git ssb

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var url = require('url')
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var pull = require('pull-stream')
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var cat = require('pull-cat')
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var paramap = require('pull-paramap')
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var multicb = require('multicb')
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var JsDiff = require('diff')
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var GitRepo = require('pull-git-repo')
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var gitPack = require('pull-git-pack')
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var u = require('../util')
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var paginate = require('../paginate')
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var markdown = require('../markdown')
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var forms = require('../forms')
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module.exports = function (web) {
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  return new RepoRoutes(web)
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}
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function RepoRoutes(web) {
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  this.web = web
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  this.issues = require('./issues')(this, web)
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  this.pulls = require('./pulls')(this, web)
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}
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var R = RepoRoutes.prototype
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function getRepoObjectString(repo, id, cb) {
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  if (!id) return cb(null, '')
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  repo.getObjectFromAny(id, function (err, obj) {
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    if (err) return cb(err)
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    u.readObjectString(obj, cb)
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  })
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}
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function table(props) {
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  return function (read) {
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    return cat([
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      pull.once('<table' + (props ? ' ' + props : '') + '>'),
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      pull(
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        read,
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        pull.map(function (row) {
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          return row ? '<tr>' + row.map(function (cell) {
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            return '<td>' + cell + '</td>'
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          }).join('') + '</tr>' : ''
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        })
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      ),
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      pull.once('</table>')
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    ])
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  }
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}
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function ul(props) {
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  return function (read) {
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    return cat([
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      pull.once('<ul' + (props ? ' ' + props : '') + '>'),
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      pull(read, pull.map(function (li) { return '<li>' + li + '</li>' })),
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      pull.once('</ul>')
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    ])
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  }
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}
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function hiddenInputs(values) {
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  return Object.keys(values).map(function (key) {
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    return '<input type="hidden"' +
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      ' name="' + u.escape(key) + '"' +
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      ' value="' + u.escape(values[key]) + '"/>'
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  }).join('')
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}
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/* Repo */
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R.serveRepoPage = function (req, repo, path) {
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  var self = this
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  var defaultBranch = 'master'
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  var query = req._u.query
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  if (query.rev != null) {
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    // Allow navigating revs using GET query param.
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    // Replace the branch in the path with the rev query value
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    path[0] = path[0] || 'tree'
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    path[1] = query.rev
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    req._u.pathname = u.encodeLink([repo.id].concat(path))
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    delete req._u.query.rev
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    delete req._u.search
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    return self.web.serveRedirect(req, url.format(req._u))
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  }
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  // get branch
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  return path[1] ?
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    R_serveRepoPage2.call(self, req, repo, path) :
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    u.readNext(function (cb) {
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      // TODO: handle this in pull-git-repo or ssb-git-repo
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      repo.getSymRef('HEAD', true, function (err, ref) {
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        if (err) return cb(err)
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        repo.resolveRef(ref, function (err, rev) {
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          path[1] = rev ? ref : null
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          cb(null, R_serveRepoPage2.call(self, req, repo, path))
