb.publish(msg, function (err) {
636              if (err) return cb(null, serveError(req, err))
637              cb(null, serveRedirect(req, req.url))
638            })
639
640          case 'new-issue':
641            var msg = Issues.schemas.new(dir, data.title, data.text)
642            var mentions = Mentions(data.text)
643            if (mentions.length)
644              msg.mentions = mentions
645            return ssb.publish(msg, function (err, msg) {
646              if (err) return cb(null, serveError(req, err))
647              cb(null, serveRedirect(req, encodeLink(msg.key)))
648            })
649
650          case 'new-pull':
651            var msg = PullRequests.schemas.new(dir, data.branch,
652              data.head_repo, data.head_branch, data.title, data.text)
653            var mentions = Mentions(data.text)
654            if (mentions.length)
655              msg.mentions = mentions
656            return ssb.publish(msg, function (err, msg) {
657              if (err) return cb(null, serveError(req, err))
658              cb(null, serveRedirect(req, encodeLink(msg.key)))
659            })
660
661          case 'markdown':
662            return cb(null, serveMarkdown(data.text, {id: data.repo}))
663
664          default:
665            cb(null, serveBuffer(400, req._t('error.UnknownAction', data)))
666          }
667        })
668      })
669    }
670
671    if (dir == '')
672      return serveIndex(req)
673    else if (dir == 'search')
674      return serveSearch(req)
675    else if (ref.isBlobId(dir))
676      return serveBlob(req, dir)
677    else if (ref.isMsgId(dir))
678      return serveMessage(req, dir, dirs.slice(1))
679    else if (ref.isFeedId(dir))
680      return serveUserPage(req, dir, dirs.slice(1))
681    else if (dir == 'static')
682      return serveFile(req, dirs)
683    else if (dir == 'highlight')
684      return serveFile(req, [hlCssPath].concat(dirs.slice(1)), true)
685    else
686      return serve404(req)
687  }
688
689  function serveFile(req, dirs, outside) {
690    var filename = path.resolve.apply(path, [__dirname].concat(dirs))
691    // prevent escaping base dir
692    if (!outside && filename.indexOf('../') === 0)
693      return serveBuffer(403, req._t("error.403Forbidden"))
694
695    return readNext(function (cb) {
696      fs.stat(filename, function (err, stats) {
697        cb(null, err ?
698          err.code == 'ENOENT' ? serve404(req)
699          : serveBuffer(500, err.message)
700        : 'if-modified-since' in req.headers &&
701          new Date(req.headers['if-modified-since']) >= stats.mtime ?
702          pull.once([304])
703        : stats.isDirectory() ?
704          serveBuffer(403, req._t('error.DirectoryNotListable'))
705        : cat([
706          pull.once([200, {
707            'Content-Type': getContentType(filename),
708            'Content-Length': stats.size,
709            'Last-Modified': stats.mtime.toGMTString()
710          }]),
711          toPull(fs.createReadStream(filename))
712        ]))
713      })
714    })
715  }
716
717  function servePlainError(code, msg) {
718    return pull.values([
719      [code, {
720        'Content-Length': Buffer.byteLength(msg),
721        'Content-Type': 'text/plain; charset=utf-8'
722      }],
723      msg
724    ])
725  }
726
727  function serveBuffer(code, buf, contentType, headers) {
728    headers = headers || {}
729    headers['Content-Type'] = contentType || 'text/plain; charset=utf-8'
730    headers['Content-Length'] = Buffer.byteLength(buf)
731    return pull.values([
732      [code, headers],
733      buf
734    ])
735  }
736
737  function serve404(req) {
738    return serveBuffer(404, req._t("error.404NotFound"))
739  }
740
741  function serveRedirect(req, path) {
742    return serveBuffer(302,
743      '<!doctype><html><head>' +
744      '<title>' + req._t('Redirect') + '</title></head><body>' +
745      '<p><a href="' + escapeHTML(path) + '">' +
746        req._t('Continue') + '</a></p>' +
747      '</body></html>', 'text/html; charset=utf-8', {Location: path})
748  }
749
750  function serveMarkdown(text, repo) {
751    return serveBuffer(200, markdown(text, repo), 'text/html; charset=utf-8')
752  }
753
754  function renderError(err, tag) {
755    tag = tag || 'h3'
756    return '<' + tag + '>' + err.name + '</' + tag + '>' +
757      '<pre>' + escapeHTML(err.stack) + '</pre>'
758  }
759
760  function renderTry(read) {
761    var ended
762    return function (end, cb) {
763      if (ended) return cb(ended)
764      read(end, function (err, data) {
765        if (err === true)
766          cb(true)
767        else if (err) {
768          ended = true
769          cb(null, renderError(err, 'h3'))
770        } else
771          cb(null, data)
772      })
773    }
774  }
775
776  function serveTemplate(req, title, code, read) {
777    if (read === undefined) return serveTemplate.bind(this, req, title, code)
778    var q = req._u.query.q && escapeHTML(req._u.query.q) || ''
779    var app = 'git ssb'
780    if (req._t) app = req._t(app)
781    return cat([
782      pull.values([
783        [code || 200, {
784          'Content-Type': 'text/html'
785        }],
786        '<!doctype html><html><head><meta charset=utf-8>',
787        '<title>' + (title || app) + '</title>',
788        '<link rel=stylesheet href="/static/styles.css"/>',
789        '<link rel=stylesheet href="/highlight/github.css"/>',
790        '</head>\n',
791        '<body>',
792        '<header><form action="/search" method="get">' +
793        '<h1><a href="/">' + app + '' +
794          (ssbAppname != 'ssb' ? ' <sub>' + ssbAppname + '</sub>' : '') +
795        '</a> ' +
796        '<input class="search-bar" name="q" size="60"' +
797          ' placeholder="🔍" value="' + q + '" />' +
798        '</h1>',
799        '</form></header>',
800        '<article>']),
801      renderTry(read),
802      pull.once('<hr/></article></body></html>')
803    ])
804  }
805
806  function serveError(req, err, status) {
807    if (err.message == 'stream is closed')
808      reconnect()
809    return pull(
810      pull.once(renderError(err, 'h2')),
811      serveTemplate(req, err.name, status || 500)
812    )
813  }
814
815  function renderObjectData(obj, filename, repo, rev, path) {
816    var ext = getExtension(filename)
817    return readOnce(function (cb) {
818      readObjectString(obj, function (err, buf) {
819        buf = buf.toString('utf8')
820        if (err) return cb(err)
821        cb(null, (ext == 'md' || ext == 'markdown')
822          ? markdown(buf, {repo: repo, rev: rev, path: path})
823          : renderCodeTable(buf, ext))
824      })
825    })
826  }
827
828  function renderCodeTable(buf, ext) {
829    return '<pre><table class="code">' +
830      highlight(buf, ext).split('\n').map(function (line, i) {
831        i++
832        return '<tr id="L' + i + '">' +
833          '<td class="code-linenum">' + '<a href="#L' + i + '">' + i + '</td>' +
834          '<td class="code-text">' + line + '</td></tr>'
835      }).join('') +
836      '</table></pre>'
837  }
838
839  /* Feed */
840
841  function renderFeed(req, feedId, filter) {
842    var query = req._u.query
843    var opts = {
844      reverse: !query.forwards,
845      lt: query.lt && +query.lt || Date.now(),
846      gt: query.gt && +query.gt,
847      id: feedId
848    }
849    return pull(
850      feedId ? ssb.createUserStream(opts) : ssb.createFeedStream(opts),
851      pull.filter(function (msg) {
852        return msg.value.content.type in msgTypes
853      }),
854      typeof filter == 'function' ? filter(opts) : filter,
855      pull.take(20),
856      addAuthorName(about),
857      query.forwards && pullReverse(),
858      paginate(
859        function (first, cb) {
860          if (!query.lt && !query.gt) return cb(null, '')
861          var gt = feedId ? first.value.sequence : first.value.timestamp + 1
862          query.gt = gt
863          query.forwards = 1
864          delete query.lt
865          cb(null, '<a href="?' + qs.stringify(query) + '">' +
866            req._t('Newer') + '</a>')
867        },
868        paramap(renderFeedItem.bind(null, req), 8),
869        function (last, cb) {
870          query.lt = feedId ? last.value.sequence : last.value.timestamp - 1
871          delete query.gt
872          delete query.forwards
873          cb(null, '<a href="?' + qs.stringify(query) + '">' +
874            req._t('Older') + '</a>')
875        },
876        function (cb) {
877          if (query.forwards) {
878            delete query.gt
879            delete query.forwards
880            query.lt = opts.gt + 1
881          } else {
882            delete query.lt
883            query.gt = opts.lt - 1
884            query.forwards = 1
885          }
886          cb(null, '<a href="?' + qs.stringify(query) + '">' +
887            req._t(query.forwards ? 'Older' : 'Newer') + '</a>')
888        }
889      )
890    )
891  }
892
893  function renderFeedItem(req, msg, cb) {
894    var c = msg.value.content
895    var msgLink = link([msg.key],
896      new Date(msg.value.timestamp).toLocaleString(req._locale))
897    var author = msg.value.author
898    var authorLink = link([msg.value.author], msg.authorName)
899    switch (c.type) {
900      case 'git-repo':
901        var done = multicb({ pluck: 1, spread: true })
902        getRepoName(about, author, msg.key, done())
903        if (c.upstream) {
904          return getMsg(c.upstream, function (err, upstreamMsg) {
905            if (err) return cb(null, serveError(req, err))
906            getRepoName(about, upstreamMsg.author, c.upstream, done())
907            done(function (err, repoName, upstreamName) {
908              cb(null, '<section class="collapse">' + msgLink + '<br>' +
909                req._t('Forked', {
910                  name: authorLink,
911                  upstream: link([c.upstream], upstreamName),
912                  repo: link([msg.key], repoName)
913                }) + '</section>')
914            })
915          })
916        } else {
917          return done(function (err, repoName) {
918            if (err) return cb(err)
919            var repoLink = link([msg.key], repoName)
920            cb(null, '<section class="collapse">' + msgLink + '<br>' +
921              req._t('CreatedRepo', {
922                name: authorLink,
923                repo: repoLink
924              }) + '</section>')
925          })
926        }
927      case 'git-update':
928        return getRepoName(about, author, c.repo, function (err, repoName) {
929          if (err) return cb(err)
930          var repoLink = link([c.repo], repoName)
931          cb(null, '<section class="collapse">' + msgLink + '<br>' +
932            req._t('Pushed', {
933              name: authorLink,
934              repo: repoLink
935            }) + '</section>')
936        })
937      case 'issue':
938      case 'pull-request':
939        var issueLink = link([msg.key], c.title)
940        return getMsg(c.project, function (err, projectMsg) {
941          if (err) return cb(null, serveRepoNotFound(req, c.repo, err))
942          getRepoName(about, projectMsg.author, c.project,
943            function (err, repoName) {
944              if (err) return cb(err)
945              var repoLink = link([c.project], repoName)
946              cb(null, '<section class="collapse">' + msgLink + '<br>' +
947                req._t('OpenedIssue', {
948                  name: authorLink,
949                  type: req._t(c.type == 'pull-request' ?