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        })
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      })
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    })
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}
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function R_serveRepoPage2(req, repo, path) {
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  var branch = path[1]
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  var filePath = path.slice(2)
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  switch (path[0]) {
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    case undefined:
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    case '':
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      return this.serveRepoTree(req, repo, branch, [])
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    case 'activity':
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      return this.serveRepoActivity(req, repo, branch)
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    case 'commits':
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      return this.serveRepoCommits(req, repo, branch)
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    case 'commit':
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      return this.serveRepoCommit(req, repo, path[1])
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    case 'tag':
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      return this.serveRepoTag(req, repo, branch)
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    case 'tree':
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      return this.serveRepoTree(req, repo, branch, filePath)
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    case 'blob':
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      return this.serveRepoBlob(req, repo, branch, filePath)
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    case 'raw':
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      return this.serveRepoRaw(req, repo, branch, filePath)
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    case 'digs':
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      return this.serveRepoDigs(req, repo)
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    case 'fork':
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      return this.serveRepoForkPrompt(req, repo)
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    case 'forks':
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      return this.serveRepoForks(req, repo)
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    case 'issues':
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      switch (path[1]) {
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        case 'new':
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          if (filePath.length == 0)
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            return this.issues.serveRepoNewIssue(req, repo)
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          break
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        default:
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          return this.issues.serveRepoIssues(req, repo, false)
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      }
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    case 'pulls':
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      return this.issues.serveRepoIssues(req, repo, true)
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    case 'compare':
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      return this.pulls.serveRepoCompare(req, repo)
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    case 'comparing':
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      return this.pulls.serveRepoComparing(req, repo)
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    default:
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      return this.web.serve404(req)
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  }
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}
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R.serveRepoNotFound = function (req, id, err) {
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  return this.web.serveTemplate(req, req._t('error.RepoNotFound'), 404)
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  (pull.values([
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    '<h2>' + req._t('error.RepoNotFound') + '</h2>',
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    '<p>' + req._t('error.RepoNameNotFound') + '</p>',
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    '<pre>' + u.escape(err.stack) + '</pre>'
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  ]))
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}
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R.renderRepoPage = function (req, repo, page, branch, titleTemplate, body) {
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  var self = this
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  var gitUrl = 'ssb://' + repo.id
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  var gitLink = '<input class="clone-url" readonly="readonly" ' +
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    'value="' + gitUrl + '" size="45" ' +
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    'onclick="this.select()"/>'
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  var digsPath = [repo.id, 'digs']
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  var done = multicb({ pluck: 1, spread: true })
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  self.web.getRepoName(repo.feed, repo.id, done())
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  self.web.about.getName(repo.feed, done())
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  self.web.getVotes(repo.id, done())
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  if (repo.upstream) {
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    self.web.getRepoName(repo.upstream.feed, repo.upstream.id, done())
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    self.web.about.getName(repo.upstream.feed, done())
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  }
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  return u.readNext(function (cb) {
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    done(function (err, repoName, authorName, votes,
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        upstreamName, upstreamAuthorName) {
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      if (err) return cb(null, self.web.serveError(req, err))
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      var upvoted = votes.upvoters[self.web.myId] > 0
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      var upstreamLink = !repo.upstream ? '' :
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        u.link([repo.upstream])
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      var title = titleTemplate ? titleTemplate