950                    'pull request' : 'issue.'),
951                  title: issueLink,
952                  project: repoLink
953                }) + '</section>')
954            })
955        })
956      case 'about':
957        return cb(null, '<section class="collapse">' + msgLink + '<br>' +
958          req._t('Named', {
959            author: authorLink,
960            target: '<tt>' + escapeHTML(c.about) + '</tt>',
961            name: link([c.about], c.name)
962          }) + '</section>')
963      default:
964        return cb(null, json(msg))
965    }
966  }
967
968  /* Index */
969
970  function serveIndex(req) {
971    return serveTemplate(req)(renderFeed(req))
972  }
973
974  function serveUserPage(req, feedId, dirs) {
975    switch (dirs[0]) {
976      case undefined:
977      case '':
978      case 'activity':
979        return serveUserActivity(req, feedId)
980      case 'repos':
981        return serveUserRepos(req, feedId)
982    }
983  }
984
985  function renderUserPage(req, feedId, page, body) {
986    return serveTemplate(req, feedId)(cat([
987      readOnce(function (cb) {
988        about.getName(feedId, function (err, name) {
989          cb(null, '<h2>' + link([feedId], name) +
990          '<code class="user-id">' + feedId + '</code></h2>' +
991          nav([
992            [[feedId], req._t('Activity'), 'activity'],
993            [[feedId, 'repos'], req._t('Repos'), 'repos']
994          ], page))
995        })
996      }),
997      body,
998    ]))
999  }
1000
1001  function serveUserActivity(req, feedId) {
1002    return renderUserPage(req, feedId, 'activity', renderFeed(req, feedId))
1003  }
1004
1005  function serveUserRepos(req, feedId) {
1006    return renderUserPage(req, feedId, 'repos', pull(
1007      cat([
1008        ssb.messagesByType({
1009          type: 'git-update',
1010          reverse: true
1011        }),
1012        ssb.messagesByType({
1013          type: 'git-repo',
1014          reverse: true
1015        })
1016      ]),
1017      pull.filter(function (msg) {
1018        return msg.value.author == feedId
1019      }),
1020      pull.unique(function (msg) {
1021        return msg.value.content.repo || msg.key
1022      }),
1023      pull.take(20),
1024      paramap(function (msg, cb) {
1025        var repoId = msg.value.content.repo || msg.key
1026        var done = multicb({ pluck: 1, spread: true })
1027        getRepoName(about, feedId, repoId, done())
1028        getVotes(repoId, done())
1029        done(function (err, repoName, votes) {
1030          if (err) return cb(err)
1031          cb(null, '<section class="collapse">' +
1032            '<span class="right-bar">' +
1033            '<i>✌</i> ' +
1034            link([repoId, 'digs'], votes.upvotes, true,
1035              ' title="' + req._t('Digs') + '"') +
1036            '</span>' +
1037            '<strong>' + link([repoId], repoName) + '</strong>' +
1038            '<div class="date-info">' +
1039            req._t(msg.value.content.type == 'git-update' ?
1040              'UpdatedOnDate' : 'CreatedOnDate',
1041            {
1042              date: timestamp(msg.value.timestamp, req)
1043            }) + '</div>' +
1044          '</section>')
1045        })
1046      }, 8)
1047    ))
1048  }
1049
1050  /* Message */
1051
1052  function serveMessage(req, id, path) {
1053    return readNext(function (cb) {
1054      ssb.get(id, function (err, msg) {
1055        if (err) return cb(null, serveError(req, err))
1056        var c = msg.content || {}
1057        switch (c.type) {
1058          case 'git-repo':
1059            return getRepo(id, function (err, repo) {
1060              if (err) return cb(null, serveError(req, err))
1061              cb(null, serveRepoPage(req, Repo(repo), path))
1062            })
1063          case 'git-update':
1064            return getRepo(c.repo, function (err, repo) {
1065              if (err) return cb(null, serveRepoNotFound(req, c.repo, err))
1066              cb(null, serveRepoUpdate(req, Repo(repo), id, msg, path))
1067            })
1068          case 'issue':
1069            return getRepo(c.project, function (err, repo) {
1070              if (err) return cb(null, serveRepoNotFound(req, c.project, err))
1071              issues.get(id, function (err, issue) {
1072                if (err) return cb(null, serveError(req, err))
1073                cb(null, serveRepoIssue(req, Repo(repo), issue, path))
1074              })
1075            })
1076          case 'pull-request':
1077            return getRepo(c.repo, function (err, repo) {
1078              if (err) return cb(null, serveRepoNotFound(req, c.project, err))
1079              pullReqs.get(id, function (err, pr) {
1080                if (err) return cb(null, serveError(req, err))
1081                cb(null, serveRepoPullReq(req, Repo(repo), pr, path))
1082              })
1083            })
1084          case 'issue-edit':
1085            if (ref.isMsgId(c.issue)) {
1086              return pullReqs.get(c.issue, function (err, issue) {
1087                if (err) return cb(err)
1088                var serve = issue.msg.value.content.type == 'pull-request' ?
1089                  serveRepoPullReq : serveRepoIssue
1090                getRepo(issue.project, function (err, repo) {
1091                  if (err) {
1092                    if (!repo) return cb(null,
1093                      serveRepoNotFound(req, c.repo, err))
1094                    return cb(null, serveError(req, err))
1095                  }
1096                  cb(null, serve(req, Repo(repo), issue, path, id))
1097                })
1098              })
1099            }
1100            // fallthrough
1101          case 'post':
1102            if (ref.isMsgId(c.issue) && ref.isMsgId(c.repo)) {
1103              // comment on an issue
1104              var done = multicb({ pluck: 1, spread: true })
1105              getRepo(c.repo, done())
1106              pullReqs.get(c.issue, done())
1107              return done(function (err, repo, issue) {
1108                if (err) {
1109                  if (!repo) return cb(null,
1110                    serveRepoNotFound(req, c.repo, err))
1111                  return cb(null, serveError(req, err))
1112                }
1113                var serve = issue.msg.value.content.type == 'pull-request' ?
1114                  serveRepoPullReq : serveRepoIssue
1115                cb(null, serve(req, Repo(repo), issue, path, id))
1116              })
1117            } else if (ref.isMsgId(c.root)) {
1118              // comment on issue from patchwork?
1119              return getMsg(c.root, function (err, root) {
1120                if (err) return cb(null, serveError(req, err))
1121                var repoId = root.content.repo || root.content.project
1122                if (!ref.isMsgId(repoId))
1123                  return cb(null, serveGenericMessage(req, id, msg, path))
1124                getRepo(repoId, function (err, repo) {
1125                  if (err) return cb(null, serveError(req, err))
1126                  switch (root.content && root.content.type) {
1127                    case 'issue':
1128                      return issues.get(c.root, function (err, issue) {
1129                        if (err) return cb(null, serveError(req, err))
1130                        return cb(null,
1131                          serveRepoIssue(req, Repo(repo), issue, path, id))
1132                      })
1133                    case 'pull-request':
1134                      pullReqs.get(c.root, function (err, pr) {
1135                        if (err) return cb(null, serveError(req, err))
1136                        return cb(null,
1137                          serveRepoPullReq(req, Repo(repo), pr, path, id))
1138                      })
1139                  }
1140                })
1141              })
1142            }
1143            // fallthrough
1144          default:
1145            if (ref.isMsgId(c.repo))
1146              return getRepo(c.repo, function (err, repo) {
1147                if (err) return cb(null, serveRepoNotFound(req, c.repo, err))
1148                cb(null, serveRepoSomething(req, Repo(repo), id, msg, path))
1149              })
1150            else
1151              return cb(null, serveGenericMessage(req, id, msg, path))
1152        }
1153      })
1154    })
1155  }
1156
1157  function serveGenericMessage(req, id, msg, path) {
1158    return serveTemplate(req, id)(pull.once(
1159      '<section><h2>' + link([id]) + '</h2>' +
1160      json(msg) +
1161      '</section>'))
1162  }
1163
1164  /* Repo */
1165
1166  function serveRepoPage(req, repo, path) {
1167    var defaultBranch = 'master'
1168    var query = req._u.query
1169
1170    if (query.rev != null) {
1171      // Allow navigating revs using GET query param.
1172      // Replace the branch in the path with the rev query value
1173      path[0] = path[0] || 'tree'
1174      path[1] = query.rev
1175      req._u.pathname = encodeLink([repo.id].concat(path))
1176      delete req._u.query.rev
1177      delete req._u.search
1178      return serveRedirect(req, url.format(req._u))
1179    }
1180
1181    // get branch
1182    return path[1] ?