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        .replace(/%\{repo\}/g, repoName)
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        .replace(/%\{author\}/g, authorName)
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        : authorName + '/' + repoName
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      var isPublic = self.web.isPublic
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      cb(null, self.web.serveTemplate(req, title)(cat([
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        pull.once(
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          '<div class="repo-title">' +
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          '<form class="right-bar" action="" method="post">' +
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            '<button class="btn" name="action" value="vote" ' +
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            (isPublic ? 'disabled="disabled"' : ' type="submit"') + '>' +
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              '<i>✌</i> ' + req._t(!isPublic && upvoted ? 'Undig' : 'Dig') +
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              '</button>' +
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            (isPublic ? '' : '<input type="hidden" name="value" value="' +
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                (upvoted ? '0' : '1') + '">' +
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              '<input type="hidden" name="id" value="' +
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                u.escape(repo.id) + '">') + ' ' +
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            '<strong>' + u.link(digsPath, votes.upvotes) + '</strong> ' +
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            (isPublic ? '' : '<button class="btn" type="submit" ' +
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                ' name="action" value="fork-prompt">' +
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              '<i>⑂</i> ' + req._t('Fork') +
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              '</button>') + ' ' +
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            u.link([repo.id, 'forks'], '+', false, ' title="' +
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              req._t('Forks') + '"') +
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          '</form>' +
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          forms.name(req, !isPublic, repo.id, repoName, 'repo-name',
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            null, req._t('repo.Rename'),
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            '<h2 class="bgslash">' + u.link([repo.feed], authorName) + ' / ' +
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              u.link([repo.id], repoName) + '</h2>') +
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          '</div>' +
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          (repo.upstream ? '<small class="bgslash">' + req._t('ForkedFrom', {
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            repo: u.link([repo.upstream.feed], upstreamAuthorName) + '/' +
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              u.link([repo.upstream.id], upstreamName)
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          }) + '</small>' : '') +
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          u.nav([
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            [[repo.id], req._t('Code'), 'code'],
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            [[repo.id, 'activity'], req._t('Activity'), 'activity'],
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            [[repo.id, 'commits', branch||''], req._t('Commits'), 'commits'],
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            [[repo.id, 'issues'], req._t('Issues'), 'issues'],
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            [[repo.id, 'pulls'], req._t('PullRequests'), 'pulls']
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          ], page, gitLink)),
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        body
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      ])))
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    })
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  })
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}
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R.serveEmptyRepo = function (req, repo) {
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  if (repo.feed != this.web.myId)
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    return this.renderRepoPage(req, repo, 'code', null, null, pull.once(
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      '<section>' +
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      '<h3>' + req._t('EmptyRepo') + '</h3>' +
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      '</section>'))
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  var gitUrl = 'ssb://' + repo.id
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  return this.renderRepoPage(req, repo, 'code', null, null, pull.once(
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    '<section>' +
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    '<h3>' + req._t('initRepo.GettingStarted') + '</h3>' +
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    '<h4>' + req._t('initRepo.CreateNew') + '</h4><pre>' +
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    'touch ' + req._t('initRepo.README') + '.md\n' +
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    'git init\n' +
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    'git add ' + req._t('initRepo.README') + '.md\n' +
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    'git commit -m "' + req._t('initRepo.InitialCommit') + '"\n' +
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    'git remote add origin ' + gitUrl + '\n' +
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    'git push -u origin master</pre>\n' +
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    '<h4>' + req._t('initRepo.PushExisting') + '</h4>\n' +
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    '<pre>git remote add origin ' + gitUrl + '\n' +
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    'git push -u origin master</pre>' +
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    '</section>'))
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}
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R.serveRepoTree = function (req, repo, rev, path) {
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  if (!rev) return this.serveEmptyRepo(req, repo)
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  var type = repo.isCommitHash(rev) ? 'Tree' : 'Branch'
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  var title = (path.length ? path.join('/') + ' · ' : '') +
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    '%{author}/%{repo}' +
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    (repo.head == 'refs/heads/' + rev ? '' : '@' + rev)
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  return this.renderRepoPage(req, repo, 'code', rev, title, cat([
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    pull.once('<section><form action="" method="get">' +
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      '<h3>' + req._t(type) + ': ' + rev + ' '),
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    revMenu(req, repo, rev),
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    pull.once('</h3></form>'),
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    type == 'Branch' && renderRepoLatest(req, repo, rev),
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    pull.once('</section><section>'),
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    renderRepoTree(req, repo, rev, path),
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    pull.once('</section>'),
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    this.renderRepoReadme(req, repo, rev, path)
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  ]))
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}
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/* Repo activity */
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R.serveRepoActivity = function (req, repo, branch) {
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  var self = this
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  var title = req._t('Activity') + ' · %{author}/%{repo}'
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  return self.renderRepoPage(req, repo, 'activity', branch, title, cat([
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    pull.once('<h3>' + req._t('Activity') + '</h3>'),
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    pull(
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      self.web.ssb.links({
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        dest: repo.id,
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        source: repo.feed,
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        rel: 'repo',
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        values: true,
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        reverse: true
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      }),
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      pull.map(renderRepoUpdate.bind(self, req, repo))
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    ),
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    u.readOnce(function (cb) {
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      var done = multicb({ pluck: 1, spread: true })
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      self.web.about.getName(repo.feed, done())
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      self.web.getMsg(repo.id, done())
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      done(function (err, authorName, msg) {
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        if (err) return cb(err)
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        self.web.renderFeedItem(req, {
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          key: repo.id,
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          value: msg,
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          authorName: authorName
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        }, cb)
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      })
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    })
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  ]))
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}
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function renderRepoUpdate(req, repo, msg, full) {
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  var c = msg.value.content
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  if (c.type != 'git-update') {
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    return ''
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    // return renderFeedItem(msg, cb)
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    // TODO: render post, issue, pull-request
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  }
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  var branches = []
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  var tags = []
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  if (c.refs) for (var name in c.refs) {
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    var m = name.match(/^refs\/(heads|tags)\/(.*)$/) || [,, name]
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    ;(m[1] == 'tags' ? tags : branches)
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      .push({name: m[2], value: c.refs[name]})
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  }
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  var numObjects = c.objects ? Object.keys(c.objects).length : 0
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  var dateStr = new Date(msg.value.timestamp).toLocaleString(req._locale)
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  return '<section class="collapse">' +
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    u.link([msg.key], dateStr) + '<br>' +
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    branches.map(function (update) {
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      if (!update.value) {
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        return '<s>' + u.escape(update.name) + '</s><br/>'
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      } else {
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        var commitLink = u.link([repo.id, 'commit', update.value])
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        var branchLink = u.link([repo.id, 'tree', update.name])
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        return branchLink + ' &rarr; <tt>' + commitLink + '</tt><br/>'
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      }
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    }).join('') +
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    tags.map(function (update) {
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      return update.value
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        ? u.link([repo.id, 'tag', update.value], update.name)
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        : '<s>' + u.escape(update.name) + '</s>'
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    }).join(', ') +
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    '</section>'
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}
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/* Repo commits */
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R.serveRepoCommits = function (req, repo, branch) {
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  var query = req._u.query