1183      serveRepoPage2(req, repo, path) :
1184      readNext(function (cb) {
1185        // TODO: handle this in pull-git-repo or ssb-git-repo
1186        repo.getSymRef('HEAD', true, function (err, ref) {
1187          if (err) return cb(err)
1188          repo.resolveRef(ref, function (err, rev) {
1189            path[1] = rev ? ref : null
1190            cb(null, serveRepoPage2(req, repo, path))
1191          })
1192        })
1193      })
1194  }
1195
1196  function serveRepoPage2(req, repo, path) {
1197    var branch = path[1]
1198    var filePath = path.slice(2)
1199    switch (path[0]) {
1200      case undefined:
1201      case '':
1202        return serveRepoTree(req, repo, branch, [])
1203      case 'activity':
1204        return serveRepoActivity(req, repo, branch)
1205      case 'commits':
1206        return serveRepoCommits(req, repo, branch)
1207      case 'commit':
1208        return serveRepoCommit(req, repo, path[1])
1209      case 'tree':
1210        return serveRepoTree(req, repo, branch, filePath)
1211      case 'blob':
1212        return serveRepoBlob(req, repo, branch, filePath)
1213      case 'raw':
1214        return serveRepoRaw(req, repo, branch, filePath)
1215      case 'digs':
1216        return serveRepoDigs(req, repo)
1217      case 'fork':
1218        return serveRepoForkPrompt(req, repo)
1219      case 'forks':
1220        return serveRepoForks(req, repo)
1221      case 'issues':
1222        switch (path[1]) {
1223          case 'new':
1224            if (filePath.length == 0)
1225              return serveRepoNewIssue(req, repo)
1226            break
1227          default:
1228            return serveRepoIssues(req, repo, false)
1229        }
1230      case 'pulls':
1231        return serveRepoIssues(req, repo, true)
1232      case 'compare':
1233        return serveRepoCompare(req, repo)
1234      case 'comparing':
1235        return serveRepoComparing(req, repo)
1236      default:
1237        return serve404(req)
1238    }
1239  }
1240
1241  function serveRepoNotFound(req, id, err) {
1242    return serveTemplate(req, req._t('error.RepoNotFound'), 404)(pull.values([
1243      '<h2>' + req._t('error.RepoNotFound') + '</h2>',
1244      '<p>' + req._t('error.RepoNameNotFound') + '</p>',
1245      '<pre>' + escapeHTML(err.stack) + '</pre>'
1246    ]))
1247  }
1248
1249  function renderRepoPage(req, repo, page, branch, body) {
1250    var gitUrl = 'ssb://' + repo.id
1251    var gitLink = '<input class="clone-url" readonly="readonly" ' +
1252      'value="' + gitUrl + '" size="45" ' +
1253      'onclick="this.select()"/>'
1254    var digsPath = [repo.id, 'digs']
1255
1256    var done = multicb({ pluck: 1, spread: true })
1257    getRepoName(about, repo.feed, repo.id, done())
1258    about.getName(repo.feed, done())
1259    getVotes(repo.id, done())
1260
1261    if (repo.upstream) {
1262      getRepoName(about, repo.upstream.feed, repo.upstream.id, done())
1263      about.getName(repo.upstream.feed, done())
1264    }
1265
1266    return readNext(function (cb) {
1267      done(function (err, repoName, authorName, votes,
1268          upstreamName, upstreamAuthorName) {
1269        if (err) return cb(null, serveError(req, err))
1270        var upvoted = votes.upvoters[myId] > 0
1271        var upstreamLink = !repo.upstream ? '' :
1272          link([repo.upstream])
1273        cb(null, serveTemplate(req, repo.id)(cat([
1274          pull.once(
1275            '<div class="repo-title">' +
1276            '<form class="right-bar" action="" method="post">' +
1277              '<button class="btn" name="action" value="vote" ' +
1278              (isPublic ? 'disabled="disabled"' : ' type="submit"') + '>' +
1279                '<i>✌</i> ' + req._t(!isPublic && upvoted ? 'Undig' : 'Dig') +
1280                '</button>' +
1281              (isPublic ? '' : '<input type="hidden" name="value" value="' +
1282                  (upvoted ? '0' : '1') + '">' +
1283                '<input type="hidden" name="id" value="' +
1284                  escapeHTML(repo.id) + '">') + ' ' +
1285              '<strong>' + link(digsPath, votes.upvotes) + '</strong> ' +
1286              (isPublic ? '' : '<button class="btn" type="submit" ' +
1287                  ' name="action" value="fork-prompt">' +
1288                '<i>⑂</i> ' + req._t('Fork') +
1289                '</button>') + ' ' +
1290              link([repo.id, 'forks'], '+', false, ' title="' +
1291                req._t('Forks') + '"') +
1292            '</form>' +
1293            renderNameForm(req, !isPublic, repo.id, repoName, 'repo-name',
1294              null, req._t('repo.Rename'),
1295              '<h2 class="bgslash">' + link([repo.feed], authorName) + ' / ' +
1296                link([repo.id], repoName) + '</h2>') +
1297            '</div>' +
1298            (repo.upstream ? '<small class="bgslash">' + req._t('ForkedFrom', {
1299              repo: link([repo.upstream.feed], upstreamAuthorName) + '/' +
1300                link([repo.upstream.id], upstreamName)
1301            }) + '</small>' : '') +
1302            nav([
1303              [[repo.id], req._t('Code'), 'code'],
1304              [[repo.id, 'activity'], req._t('Activity'), 'activity'],
1305              [[repo.id, 'commits', branch||''], req._t('Commits'), 'commits'],
1306              [[repo.id, 'issues'], req._t('Issues'), 'issues'],
1307              [[repo.id, 'pulls'], req._t('PullRequests'), 'pulls']
1308            ], page, gitLink)),
1309          body
1310        ])))
1311      })
1312    })
1313  }
1314
1315  function serveEmptyRepo(req, repo) {
1316    if (repo.feed != myId)
1317      return renderRepoPage(req, repo, 'code', null, pull.once(
1318        '<section>' +
1319        '<h3>' + req._t('EmptyRepo') + '</h3>' +
1320        '</section>'))
1321
1322    var gitUrl = 'ssb://' + repo.id
1323    return renderRepoPage(req, repo, 'code', null, pull.once(
1324      '<section>' +
1325      '<h3>' + req._t('initRepo.GettingStarted') + '</h3>' +
1326      '<h4>' + req._t('initRepo.CreateNew') + '</h4><pre>' +
1327      'touch ' + req._t('initRepo.README') + '.md\n' +
1328      'git init\n' +
1329      'git add ' + req._t('initRepo.README') + '.md\n' +
1330      'git commit -m "' + req._t('initRepo.InitialCommit') + '"\n' +
1331      'git remote add origin ' + gitUrl + '\n' +
1332      'git push -u origin master</pre>\n' +
1333      '<h4>' + req._t('initRepo.PushExisting') + '</h4>\n' +
1334      '<pre>git remote add origin ' + gitUrl + '\n' +
1335      'git push -u origin master</pre>' +
1336      '</section>'))
1337  }
1338
1339  function serveRepoTree(req, repo, rev, path) {
1340    if (!rev) return serveEmptyRepo(req, repo)
1341    var type = repo.isCommitHash(rev) ? 'Tree' : 'Branch'
1342    return renderRepoPage(req, repo, 'code', rev, cat([
1343      pull.once('<section><form action="" method="get">' +
1344        '<h3>' + req._t(type) + ': ' + rev + ' '),
1345      revMenu(req, repo, rev),
1346      pull.once('</h3></form>'),
1347      type == 'Branch' && renderRepoLatest(req, repo, rev),
1348      pull.once('</section><section>'),
1349      renderRepoTree(req, repo, rev, path),
1350      pull.once('</section>'),
1351      renderRepoReadme(req, repo, rev, path)
1352    ]))
1353  }
1354
1355  /* Search */
1356
1357  function serveSearch(req) {
1358    var q = String(req._u.query.q || '')
1359    if (!q) return serveIndex(req)
1360    var qId = q.replace(/^ssb:\/*/, '')
1361    if (ref.type(qId))
1362      return serveRedirect(req, encodeURIComponent(qId))
1363
1364    var search = new RegExp(q, 'i')
1365    return serveTemplate(req, req._t('Search') + ' &middot; ' + q, 200)(
1366      renderFeed(req, null, function (opts) {
1367        opts.type == 'about'
1368        return function (read) {
1369          return pull(
1370            many([
1371              getRepoNames(opts),
1372              read
1373            ]),
1374            pull.filter(function (msg) {
1375              var c = msg.value.content
1376              return (
1377                search.test(msg.key) ||
1378                c.text && search.test(c.text) ||
1379                c.name && search.test(c.name) ||
1380                c.title && search.test(c.title))
1381            })
1382          )
1383        }
1384      })
1385    )
1386  }
1387
1388  function getRepoNames(opts) {
1389    return pull(
1390      ssb.messagesByType({
1391        type: 'about',
1392        reverse: opts.reverse,
1393        lt: opts.lt,
1394        gt: opts.gt,
1395      }),
1396      pull.filter(function (msg) {
1397        return '%' == String(msg.value.content.about)[0]
1398          && msg.value.content.name
1399      })
1400    )
1401  }
1402
1403  /* Repo activity */
1404
1405  function serveRepoActivity(req, repo, branch) {
1406    return renderRepoPage(req, repo, 'activity', branch, cat([
1407      pull.once('<h3>' + req._t('Activity') + '</h3>'),
1408      pull(
1409        ssb.links({
1410          dest: repo.id,
1411          source: repo.feed,
1412          rel: 'repo',
1413          values: true,
1414          reverse: true
1415        }),
1416        pull.map(renderRepoUpdate.bind(this, req, repo))
1417      ),
1418      readOnce(function (cb) {
1419        var done = multicb({ pluck: 1, spread: true })
1420        about.getName(repo.feed, done())
1421        getMsg(repo.id, done())
1422        done(function (err, authorName, msg) {
1423          if (err) return cb(err)
1424          renderFeedItem(req, {
1425            key: repo.id,
1426            value: msg,
1427            authorName: authorName
1428          }, cb)
1429        })
1430      })
1431    ]))
1432  }
1433
1434  function renderRepoUpdate(req, repo, msg, full) {
1435    var c = msg.value.content
1436
1437    if (c.type != 'git-update') {
1438      return ''
1439      // return renderFeedItem(msg, cb)
1440      // TODO: render post, issue, pull-request
1441    }
1442
1443    var refs = c.refs ? Object.keys(c.refs).map(function (ref) {
1444      return {name: ref, value: c.refs[ref]}
1445    }) : []
1446    var numObjects = c.objects ? Object.keys(c.objects).length : 0
1447
1448    var dateStr = new Date(msg.value.timestamp).toLocaleString(req._locale)
1449    return '<section class="collapse">' +
1450      link([msg.key], dateStr) + '<br>' +
1451      (numObjects ? req._t('PushedObjects', numObjects) + '<br/>': '') +
1452      refs.map(function (update) {
1453        var name = escapeHTML(update.name)
1454        if (!update.value) {
1455          return req._t('DeletedBranch', {branch: name})
1456        } else {
1457          var commitLink = link([repo.id, 'commit', update.value])
1458          return name + ' &rarr; <tt>' + commitLink + '</tt>'
1459        }
1460      }).join('<br>') +
1461      '</section>'
1462  }
1463
1464  /* Repo commits */
1465
1466  function serveRepoCommits(req, repo, branch) {
1467    var query = req._u.query
1468    return renderRepoPage(req, repo, 'commits', branch, cat([
1469      pull.once('<h3>' + req._t('Commits') + '</h3>'),
1470      pull(
1471        repo.readLog(query.start || branch),
1472        pull.take(20),
1473        paramap(repo.getCommitParsed.bind(repo), 8),
1474        paginate(
1475          !query.start ? '' : function (first, cb) {
1476            cb(null, '&hellip;')
1477          },
1478          pull.map(renderCommit.bind(this, req, repo)),
1479          function (commit, cb) {
1480            cb(null, commit.parents && commit.parents[0] ?
1481              '<a href="?start=' + commit.id + '">' +
1482                req._t('Older') + '</a>' : '')
1483          }
1484        )
1485      )
1486    ]))
1487  }
1488
1489  function renderCommit(req, repo, commit) {
1490    var commitPath = [repo.id, 'commit', commit.id]
1491    var treePath = [repo.id, 'tree', commit.id]
1492    return '<section class="collapse">' +
1493      '<strong>' + link(commitPath, commit.title) + '</strong><br>' +
1494      '<tt>' + commit.id + '</tt> ' +
1495        link(treePath, req._t('Tree')) + '<br>' +
1496      escapeHTML(commit.author.name) + ' &middot; ' +
1497      commit.author.date.toLocaleString(req._locale) +
1498      (commit.separateAuthor ? '<br>' + req._t('CommittedOn', {
1499        name: escapeHTML(commit.committer.name),
1500        date: commit.committer.date.toLocaleString(req._locale)
1501      }) : '') +
1502      '</section>'
1503  }
1504
1505  /* Branch menu */
1506
1507  function formatRevOptions(currentName) {
1508    return function (name) {
1509      var htmlName = escapeHTML(name)
1510      return '<option value="' + htmlName + '"' +
1511        (name == currentName ? ' selected="selected"' : '') +
1512        '>' + htmlName + '</option>'
1513    }
1514  }
1515
1516  function formatRevType(req, type) {
1517    return (
1518      type == 'heads' ? req._t('Branches') :
1519      type == 'tags' ? req._t('Tags') :
1520      type)
1521  }
1522
1523  function revMenu(req, repo, currentName) {
1524    return readOnce(function (cb) {
1525      repo.getRefNames(function (err, refs) {
1526        if (err) return cb(err)
1527        cb(null, '<select name="rev" onchange="this.form.submit()">' +
1528          Object.keys(refs).map(function (group) {
1529            return '<optgroup label="' + formatRevType(req, group) + '">' +
1530              refs[group].map(formatRevOptions(currentName)).join('') +
1531              '</optgroup>'
1532          }).join('') +
1533          '</select><noscript> ' +
1534          '<input type="submit" value="' + req._t('Go') + '"/></noscript>')
1535      })
1536    })
1537  }
1538
1539  function branchMenu(repo, name, currentName) {
1540    return cat([
1541      pull.once('<select name="' + name + '">'),
1542      pull(
1543        repo.refs(),
1544        pull.map(function (ref) {
1545          var m = ref.name.match(/^refs\/([^\/]*)\/(.*)$/) || [,, ref.name]
1546          return m[1] == 'heads' && m[2]
1547        }),
1548        pull.filter(Boolean),
1549        pullSort(),
1550        pull.map(formatRevOptions(currentName))
1551      ),
1552      pull.once('</select>')
1553    ])
1554  }
1555
1556  /* Repo tree */
1557
1558  function renderRepoLatest(req, repo, rev) {
1559    return readOnce(function (cb) {
1560      repo.getCommitParsed(rev, function (err, commit) {
1561        if (err) return cb(err)
1562        var commitPath = [repo.id, 'commit', commit.id]
1563        cb(null,
1564          req._t('Latest') + ': ' +
1565          '<strong>' + link(commitPath, commit.title) + '</strong><br/>' +
1566          '<tt>' + commit.id + '</tt><br/> ' +
1567          req._t('CommittedOn', {
1568            name: escapeHTML(commit.committer.name),
1569            date: commit.committer.date.toLocaleString(req._locale)
1570          }) +
1571          (commit.separateAuthor ? '<br/>' + req._t('AuthoredOn', {
1572            name: escapeHTML(commit.author.name),
1573            date: commit.author.date.toLocaleString(req._locale)
1574          }) : ''))
1575      })
1576    })
1577  }
1578
1579  // breadcrumbs
1580  function linkPath(basePath, path) {
1581    path = path.slice()
1582    var last = path.pop()
1583    return path.map(function (dir, i) {
1584      return link(basePath.concat(path.slice(0, i+1)), dir)
1585    }).concat(last).join(' / ')
1586  }
1587
1588  function renderRepoTree(req, repo, rev, path) {
1589    var pathLinks = path.length === 0 ? '' :
1590      ': ' + linkPath([repo.id, 'tree'], [rev].concat(path))
1591    return cat([
1592      pull.once('<h3>' + req._t('Files') + pathLinks + '</h3>'),
1593      pull(
1594        repo.readDir(rev, path),
1595        pull.map(function (file) {
1596          var type = (file.mode === 040000) ? 'tree' :
1597            (file.mode === 0160000) ? 'commit' : 'blob'
1598          if (type == 'commit')
1599            return [
1600              '<span title="' + req._t('gitCommitLink') + '">🖈</span>',
1601              '<span title="' + escapeHTML(file.id) + '">' +
1602                escapeHTML(file.name) + '</span>']
1603          var filePath = [repo.id, type, rev].concat(path, file.name)
1604          return ['<i>' + (type == 'tree' ? '📁' : '📄') + '</i>',
1605            link(filePath, file.name)]
1606        }),
1607        table('class="files"')
1608      )
1609    ])
1610  }
1611
1612  /* Repo readme */
1613
1614  function renderRepoReadme(req, repo, branch, path) {
1615    return readNext(function (cb) {
1616      pull(
1617        repo.readDir(branch, path),
1618        pull.filter(function (file) {
1619          return /readme(\.|$)/i.test(file.name)
1620        }),
1621        pull.take(1),
1622        pull.collect(function (err, files) {
1623          if (err) return cb(null, pull.empty())
1624          var file = files[0]
1625          if (!file)
1626            return cb(null, pull.once(path.length ? '' :
1627              '<p>' + req._t('NoReadme') + '</p>'))
1628          repo.getObjectFromAny(file.id, function (err, obj) {
1629            if (err) return cb(err)
1630            cb(null, cat([
1631              pull.once('<section><h4><a name="readme">' +
1632                escapeHTML(file.name) + '</a></h4><hr/>'),
1633              renderObjectData(obj, file.name, repo, branch, path),
1634              pull.once('</section>')
1635            ]))
1636          })
1637        })
1638      )
1639    })
1640  }
1641
1642  /* Repo commit */
1643
1644  function serveRepoCommit(req, repo, rev) {
1645    return renderRepoPage(req, repo, null, rev, cat([
1646      readNext(function (cb) {
1647        repo.getCommitParsed(rev, function (err, commit) {
1648          if (err) return cb(err)
1649          var commitPath = [repo.id, 'commit', commit.id]
1650          var treePath = [repo.id, 'tree', commit.id]
1651          cb(null, cat([pull.once(
1652            '<h3>' + link(commitPath,
1653              req._t('CommitRev', {rev: rev})) + '</h3>' +
1654            '<section class="collapse">' +
1655            '<div class="right-bar">' +
1656              link(treePath, req._t('BrowseFiles')) +
1657            '</div>' +
1658            '<h4>' + linkify(escapeHTML(commit.title)) + '</h4>' +
1659            (commit.body ? linkify(pre(commit.body)) : '') +
1660            (commit.separateAuthor ? req._t('AuthoredOn', {
1661              name: escapeHTML(commit.author.name),
1662              date: commit.author.date.toLocaleString(req._locale)
1663            }) + '<br/>' : '') +
1664            req._t('CommittedOn', {
1665              name: escapeHTML(commit.committer.name),
1666              date: commit.committer.date.toLocaleString(req._locale)
1667            }) + '<br/>' +
1668            commit.parents.map(function (id) {
1669              return req._t('Parent') + ': ' +
1670                link([repo.id, 'commit', id], id)
1671            }).join('<br>') +
1672            '</section>' +
1673            '<section><h3>' + req._t('FilesChanged') + '</h3>'),
1674            // TODO: show diff from all parents (merge commits)
1675            renderDiffStat(req, [repo, repo], [commit.parents[0], commit.id]),
1676            pull.once('</section>')
1677          ]))
1678        })
1679      })
1680    ]))
1681  }
1682
1683  /* Diff stat */
1684
1685  function renderDiffStat(req, repos, treeIds) {
1686    if (treeIds.length == 0) treeIds = [null]
1687    var id = treeIds[0]
1688    var lastI = treeIds.length - 1
1689    var oldTree = treeIds[0]
1690    var changedFiles = []
1691    return cat([
1692      pull(
1693        Repo.diffTrees(repos, treeIds, true),
1694        pull.map(function (item) {
1695          var filename = escapeHTML(item.filename = item.path.join('/'))
1696          var oldId = item.id && item.id[0]
1697          var newId = item.id && item.id[lastI]
1698          var oldMode = item.mode && item.mode[0]
1699          var newMode = item.mode && item.mode[lastI]
1700          var action =
1701            !oldId && newId ? req._t('action.added') :
1702            oldId && !newId ? req._t('action.deleted') :
1703            oldMode != newMode ? req._t('action.changedMode', {
1704              old: oldMode.toString(8),
1705              new: newMode.toString(8)
1706            }) : req._t('changed')
1707          if (item.id)
1708            changedFiles.push(item)
1709          var blobsPath = item.id[1]
1710            ? [repos[1].id, 'blob', treeIds[1]]
1711            : [repos[0].id, 'blob', treeIds[0]]
1712          var rawsPath = item.id[1]
1713            ? [repos[1].id, 'raw', treeIds[1]]
1714            : [repos[0].id, 'raw', treeIds[0]]
1715          item.blobPath = blobsPath.concat(item.path)
1716          item.rawPath = rawsPath.concat(item.path)
1717          var fileHref = item.id ?