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  var title = req._t('Commits') + ' · %{author}/%{repo}'
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  return this.renderRepoPage(req, repo, 'commits', branch, title, cat([
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    pull.once('<h3>' + req._t('Commits') + '</h3>'),
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    pull(
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      repo.readLog(query.start || branch),
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      pull.take(20),
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      paramap(repo.getCommitParsed.bind(repo), 8),
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      paginate(
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        !query.start ? '' : function (first, cb) {
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          cb(null, '&hellip;')
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        },
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        pull.map(renderCommit.bind(this, req, repo)),
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        function (commit, cb) {
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          cb(null, commit.parents && commit.parents[0] ?
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            '<a href="?start=' + commit.id + '">' +
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              req._t('Older') + '</a>' : '')
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        }
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      )
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    )
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  ]))
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}
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function renderCommit(req, repo, commit) {
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  var commitPath = [repo.id, 'commit', commit.id]
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  var treePath = [repo.id, 'tree', commit.id]
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  return '<section class="collapse">' +
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    '<strong>' + u.link(commitPath, commit.title) + '</strong><br>' +
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    '<tt>' + commit.id + '</tt> ' +
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      u.link(treePath, req._t('Tree')) + '<br>' +
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    u.escape(commit.author.name) + ' &middot; ' +
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    commit.author.date.toLocaleString(req._locale) +
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    (commit.separateAuthor ? '<br>' + req._t('CommittedOn', {
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      name: u.escape(commit.committer.name),
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      date: commit.committer.date.toLocaleString(req._locale)
382
    }) : '') +
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    '</section>'
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}
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/* Branch menu */
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function formatRevOptions(currentName) {
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  return function (name) {
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    var htmlName = u.escape(name)
391
    return '<option value="' + htmlName + '"' +
392
      (name == currentName ? ' selected="selected"' : '') +
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      '>' + htmlName + '</option>'
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  }
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}
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function formatRevType(req, type) {
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  return (
399
    type == 'heads' ? req._t('Branches') :
400
    type == 'tags' ? req._t('Tags') :
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    type)
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}
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function revMenu(req, repo, currentName) {
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  return u.readOnce(function (cb) {
406
    repo.getRefNames(function (err, refs) {
407
      if (err) return cb(err)
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      cb(null, '<select name="rev" onchange="this.form.submit()">' +
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        Object.keys(refs).map(function (group) {
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          return '<optgroup label="' + formatRevType(req, group) + '">' +
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            refs[group].map(formatRevOptions(currentName)).join('') +
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            '</optgroup>'
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        }).join('') +
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        '</select><noscript> ' +
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        '<input type="submit" value="' + req._t('Go') + '"/></noscript>')
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    })
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  })
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}
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function branchMenu(repo, name, currentName) {
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  return cat([
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    pull.once('<select name="' + name + '">'),
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    pull(
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      repo.refs(),
425
      pull.map(function (ref) {
426
        var m = ref.name.match(/^refs\/([^\/]*)\/(.*)$/) || [,, ref.name]
427
        return m[1] == 'heads' && m[2]
428
      }),
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      pull.filter(Boolean),
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      u.pullSort(),
431
      pull.map(formatRevOptions(currentName))
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    ),
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    pull.once('</select>')
434
  ])
435
}
436
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/* Repo tree */
438
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function renderRepoLatest(req, repo, rev) {
440
  return u.readOnce(function (cb) {
441
    repo.getCommitParsed(rev, function (err, commit) {
442
      if (err) return cb(err)
443
      var commitPath = [repo.id, 'commit', commit.id]
444
      cb(null,
445
        req._t('Latest') + ': ' +
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        '<strong>' + u.link(commitPath, commit.title) + '</strong><br/>' +
447
        '<tt>' + commit.id + '</tt><br/> ' +
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        req._t('CommittedOn', {
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          name: u.escape(commit.committer.name),