1718            '#' + encodeURIComponent(item.path.join('/')) :
1719            encodeLink(item.blobPath)
1720          return ['<a href="' + fileHref + '">' + filename + '</a>', action]
1721        }),
1722        table()
1723      ),
1724      pull(
1725        pull.values(changedFiles),
1726        paramap(function (item, cb) {
1727          var extension = getExtension(item.filename)
1728          if (extension in imgMimes) {
1729            var filename = escapeHTML(item.filename)
1730            return cb(null,
1731              '<pre><table class="code">' +
1732              '<tr><th id="' + escapeHTML(item.filename) + '">' +
1733                filename + '</th></tr>' +
1734              '<tr><td><img src="' + encodeLink(item.rawPath) + '"' +
1735              ' alt="' + filename + '"/></td></tr>' +
1736              '</table></pre>')
1737          }
1738          var done = multicb({ pluck: 1, spread: true })
1739          getRepoObjectString(repos[0], item.id[0], done())
1740          getRepoObjectString(repos[1], item.id[lastI], done())
1741          done(function (err, strOld, strNew) {
1742            if (err) return cb(err)
1743            cb(null, htmlLineDiff(req, item.filename, item.filename,
1744              strOld, strNew,
1745              encodeLink(item.blobPath)))
1746          })
1747        }, 4)
1748      )
1749    ])
1750  }
1751
1752  function htmlLineDiff(req, filename, anchor, oldStr, newStr, blobHref) {
1753    var diff = JsDiff.structuredPatch('', '', oldStr, newStr)
1754    var groups = diff.hunks.map(function (hunk) {
1755      var oldLine = hunk.oldStart
1756      var newLine = hunk.newStart
1757      var header = '<tr class="diff-hunk-header"><td colspan=2></td><td>' +
1758        '@@ -' + oldLine + ',' + hunk.oldLines + ' ' +
1759        '+' + newLine + ',' + hunk.newLines + ' @@' +
1760        '</td></tr>'
1761      return [header].concat(hunk.lines.map(function (line) {
1762        var s = line[0]
1763        if (s == '\\') return
1764        var html = highlight(line, getExtension(filename))
1765        var trClass = s == '+' ? 'diff-new' : s == '-' ? 'diff-old' : ''
1766        var lineNums = [s == '+' ? '' : oldLine++, s == '-' ? '' : newLine++]
1767        var id = [filename].concat(lineNums).join('-')
1768        return '<tr id="' + escapeHTML(id) + '" class="' + trClass + '">' +
1769          lineNums.map(function (num) {
1770            return '<td class="code-linenum">' +
1771              (num ? '<a href="#' + encodeURIComponent(id) + '">' +
1772                num + '</a>' : '') + '</td>'
1773          }).join('') +
1774          '<td class="code-text">' + html + '</td></tr>'
1775      }))
1776    })
1777    return '<pre><table class="code">' +
1778      '<tr><th colspan=3 id="' + escapeHTML(anchor) + '">' + filename +
1779      '<span class="right-bar">' +
1780        '<a href="' + blobHref + '">' + req._t('View') + '</a> ' +
1781      '</span></th></tr>' +
1782      [].concat.apply([], groups).join('') +
1783      '</table></pre>'
1784  }
1785
1786  /* An unknown message linking to a repo */
1787
1788  function serveRepoSomething(req, repo, id, msg, path) {
1789    return renderRepoPage(req, repo, null, null,
1790      pull.once('<section><h3>' + link([id]) + '</h3>' +
1791        json(msg) + '</section>'))
1792  }
1793
1794  /* Repo update */
1795
1796  function objsArr(objs) {
1797    return Array.isArray(objs) ? objs :
1798      Object.keys(objs).map(function (sha1) {
1799        var obj = Object.create(objs[sha1])
1800        obj.sha1 = sha1
1801        return obj
1802      })
1803  }
1804
1805  function serveRepoUpdate(req, repo, id, msg, path) {
1806    var raw = req._u.query.raw != null
1807
1808    if (raw)
1809      return renderRepoPage(req, repo, 'activity', null, pull.once(
1810        '<a href="?" class="raw-link header-align">' +
1811          req._t('Info') + '</a>' +
1812        '<h3>' + req._t('Update') + '</h3>' +
1813        '<section class="collapse">' +
1814          json({key: id, value: msg}) + '</section>'))
1815
1816    // convert packs to old single-object style
1817    if (msg.content.indexes) {
1818      for (var i = 0; i < msg.content.indexes.length; i++) {
1819        msg.content.packs[i] = {
1820          pack: {link: msg.content.packs[i].link},
1821          idx: msg.content.indexes[i]
1822        }
1823      }
1824    }
1825
1826    return renderRepoPage(req, repo, 'activity', null, cat([
1827      pull.values([
1828        '<a href="?raw" class="raw-link header-align">' +
1829          req._t('Data') + '</a>',
1830        '<h3>' + req._t('Update') + '</h3>',
1831        renderRepoUpdate(req, repo, {key: id, value: msg}, true)
1832      ].concat(msg.content.objects ?
1833        ['<h3>' + req._t('Objects') + '</h3>'].concat(
1834          objsArr(msg.content.objects).map(renderObject.bind(null, req)))
1835      : [],
1836      msg.content.packs ? [
1837        '<h3>' + req._t('Packs') + '</h3>'
1838      ].concat(msg.content.packs.map(renderPack.bind(null, req)))
1839      : [])),
1840      msg.content.packs && cat([
1841        pull.once('<h3>' + req._t('Commits') + '</h3>'),
1842        pull(
1843          pull.values(msg.content.packs),
1844          pull.asyncMap(function (pack, cb) {
1845            var done = multicb({ pluck: 1, spread: true })
1846            getBlob(req, pack.pack.link, done())
1847            getBlob(req, pack.idx.link, done())
1848            done(function (err, readPack, readIdx) {
1849              if (err) return cb(renderError(err))
1850              cb(null, gitPack.decodeWithIndex(repo, readPack, readIdx))
1851            })
1852          }),
1853          pull.flatten(),
1854          pull.asyncMap(function (obj, cb) {
1855            if (obj.type == 'commit')
1856              Repo.getCommitParsed(obj, cb)
1857            else
1858              pull(obj.read, pull.drain(null, cb))
1859          }),
1860          pull.filter(),
1861          pull.map(function (commit) {
1862            return renderCommit(req, repo, commit)
1863          })
1864        )
1865      ])
1866    ]))
1867  }
1868
1869  function renderObject(req, obj) {
1870    return '<section class="collapse">' +
1871      obj.type + ' ' + link([obj.link], obj.sha1) + '<br>' +
1872      req._t('NumBytes', obj.length) +
1873      '</section>'
1874  }
1875
1876  function renderPack(req, info) {
1877    return '<section class="collapse">' +
1878      (info.pack ? req._t('Pack') + ': ' +
1879        link([info.pack.link]) + '<br>' : '') +
1880      (info.idx ? req._t('Index') + ': ' +
1881        link([info.idx.link]) : '') + '</section>'
1882  }
1883
1884  /* Blob */
1885
1886  function serveRepoBlob(req, repo, rev, path) {
1887    return readNext(function (cb) {
1888      repo.getFile(rev, path, function (err, object) {
1889        if (err) return cb(null, serveBlobNotFound(req, repo.id, err))
1890        var type = repo.isCommitHash(rev) ? 'Tree' : 'Branch'
1891        var pathLinks = path.length === 0 ? '' :
1892          ': ' + linkPath([repo.id, 'tree'], [rev].concat(path))
1893        var rawFilePath = [repo.id, 'raw', rev].concat(path)
1894        var dirPath = path.slice(0, path.length-1)
1895        var filename = path[path.length-1]
1896        var extension = getExtension(filename)
1897        cb(null, renderRepoPage(req, repo, 'code', rev, cat([
1898          pull.once('<section><form action="" method="get">' +
1899            '<h3>' + req._t(type) + ': ' + rev + ' '),
1900          revMenu(req, repo, rev),
1901          pull.once('</h3></form>'),
1902          type == 'Branch' && renderRepoLatest(req, repo, rev),
1903          pull.once('</section><section class="collapse">' +
1904            '<h3>' + req._t('Files') + pathLinks + '</h3>' +
1905            '<div>' + object.length + ' bytes' +
1906            '<span class="raw-link">' +
1907              link(rawFilePath, req._t('Raw')) + '</span>' +
1908            '</div></section>' +
1909            '<section>'),
1910          extension in imgMimes
1911          ? pull.once('<img src="' + encodeLink(rawFilePath) +
1912            '" alt="' + escapeHTML(filename) + '" />')
1913          : renderObjectData(object, filename, repo, rev, dirPath),
1914          pull.once('</section>')
1915        ])))
1916      })
1917    })
1918  }
1919
1920  function serveBlobNotFound(req, repoId, err) {
1921    return serveTemplate(req, req._t('error.BlobNotFound'), 404)(pull.once(
1922      '<h2>' + req._t('error.BlobNotFound') + '</h2>' +
1923      '<p>' + req._t('error.BlobNotFoundInRepo', {
1924        repo: link([repoId])
1925      }) + '</p>' +
1926      '<pre>' + escapeHTML(err.stack) + '</pre>'
1927    ))
1928  }
1929
1930  /* Raw blob */
1931
1932  function serveRepoRaw(req, repo, branch, path) {
1933    return readNext(function (cb) {
1934      repo.getFile(branch, path, function (err, object) {
1935        if (err) return cb(null,
1936          serveBuffer(404, req._t('error.BlobNotFound')))