450
          date: commit.committer.date.toLocaleString(req._locale)
451
        }) +
452
        (commit.separateAuthor ? '<br/>' + req._t('AuthoredOn', {
453
          name: u.escape(commit.author.name),
454
          date: commit.author.date.toLocaleString(req._locale)
455
        }) : ''))
456
    })
457
  })
458
}
459
460
// breadcrumbs
461
function linkPath(basePath, path) {
462
  path = path.slice()
463
  var last = path.pop()
464
  return path.map(function (dir, i) {
465
    return u.link(basePath.concat(path.slice(0, i+1)), dir)
466
  }).concat(last).join(' / ')
467
}
468
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function renderRepoTree(req, repo, rev, path) {
470
  var pathLinks = path.length === 0 ? '' :
471
    ': ' + linkPath([repo.id, 'tree'], [rev].concat(path))
472
  return cat([
473
    pull.once('<h3>' + req._t('Files') + pathLinks + '</h3>'),
474
    pull(
475
      repo.readDir(rev, path),
476
      pull.map(function (file) {
477
        var type = (file.mode === 040000) ? 'tree' :
478
          (file.mode === 0160000) ? 'commit' : 'blob'
479
        if (type == 'commit')
480
          return [
481
            '<span title="' + req._t('gitCommitLink') + '">🖈</span>',
482
            '<span title="' + u.escape(file.id) + '">' +
483
              u.escape(file.name) + '</span>']
484
        var filePath = [repo.id, type, rev].concat(path, file.name)
485
        return ['<i>' + (type == 'tree' ? '📁' : '📄') + '</i>',
486
          u.link(filePath, file.name)]
487
      }),
488
      table('class="files"')
489
    )
490
  ])
491
}
492
493
/* Repo readme */
494
495
R.renderRepoReadme = function (req, repo, branch, path) {
496
  var self = this
497
  return u.readNext(function (cb) {
498
    pull(
499
      repo.readDir(branch, path),
500
      pull.filter(function (file) {
501
        return /readme(\.|$)/i.test(file.name)
502
      }),
503
      pull.take(1),
504
      pull.collect(function (err, files) {
505
        if (err) return cb(null, pull.empty())
506
        var file = files[0]
507
        if (!file)
508
          return cb(null, pull.once(path.length ? '' :
509
            '<p>' + req._t('NoReadme') + '</p>'))
510
        repo.getObjectFromAny(file.id, function (err, obj) {
511
          if (err) return cb(err)
512
          cb(null, cat([
513
            pull.once('<section><h4><a name="readme">' +
514
              u.escape(file.name) + '</a></h4><hr/>'),
515
            self.web.renderObjectData(obj, file.name, repo, branch, path),
516
            pull.once('</section>')
517
          ]))
518
        })
519
      })
520
    )
521
  })
522
}
523
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/* Repo commit */
525
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R.serveRepoCommit = function (req, repo, rev) {
527
  var self = this
528
  return u.readNext(function (cb) {
529
    repo.getCommitParsed(rev, function (err, commit) {
530
      if (err) return cb(err)
531
      var commitPath = [repo.id, 'commit', commit.id]
532
      var treePath = [repo.id, 'tree', commit.id]
533
      var title = u.escape(commit.title) + ' · ' +
534
        '%{author}/%{repo}@' + commit.id.substr(0, 8)
535
      cb(null, self.renderRepoPage(req, repo, null, rev, title, cat([
536
        pull.once(
537
        '<h3>' + u.link(commitPath,
538
          req._t('CommitRev', {rev: rev})) + '</h3>' +
539
        '<section class="collapse">' +
540
        '<div class="right-bar">' +
541
          u.link(treePath, req._t('BrowseFiles')) +
542
        '</div>' +
543
        '<h4>' + u.linkify(u.escape(commit.title)) + '</h4>' +
544
        (commit.body ? u.linkify(u.pre(commit.body)) : '') +
545
        (commit.separateAuthor ? req._t('AuthoredOn', {
546
          name: u.escape(commit.author.name),
547
          date: commit.author.date.toLocaleString(req._locale)
548
        }) + '<br/>' : '') +
549
        req._t('CommittedOn', {
550
          name: u.escape(commit.committer.name),
551
          date: commit.committer.date.toLocaleString(req._locale)
552
        }) + '<br/>' +
553
        commit.parents.map(function (id) {
554
          return req._t('Parent') + ': ' +
555
            u.link([repo.id, 'commit', id], id)
556
        }).join('<br>') +
557
        '</section>' +
558
        '<section><h3>' + req._t('FilesChanged') + '</h3>'),
559
        // TODO: show diff from all parents (merge commits)
560
        self.renderDiffStat(req, [repo, repo], [commit.parents[0], commit.id]),
561
        pull.once('</section>')
562
      ])))
563
    })
564
  })
565
}
566
567
/* Repo tag */
568
569
R.serveRepoTag = function (req, repo, rev) {
570
  var self = this
571
  return u.readNext(function (cb) {
572
    repo.getTagParsed(rev, function (err, tag) {
573
      if (err) return cb(err)
574
      var title = req._t('TagName', {
575
        tag: u.escape(tag.tag)
576
      }) + ' · %{author}/%{repo}'
577
      var body = (tag.title + '\n\n' +
578
        tag.body.replace(/-----BEGIN PGP SIGNATURE-----\n[^.]*?\n-----END PGP SIGNATURE-----\s*$/, '')).trim()
579
      cb(null, self.renderRepoPage(req, repo, 'tags', tag.object, title,
580
        pull.once(
581
          '<section class="collapse">' +
582
          '<h3>' + u.link([repo.id, 'tag', rev], tag.tag) + '</h3>' +
583
          req._t('TaggedOn', {
584
            name: u.escape(tag.tagger.name),
585
            date: tag.tagger.date.toLocaleString(req._locale)
586
          }) + '<br/>' +
587
        u.link([repo.id, tag.type, tag.object]) +
588
        u.linkify(u.pre(body)) +
589
        '</section>')))
590
    })
591
  })
592
}
593
594
595
/* Diff stat */
596
597
R.renderDiffStat = function (req, repos, treeIds) {
598
  if (treeIds.length == 0) treeIds = [null]
599
  var id = treeIds[0]
600
  var lastI = treeIds.length - 1
601
  var oldTree = treeIds[0]
602
  var changedFiles = []
603
  return cat([
604
    pull(
605
      GitRepo.diffTrees(repos, treeIds, true),
606
      pull.map(function (item) {
607
        var filename = u.escape(item.filename = item.path.join('/'))
608
        var oldId = item.id && item.id[0]
609
        var newId = item.id && item.id[lastI]
610
        var oldMode = item.mode && item.mode[0]
611
        var newMode = item.mode && item.mode[lastI]
612
        var action =
613
          !oldId && newId ? req._t('action.added') :
614
          oldId && !newId ? req._t('action.deleted') :
615
          oldMode != newMode ? req._t('action.changedMode', {
616
            old: oldMode.toString(8),
617
            new: newMode.toString(8)
618
          }) : req._t('changed')
619
        if (item.id)
620
          changedFiles.push(item)
621
        var blobsPath = item.id[1]
622
          ? [repos[1].id, 'blob', treeIds[1]]
623
          : [repos[0].id, 'blob', treeIds[0]]
624
        var rawsPath = item.id[1]
625
          ? [repos[1].id, 'raw', treeIds[1]]
626
          : [repos[0].id, 'raw', treeIds[0]]
627
        item.blobPath = blobsPath.concat(item.path)
628
        item.rawPath = rawsPath.concat(item.path)
629
        var fileHref = item.id ?
630
          '#' + encodeURIComponent(item.path.join('/')) :
631
          u.encodeLink(item.blobPath)
632
        return ['<a href="' + fileHref + '">' + filename + '</a>', action]
633
      }),
634
      table()
635
    ),
636
    pull(
637
      pull.values(changedFiles),
638
      paramap(function (item, cb) {
639
        var extension = u.getExtension(item.filename)
640
        if (extension in u.imgMimes) {
641
          var filename = u.escape(item.filename)
642
          return cb(null,
643
            '<pre><table class="code">' +
644
            '<tr><th id="' + u.escape(item.filename) + '">' +
645
              filename + '</th></tr>' +
646
            '<tr><td><img src="' + u.encodeLink(item.rawPath) + '"' +
647
            ' alt="' + filename + '"/></td></tr>' +
648
            '</table></pre>')
649
        }
650
        var done = multicb({ pluck: 1, spread: true })
651
        getRepoObjectString(repos[0], item.id[0], done())
652
        getRepoObjectString(repos[1], item.id[lastI], done())
653
        done(function (err, strOld, strNew) {
654
          if (err) return cb(err)
655
          cb(null, htmlLineDiff(req, item.filename, item.filename,
656
            strOld, strNew,
657
            u.encodeLink(item.blobPath)))
658
        })
659
      }, 4)
660
    )
661
  ])
662
}
663
664
function htmlLineDiff(req, filename, anchor, oldStr, newStr, blobHref) {
665
  var diff = JsDiff.structuredPatch('', '', oldStr, newStr)
666
  var groups = diff.hunks.map(function (hunk) {
667
    var oldLine = hunk.oldStart
668
    var newLine = hunk.newStart
669
    var header = '<tr class="diff-hunk-header"><td colspan=2></td><td>' +
670
      '@@ -' + oldLine + ',' + hunk.oldLines + ' ' +
671
      '+' + newLine + ',' + hunk.newLines + ' @@' +
672
      '</td></tr>'
673
    return [header].concat(hunk.lines.map(function (line) {
674
      var s = line[0]
675
      if (s == '\\') return
676
      var html = u.highlight(line, u.getExtension(filename))
677
      var trClass = s == '+' ? 'diff-new' : s == '-' ? 'diff-old' : ''
678
      var lineNums = [s == '+' ? '' : oldLine++, s == '-' ? '' : newLine++]
679
      var id = [filename].concat(lineNums).join('-')
680
      return '<tr id="' + u.escape(id) + '" class="' + trClass + '">' +
681
        lineNums.map(function (num) {
682
          return '<td class="code-linenum">' +
683
            (num ? '<a href="#' + encodeURIComponent(id) + '">' +
684
              num + '</a>' : '') + '</td>'
685
        }).join('') +
686
        '<td class="code-text">' + html + '</td></tr>'
687
    }))
688
  })
689
  return '<pre><table class="code">' +
690
    '<tr><th colspan=3 id="' + u.escape(anchor) + '">' + filename +
691
    '<span class="right-bar">' +
692
      '<a href="' + blobHref + '">' + req._t('View') + '</a> ' +
693
    '</span></th></tr>' +
694
    [].concat.apply([], groups).join('') +
695
    '</table></pre>'
696
}
697
698
/* An unknown message linking to a repo */
699
700
R.serveRepoSomething = function (req, repo, id, msg, path) {
701
  return this.renderRepoPage(req, repo, null, null, null,
702
    pull.once('<section><h3>' + u.link([id]) + '</h3>' +
703
      u.json(msg) + '</section>'))
704
}
705
706
/* Repo update */
707
708
function objsArr(objs) {
709
  return Array.isArray(objs) ? objs :
710
    Object.keys(objs).map(function (sha1) {
711
      var obj = Object.create(objs[sha1])
712
      obj.sha1 = sha1
713
      return obj
714
    })
715
}
716
717
R.serveRepoUpdate = function (req, repo, id, msg, path) {
718
  var self = this
719
  var raw = req._u.query.raw != null
720
  var title = req._t('Update') + ' · %{author}/%{repo}'
721
722
  if (raw)
723
    return self.renderRepoPage(req, repo, 'activity', null, title, pull.once(
724
      '<a href="?" class="raw-link header-align">' +
725
        req._t('Info') + '</a>' +
726
      '<h3>' + req._t('Update') + '</h3>' +
727
      '<section class="collapse">' +
728
        u.json({key: id, value: msg}) + '</section>'))
729
730
  // convert packs to old single-object style