1937        var extension = getExtension(path[path.length-1])
1938        var contentType = imgMimes[extension]
1939        cb(null, pull(object.read, serveRaw(object.length, contentType)))
1940      })
1941    })
1942  }
1943
1944  function serveRaw(length, contentType) {
1945    var headers = {
1946      'Content-Type': contentType || 'text/plain; charset=utf-8',
1947      'Cache-Control': 'max-age=31536000'
1948    }
1949    if (length != null)
1950      headers['Content-Length'] = length
1951    return function (read) {
1952      return cat([pull.once([200, headers]), read])
1953    }
1954  }
1955
1956  function getBlob(req, key, cb) {
1957    ssb.blobs.want(key, function (err, got) {
1958      if (err) cb(err)
1959      else if (!got) cb(new Error(req._t('error.MissingBlob', {key: key})))
1960      else cb(null, ssb.blobs.get(key))
1961    })
1962  }
1963
1964  function serveBlob(req, key) {
1965    return readNext(function (cb) {
1966      getBlob(req, key, function (err, read) {
1967        if (err) cb(null, serveError(req, err))
1968        else if (!read) cb(null, serve404(req))
1969        else cb(null, serveRaw()(read))
1970      })
1971    })
1972  }
1973
1974  /* Digs */
1975
1976  function serveRepoDigs(req, repo) {
1977    return readNext(function (cb) {
1978      getVotes(repo.id, function (err, votes) {
1979        cb(null, renderRepoPage(req, repo, null, null, cat([
1980          pull.once('<section><h3>' + req._t('Digs') + '</h3>' +
1981            '<div>' + req._t('Total') + ': ' + votes.upvotes + '</div>'),
1982          pull(
1983            pull.values(Object.keys(votes.upvoters)),
1984            paramap(function (feedId, cb) {
1985              about.getName(feedId, function (err, name) {
1986                if (err) return cb(err)
1987                cb(null, link([feedId], name))
1988              })
1989            }, 8),
1990            ul()
1991          ),
1992          pull.once('</section>')
1993        ])))
1994      })
1995    })
1996  }
1997
1998  /* Forks */
1999
2000  function getForks(repo, includeSelf) {
2001    return pull(
2002      cat([
2003        includeSelf && readOnce(function (cb) {
2004          getMsg(repo.id, function (err, value) {
2005            cb(err, value && {key: repo.id, value: value})
2006          })
2007        }),
2008        ssb.links({
2009          dest: repo.id,
2010          values: true,
2011          rel: 'upstream'
2012        })
2013      ]),
2014      pull.filter(function (msg) {
2015        return msg.value.content && msg.value.content.type == 'git-repo'
2016      }),
2017      paramap(function (msg, cb) {
2018        getRepoFullName(about, msg.value.author, msg.key,
2019            function (err, repoName, authorName) {
2020          if (err) return cb(err)
2021          cb(null, {
2022            key: msg.key,
2023            value: msg.value,
2024            repoName: repoName,
2025            authorName: authorName
2026          })
2027        })
2028      }, 8)
2029    )
2030  }
2031
2032  function serveRepoForks(req, repo) {
2033    var hasForks
2034    return renderRepoPage(req, repo, null, null, cat([
2035      pull.once('<h3>' + req._t('Forks') + '</h3>'),
2036      pull(
2037        getForks(repo),
2038        pull.map(function (msg) {
2039          hasForks = true
2040          return '<section class="collapse">' +
2041            link([msg.value.author], msg.authorName) + ' / ' +
2042            link([msg.key], msg.repoName) +
2043            '<span class="right-bar">' +
2044            timestamp(msg.value.timestamp, req) +
2045            '</span></section>'
2046        })
2047      ),
2048      readOnce(function (cb) {
2049        cb(null, hasForks ? '' : req._t('NoForks'))
2050      })
2051    ]))
2052  }
2053
2054  function serveRepoForkPrompt(req, repo) {
2055    return renderRepoPage(req, repo, null, null, pull.once(
2056      '<form action="" method="post" onreset="history.back()">' +
2057      '<h3>' + req._t('ForkRepoPrompt') + '</h3>' +
2058      '<p>' + hiddenInputs({ id: repo.id }) +
2059      '<button class="btn open" type="submit" name="action" value="fork">' +
2060        req._t('Fork') +
2061      '</button>' +
2062      ' <button class="btn" type="reset">' +
2063        req._t('Cancel') + '</button>' +
2064      '</p></form>'
2065    ))
2066  }
2067
2068  /* Issues */
2069
2070  function serveRepoIssues(req, repo, isPRs) {
2071    var count = 0
2072    var state = req._u.query.state || 'open'
2073    var newPath = isPRs ? [repo.id, 'compare'] : [repo.id, 'issues', 'new']
2074    return renderRepoPage(req, repo, isPRs ? 'pulls' : 'issues', null, cat([
2075      pull.once(
2076        (isPublic ? '' :
2077          '<form class="right-bar" method="get"' +
2078            ' action="' + encodeLink(newPath) + '">' +
2079            '<button class="btn">&plus; ' +
2080              req._t(isPRs ? 'pullRequest.New' : 'issue.New') +
2081            '</button>' +
2082          '</form>') +
2083        '<h3>' + req._t(isPRs ? 'PullRequests' : 'Issues') + '</h3>' +
2084        nav([
2085          ['?', req._t('issues.Open'), 'open'],
2086          ['?state=closed', req._t('issues.Closed'), 'closed'],
2087          ['?state=all', req._t('issues.All'), 'all']
2088        ], state)),
2089      pull(
2090        (isPRs ? pullReqs : issues).list({
2091          repo: repo.id,
2092          project: repo.id,
2093          open: {open: true, closed: false}[state]
2094        }),
2095        pull.map(function (issue) {
2096          count++
2097          var state = (issue.open ? 'open' : 'closed')
2098          var stateStr = req._t(issue.open ?
2099            'issue.state.Open' : 'issue.state.Closed')
2100          return '<section class="collapse">' +
2101            '<i class="issue-state issue-state-' + state + '"' +
2102              ' title="' + stateStr + '">◼</i> ' +
2103            '<a href="' + encodeLink(issue.id) + '">' +
2104              escapeHTML(issue.title) +
2105              '<span class="right-bar">' +
2106                new Date(issue.created_at).toLocaleString(req._locale) +
2107              '</span>' +
2108            '</a>' +
2109            '</section>'
2110        })
2111      ),
2112      readOnce(function (cb) {
2113        cb(null, count > 0 ? '' :
2114          '<p>' + req._t(isPRs ? 'NoPullRequests' : 'NoIssues') + '</p>')
2115      })
2116    ]))
2117  }
2118
2119  /* New Issue */
2120
2121  function serveRepoNewIssue(req, repo, issueId, path) {
2122    return renderRepoPage(req, repo, 'issues', null, pull.once(
2123      '<h3>' + req._t('issue.New') + '</h3>' +
2124      '<section><form action="" method="post">' +
2125      '<input type="hidden" name="action" value="new-issue">' +
2126      '<p><input class="wide-input" name="title" placeholder="' +
2127        req._t('issue.Title') + '" size="77" /></p>' +
2128      renderPostForm(req, repo, req._t('Description'), 8) +
2129      '<button type="submit" class="btn">' + req._t('Create') + '</button>' +
2130      '</form></section>'))
2131  }
2132
2133  /* Issue */
2134
2135  function serveRepoIssue(req, repo, issue, path, postId) {
2136    var isAuthor = (myId == issue.author) || (myId == repo.feed)
2137    var newestMsg = {key: issue.id, value: {timestamp: issue.created_at}}
2138    return renderRepoPage(req, repo, 'issues', null, cat([
2139      pull.once(
2140        renderNameForm(req, !isPublic, issue.id, issue.title, 'issue-title',
2141          null, req._t('issue.Rename'),
2142          '<h3>' + link([issue.id], issue.title) + '</h3>') +
2143        '<code>' + issue.id + '</code>' +
2144        '<section class="collapse">' +
2145        (issue.open
2146          ? '<strong class="issue-status open">' +
2147            req._t('issue.state.Open') + '</strong>'
2148          : '<strong class="issue-status closed">' +
2149            req._t('issue.state.Closed') + '</strong>')),
2150      readOnce(function (cb) {
2151        about.getName(issue.author, function (err, authorName) {
2152          if (err) return cb(err)
2153          var authorLink = link([issue.author], authorName)
2154          cb(null, req._t('issue.Opened',
2155            {name: authorLink, datetime: timestamp(issue.created_at, req)}))
2156        })
2157      }),
2158      pull.once('<hr/>' + markdown(issue.text, repo) + '</section>'),
2159      // render posts and edits
2160      pull(
2161        ssb.links({
2162          dest: issue.id,
2163          values: true
2164        }),
2165        pull.unique('key'),
2166        addAuthorName(about),
2167        sortMsgs(),
2168        pull.through(function (msg) {
2169          if (msg.value.timestamp > newestMsg.value.timestamp)
2170            newestMsg = msg
2171        }),
2172        pull.map(renderIssueActivityMsg.bind(null, req, repo, issue,
2173          req._t('issue.'), postId))
2174      ),
2175      isPublic ? pull.empty() : readOnce(function (cb) {
2176        cb(null, renderIssueCommentForm(req, issue, repo, newestMsg.key,
2177          isAuthor, req._t('issue.')))
2178      })
2179    ]))
2180  }
2181
2182  function renderIssueActivityMsg(req, repo, issue, type, postId, msg) {
2183    var authorLink = link([msg.value.author], msg.authorName)
2184    var msgHref = encodeLink(msg.key) + '#' + encodeURIComponent(msg.key)
2185    var msgTimeLink = '<a href="' + msgHref + '"' +
2186      ' name="' + escapeHTML(msg.key) + '">' +
2187      new Date(msg.value.timestamp).toLocaleString(req._locale) + '</a>'
2188    var c = msg.value.content
2189    switch (c.type) {
2190      case 'post':
2191        if (c.root == issue.id) {
2192          var changed = issues.isStatusChanged(msg, issue)
2193          return '<section class="collapse">' +
2194            (msg.key == postId ? '<div class="highlight">' : '') +
2195            '<tt class="right-bar item-id">' + msg.key + '</tt> ' +
2196            (changed == null ? authorLink : req._t(
2197              changed ? 'issue.Reopened' : 'issue.Closed',
2198              {name: authorLink, type: type})) +
2199            ' &middot; ' + msgTimeLink +
2200            (msg.key == postId ? '</div>' : '') +
2201            markdown(c.text, repo) +
2202            '</section>'
2203        } else {
2204          var text = c.text || (c.type + ' ' + msg.key)
2205          return '<section class="collapse mention-preview">' +
2206            req._t('issue.MentionedIn', {
2207              name: authorLink,
2208              type: type,
2209              post: '<a href="/' + msg.key + '#' + msg.key + '">' +
2210                String(text).substr(0, 140) + '</a>'
2211            }) + '</section>'
2212        }
2213      case 'issue':
2214      case 'pull-request':
2215        return '<section class="collapse mention-preview">' +
2216          req._t('issue.MentionedIn', {
2217            name: authorLink,
2218            type: type,
2219            post: link([msg.key], String(c.title || msg.key).substr(0, 140))
2220          }) + '</section>'
2221      case 'issue-edit':
2222        return '<section class="collapse">' +
2223          (msg.key == postId ? '<div class="highlight">' : '') +
2224          (c.title == null ? '' : req._t('issue.Renamed', {
2225            name: authorLink,
2226            type: type,
2227            name: '<q>' + escapeHTML(c.title) + '</q>'
2228          })) + ' &middot; ' + msgTimeLink +
2229          (msg.key == postId ? '</div>' : '') +
2230          '</section>'
2231      case 'git-update':
2232        var mention = issues.getMention(msg, issue)
2233        if (mention) {
2234          var commitLink = link([repo.id, 'commit', mention.object],
2235            mention.label || mention.object)
2236          return '<section class="collapse">' +
2237            req._t(mention.open ? 'issue.Reopened' : 'issue.Closed', {
2238              name: authorLink,
2239              type: type
2240            }) + ' &middot; ' + msgTimeLink + '<br/>' +
2241            commitLink +
2242            '</section>'
2243        } else if ((mention = getMention(msg, issue.id))) {
2244          var commitLink = link(mention.object ?
2245            [repo.id, 'commit', mention.object] : [msg.key],
2246            mention.label || mention.object || msg.key)
2247          return '<section class="collapse">' +
2248            req._t('issue.Mentioned', {
2249              name: authorLink,
2250              type: type
2251            }) + ' &middot; ' + msgTimeLink + '<br/>' +
2252            commitLink +
2253            '</section>'
2254        } else {
2255          // fallthrough
2256        }
2257
2258      default:
2259        return '<section class="collapse">' +
2260          authorLink +
2261          ' &middot; ' + msgTimeLink +
2262          json(c) +
2263          '</section>'
2264    }
2265  }
2266
2267  function renderIssueCommentForm(req, issue, repo, branch, isAuthor, type) {
2268    return '<section><form action="" method="post">' +
2269      '<input type="hidden" name="action" value="comment">' +
2270      '<input type="hidden" name="id" value="' + issue.id + '">' +
2271      '<input type="hidden" name="issue" value="' + issue.id + '">' +
2272      '<input type="hidden" name="repo" value="' + repo.id + '">' +
2273      '<input type="hidden" name="branch" value="' + branch + '">' +
2274      renderPostForm(req, repo) +
2275      '<input type="submit" class="btn open" value="' +
2276        req._t('issue.Comment') + '" />' +
2277      (isAuthor ?
2278        '<input type="submit" class="btn"' +
2279        ' name="' + (issue.open ? 'close' : 'open') + '"' +
2280        ' value="' + req._t(
2281          issue.open ? 'issue.Close' : 'issue.Reopen', {type: type}
2282        ) + '"/>' : '') +
2283      '</form></section>'
2284  }
2285
2286  /* Pull Request */
2287
2288  function serveRepoPullReq(req, repo, pr, path, postId) {
2289    var headRepo, authorLink
2290    var page = path[0] || 'activity'
2291    return renderRepoPage(req, repo, 'pulls', null, cat([
2292      pull.once('<div class="pull-request">' +
2293        renderNameForm(req, !isPublic, pr.id, pr.title, 'issue-title', null,
2294          req._t('pullRequest.Rename'),
2295          '<h3>' + link([pr.id], pr.title) + '</h3>') +
2296        '<code>' + pr.id + '</code>'),
2297      readOnce(function (cb) {
2298        var done = multicb({ pluck: 1, spread: true })
2299        var gotHeadRepo = done()
2300        about.getName(pr.author, done())
2301        var sameRepo = (pr.headRepo == pr.baseRepo)
2302        getRepo(pr.headRepo, function (err, headRepo) {
2303          if (err) return cb(err)
2304          getRepoName(about, headRepo.feed, headRepo.id, done())
2305          about.getName(headRepo.feed, done())
2306          gotHeadRepo(null, Repo(headRepo))
2307        })
2308
2309        done(function (err, _headRepo, issueAuthorName,
2310            headRepoName, headRepoAuthorName) {
2311          if (err) return cb(err)
2312          headRepo = _headRepo
2313          authorLink = link([pr.author], issueAuthorName)
2314          var repoLink = link([pr.headRepo], headRepoName)
2315          var headRepoAuthorLink = link([headRepo.feed], headRepoAuthorName)
2316          var headRepoLink = link([headRepo.id], headRepoName)
2317          var headBranchLink = link([headRepo.id, 'tree', pr.headBranch])
2318          var baseBranchLink = link([repo.id, 'tree', pr.baseBranch])
2319          cb(null, '<section class="collapse">' +
2320            '<strong class="issue-status ' +
2321            (pr.open ? 'open' : 'closed') + '">' +
2322            req._t(pr.open ? 'issue.state.Open' : 'issue.state.Closed') +
2323            '</strong> ' +
2324            req._t('pullRequest.WantToMerge', {
2325              name: authorLink,
2326              base: '<code>' + baseBranchLink + '</code>',
2327              head: (sameRepo ?
2328                '<code>' + headBranchLink + '</code>' :
2329                '<code class="bgslash">' +
2330                  headRepoAuthorLink + ' / ' +
2331                  headRepoLink + ' / ' +
2332                  headBranchLink + '</code>')
2333            }) + '</section>')
2334        })
2335      }),
2336      pull.once(
2337        nav([
2338          [[pr.id], req._t('Discussion'), 'activity'],
2339          [[pr.id, 'commits'], req._t('Commits'), 'commits'],
2340          [[pr.id, 'files'], req._t('Files'), 'files']
2341        ], page)),
2342      readNext(function (cb) {
2343        if (page == 'commits')
2344          renderPullReqCommits(req, pr, repo, headRepo, cb)
2345        else if (page == 'files')
2346          renderPullReqFiles(req, pr, repo, headRepo, cb)
2347        else cb(null,
2348          renderPullReqActivity(req, pr, repo, headRepo, authorLink, postId))
2349      })
2350    ]))
2351  }
2352
2353  function renderPullReqCommits(req, pr, baseRepo, headRepo, cb) {
2354    pullReqs.getRevs(pr.id, function (err, revs) {
2355      if (err) return cb(null, renderError(err))
2356      cb(null, cat([
2357        pull.once('<section>'),
2358        renderCommitLog(req, baseRepo, revs.base, headRepo, revs.head),
2359        pull.once('</section>')
2360      ]))
2361    })
2362  }
2363
2364  function renderPullReqFiles(req, pr, baseRepo, headRepo, cb) {
2365    pullReqs.getRevs(pr.id, function (err, revs) {
2366      if (err) return cb(null, renderError(err))
2367      cb(null, cat([
2368        pull.once('<section>'),
2369        renderDiffStat(req,
2370          [baseRepo, headRepo], [revs.base, revs.head]),
2371        pull.once('</section>')
2372      ]))
2373    })
2374  }
2375
2376  function renderPullReqActivity(req, pr, repo, headRepo, authorLink, postId) {
2377    var msgTimeLink = link([pr.id],
2378      new Date(pr.created_at).toLocaleString(req._locale))
2379    var newestMsg = {key: pr.id, value: {timestamp: pr.created_at}}
2380    var isAuthor = (myId == pr.author) || (myId == repo.feed)
2381    return cat([
2382      readOnce(function (cb) {
2383        cb(null,
2384          '<section class="collapse">' +
2385            authorLink + ' &middot; ' + msgTimeLink +
2386            markdown(pr.text, repo) + '</section>')
2387      }),
2388      // render posts, edits, and updates
2389      pull(
2390        many([
2391          ssb.links({
2392            dest: pr.id,
2393            values: true
2394          }),
2395          readNext(function (cb) {
2396            cb(null, pull(
2397              ssb.links({
2398                dest: headRepo.id,
2399                source: headRepo.feed,
2400                rel: 'repo',
2401                values: true,
2402                reverse: true
2403              }),
2404              pull.take(function (link) {
2405                return link.value.timestamp > pr.created_at
2406              }),
2407              pull.filter(function (link) {
2408                return link.value.content.type == 'git-update'
2409                  && ('refs/heads/' + pr.headBranch) in link.value.content.refs
2410              })
2411            ))
2412          })
2413        ]),
2414        addAuthorName(about),
2415        pull.unique('key'),
2416        pull.through(function (msg) {
2417          if (msg.value.timestamp > newestMsg.value.timestamp)
2418            newestMsg = msg
2419        }),
2420        sortMsgs(),
2421        pull.map(function (item) {
2422          if (item.value.content.type == 'git-update')
2423            return renderBranchUpdate(req, pr, item)
2424          return renderIssueActivityMsg(req, repo, pr,
2425            req._t('pull request'), postId, item)
2426        })
2427      ),
2428      !isPublic && isAuthor && pr.open && pull.once(
2429        '<section class="merge-instructions">' +
2430        '<input type="checkbox" class="toggle" id="merge-instructions"/>' +
2431        '<h4><label for="merge-instructions" class="toggle-link"><a>' +
2432        req._t('mergeInstructions.MergeViaCmdLine') +
2433        '</a></label></h4>' +
2434        '<div class="contents">' +
2435        '<p>' + req._t('mergeInstructions.CheckOut') + '</p>' +
2436        '<pre>' +
2437        'git fetch ssb://' + escapeHTML(pr.headRepo) + ' ' +
2438          escapeHTML(pr.headBranch) + '\n' +
2439        'git checkout -b ' + escapeHTML(pr.headBranch) + ' FETCH_HEAD' +
2440        '</pre>' +
2441        '<p>' + req._t('mergeInstructions.MergeAndPush') + '</p>' +
2442        '<pre>' +
2443        'git checkout ' + escapeHTML(pr.baseBranch) + '\n' +
2444        'git merge ' + escapeHTML(pr.headBranch) + '\n' +
2445        'git push ssb ' + escapeHTML(pr.baseBranch) +
2446        '</pre>' +
2447        '</div></section>'),
2448      !isPublic && readOnce(function (cb) {
2449        cb(null, renderIssueCommentForm(req, pr, repo, newestMsg.key, isAuthor,
2450          req._t('pull request')))
2451      })
2452    ])
2453  }
2454
2455  function renderBranchUpdate(req, pr, msg) {
2456    var authorLink = link([msg.value.author], msg.authorName)
2457    var msgLink = link([msg.key],
2458      new Date(msg.value.timestamp).toLocaleString(req._locale))
2459    var rev = msg.value.content.refs['refs/heads/' + pr.headBranch]
2460    if (!rev)
2461      return '<section class="collapse">' +
2462        req._t('NameDeletedBranch', {
2463          name: authorLink,
2464          branch: '<code>' + pr.headBranch + '</code>'
2465        }) + ' &middot; ' + msgLink +
2466        '</section>'
2467
2468    var revLink = link([pr.headRepo, 'commit', rev], rev.substr(0, 8))
2469    return '<section class="collapse">' +
2470      req._t('NameUpdatedBranch', {
2471        name: authorLink,
2472        rev: '<code>' + revLink + '</code>'
2473      }) + ' &middot; ' + msgLink +
2474      '</section>'
2475  }
2476
2477  /* Compare changes */
2478
2479  function serveRepoCompare(req, repo) {
2480    var query = req._u.query
2481    var base
2482    var count = 0
2483
2484    return renderRepoPage(req, repo, 'pulls', null, cat([
2485      pull.once('<h3>' + req._t('CompareChanges') + '</h3>' +
2486        '<form action="' + encodeLink(repo.id) + '/comparing" method="get">' +
2487        '<section>'),
2488      pull.once(req._t('BaseBranch') + ': '),
2489      readNext(function (cb) {
2490        if (query.base) gotBase(null, query.base)
2491        else repo.getSymRef('HEAD', true, gotBase)
2492        function gotBase(err, ref) {
2493          if (err) return cb(err)
2494          cb(null, branchMenu(repo, 'base', base = ref || 'HEAD'))
2495        }
2496      }),
2497      pull.once('<br/>' + req._t('ComparisonRepoBranch') + ':'),
2498      pull(
2499        getForks(repo, true),
2500        pull.asyncMap(function (msg, cb) {
2501          getRepo(msg.key, function (err, repo) {
2502            if (err) return cb(err)
2503            cb(null, {
2504              msg: msg,
2505              repo: repo
2506            })
2507          })
2508        }),
2509        pull.map(renderFork),
2510        pull.flatten()
2511      ),
2512      pull.once('</section>'),
2513      readOnce(function (cb) {
2514        cb(null, count == 0 ? req._t('NoBranches') :
2515          '<button type="submit" class="btn">' +
2516          req._t('Compare') + '</button>')
2517      }),
2518      pull.once('</form>')
2519    ]))
2520
2521    function renderFork(fork) {
2522      return pull(
2523        fork.repo.refs(),
2524        pull.map(function (ref) {
2525          var m = /^refs\/([^\/]*)\/(.*)$/.exec(ref.name) || [,ref.name]
2526          return {
2527            type: m[1],
2528            name: m[2],
2529            value: ref.value
2530          }
2531        }),
2532        pull.filter(function (ref) {
2533          return ref.type == 'heads'
2534            && !(ref.name == base && fork.msg.key == repo.id)
2535        }),
2536        pull.map(function (ref) {
2537          var branchLink = link([fork.msg.key, 'tree', ref.name], ref.name)
2538          var authorLink = link([fork.msg.value.author], fork.msg.authorName)
2539          var repoLink = link([fork.msg.key], fork.msg.repoName)
2540          var value = fork.msg.key + ':' + ref.name
2541          count++
2542          return '<div class="bgslash">' +
2543            '<input type="radio" name="head"' +
2544            ' value="' + escapeHTML(value) + '"' +
2545            (query.head == value ? ' checked="checked"' : '') + '> ' +
2546            authorLink + ' / ' + repoLink + ' / ' + branchLink + '</div>'
2547        })
2548      )
2549    }
2550  }
2551
2552  function serveRepoComparing(req, repo) {
2553    var query = req._u.query
2554    var baseBranch = query.base
2555    var s = (query.head || '').split(':')
2556
2557    if (!s || !baseBranch)
2558      return serveRedirect(req, encodeLink([repo.id, 'compare']))
2559
2560    var headRepoId = s[0]
2561    var headBranch = s[1]
2562    var baseLink = link([repo.id, 'tree', baseBranch])
2563    var headBranchLink = link([headRepoId, 'tree', headBranch])
2564    var backHref = encodeLink([repo.id, 'compare']) + req._u.search
2565
2566    return renderRepoPage(req, repo, 'pulls', null, cat([
2567      pull.once('<h3>' +
2568      req._t(query.expand ? 'OpenPullRequest': 'ComparingChanges') +
2569      '</h3>'),
2570      readNext(function (cb) {
2571        getRepo(headRepoId, function (err, headRepo) {
2572          if (err) return cb(err)
2573          getRepoFullName(about, headRepo.feed, headRepo.id,
2574            function (err, repoName, authorName) {
2575              if (err) return cb(err)
2576              cb(null, renderRepoInfo(Repo(headRepo), repoName, authorName))
2577            }
2578          )
2579        })
2580      })
2581    ]))
2582
2583    function renderRepoInfo(headRepo, headRepoName, headRepoAuthorName) {
2584      var authorLink = link([headRepo.feed], headRepoAuthorName)
2585      var repoLink = link([headRepoId], headRepoName)
2586      return cat([
2587        pull.once('<section>' +
2588          req._t('Base') + ': ' + baseLink + '<br/>' +
2589          req._t('Head') + ': ' +
2590          '<span class="bgslash">' + authorLink + ' / ' + repoLink +
2591          ' / ' + headBranchLink + '</span>' +
2592          '</section>' +
2593          (query.expand ? '<section><form method="post" action="">' +
2594            hiddenInputs({
2595              action: 'new-pull',
2596              branch: baseBranch,
2597              head_repo: headRepoId,
2598              head_branch: headBranch
2599            }) +
2600            '<input class="wide-input" name="title"' +
2601            ' placeholder="' + req._t('Title') + '" size="77"/>' +
2602            renderPostForm(req, repo, req._t('Description'), 8) +
2603            '<button type="submit" class="btn open">' +
2604              req._t('Create') + '</button>' +
2605            '</form></section>'
2606          : '<section><form method="get" action="">' +
2607            hiddenInputs({
2608              base: baseBranch,
2609              head: query.head
2610            }) +
2611            '<button class="btn open" type="submit" name="expand" value="1">' +
2612              '<i>⎇</i> ' + req._t('CreatePullRequest') + '</button> ' +
2613            '<a href="' + backHref + '">' + req._t('Back') + '</a>' +
2614            '</form></section>') +
2615          '<div id="commits"></div>' +
2616          '<div class="tab-links">' +
2617            '<a href="#" id="files-link">' + req._t('FilesChanged') + '</a> ' +
2618            '<a href="#commits" id="commits-link">' +
2619              req._t('Commits') + '</a>' +
2620          '</div>' +
2621          '<section id="files-tab">'),
2622        renderDiffStat(req, [repo, headRepo], [baseBranch, headBranch]),
2623        pull.once('</section>' +
2624          '<section id="commits-tab">'),
2625        renderCommitLog(req, repo, baseBranch, headRepo, headBranch),
2626        pull.once('</section>')
2627      ])
2628    }
2629  }
2630
2631  function renderCommitLog(req, baseRepo, baseBranch, headRepo, headBranch) {
2632    return cat([
2633      pull.once('<table class="compare-commits">'),
2634      readNext(function (cb) {
2635        baseRepo.resolveRef(baseBranch, function (err, baseBranchRev) {
2636          if (err) return cb(err)
2637          var currentDay
2638          return cb(null, pull(
2639            headRepo.readLog(headBranch),
2640            pull.take(function (rev) { return rev != baseBranchRev }),
2641            pullReverse(),
2642            paramap(headRepo.getCommitParsed.bind(headRepo), 8),
2643            pull.map(function (commit) {
2644              var commitPath = [headRepo.id, 'commit', commit.id]
2645              var commitIdShort = '<tt>' + commit.id.substr(0, 8) + '</tt>'
2646              var day = Math.floor(commit.author.date / 86400000)
2647              var dateRow = day == currentDay ? '' :
2648                '<tr><th colspan=3 class="date-info">' +
2649                commit.author.date.toLocaleDateString(req._locale) +
2650                '</th><tr>'
2651              currentDay = day
2652              return dateRow + '<tr>' +
2653                '<td>' + escapeHTML(commit.author.name) + '</td>' +
2654                '<td>' + link(commitPath, commit.title) + '</td>' +
2655                '<td>' + link(commitPath, commitIdShort, true) + '</td>' +
2656                '</tr>'
2657            })
2658          ))
2659        })
2660      }),
2661      pull.once('</table>')
2662    ])
2663  }
2664}
2665

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