731
  if (msg.content.indexes) {
732
    for (var i = 0; i < msg.content.indexes.length; i++) {
733
      msg.content.packs[i] = {
734
        pack: {link: msg.content.packs[i].link},
735
        idx: msg.content.indexes[i]
736
      }
737
    }
738
  }
739
740
  var commits = cat([
741
    msg.content.objects && pull(
742
      pull.values(msg.content.objects),
743
      pull.filter(function (obj) { return obj.type == 'commit' }),
744
      paramap(function (obj, cb) {
745
        self.web.getBlob(req, obj.link || obj.key, function (err, readObject) {
746
          if (err) return cb(err)
747
          GitRepo.getCommitParsed({read: readObject}, cb)
748
        })
749
      }, 8)
750
    ),
751
    msg.content.packs && pull(
752
      pull.values(msg.content.packs),
753
      paramap(function (pack, cb) {
754
        var done = multicb({ pluck: 1, spread: true })
755
        self.web.getBlob(req, pack.pack.link, done())
756
        self.web.getBlob(req, pack.idx.link, done())
757
        done(function (err, readPack, readIdx) {
758
          if (err) return cb(self.web.renderError(err))
759
          cb(null, gitPack.decodeWithIndex(repo, readPack, readIdx))
760
        })
761
      }, 4),
762
      pull.flatten(),
763
      pull.asyncMap(function (obj, cb) {
764
        if (obj.type == 'commit')
765
          GitRepo.getCommitParsed(obj, cb)
766
        else
767
          pull(obj.read, pull.drain(null, cb))
768
      }),
769
      pull.filter()
770
    )
771
  ])
772
773
  return self.renderRepoPage(req, repo, 'activity', null, title, cat([
774
    pull.once('<a href="?raw" class="raw-link header-align">' +
775
      req._t('Data') + '</a>' +
776
      '<h3>' + req._t('Update') + '</h3>' +
777
      renderRepoUpdate(req, repo, {key: id, value: msg}, true)),
778
    (msg.content.objects || msg.content.packs) &&
779
      pull.once('<h3>' + req._t('Commits') + '</h3>'),
780
    pull(commits, pull.map(function (commit) {
781
      return renderCommit(req, repo, commit)
782
    }))
783
  ]))
784
}
785
786
/* Blob */
787
788
R.serveRepoBlob = function (req, repo, rev, path) {
789
  var self = this
790
  return u.readNext(function (cb) {
791
    repo.getFile(rev, path, function (err, object) {
792
      if (err) return cb(null, self.web.serveBlobNotFound(req, repo.id, err))
793
      var type = repo.isCommitHash(rev) ? 'Tree' : 'Branch'
794
      var pathLinks = path.length === 0 ? '' :
795
        ': ' + linkPath([repo.id, 'tree'], [rev].concat(path))
796
      var rawFilePath = [repo.id, 'raw', rev].concat(path)
797
      var dirPath = path.slice(0, path.length-1)
798
      var filename = path[path.length-1]
799
      var extension = u.getExtension(filename)
800
      var title = (path.length ? path.join('/') + ' · ' : '') +
801
        '%{author}/%{repo}' +
802
        (repo.head == 'refs/heads/' + rev ? '' : '@' + rev)
803
      cb(null, self.renderRepoPage(req, repo, 'code', rev, title, cat([
804
        pull.once('<section><form action="" method="get">' +
805
          '<h3>' + req._t(type) + ': ' + rev + ' '),
806
        revMenu(req, repo, rev),
807
        pull.once('</h3></form>'),
808
        type == 'Branch' && renderRepoLatest(req, repo, rev),
809
        pull.once('</section><section class="collapse">' +
810
          '<h3>' + req._t('Files') + pathLinks + '</h3>' +
811
          '<div>' + object.length + ' bytes' +
812
          '<span class="raw-link">' +
813
            u.link(rawFilePath, req._t('Raw')) + '</span>' +
814
          '</div></section>' +
815
          '<section>'),
816
        extension in u.imgMimes
817
        ? pull.once('<img src="' + u.encodeLink(rawFilePath) +
818
          '" alt="' + u.escape(filename) + '" />')
819
        : self.web.renderObjectData(object, filename, repo, rev, dirPath),
820
        pull.once('</section>')
821
      ])))
822
    })
823
  })
824
}
825
826
/* Raw blob */
827
828
R.serveRepoRaw = function (req, repo, branch, path) {
829
  var self = this
830
  return u.readNext(function (cb) {
831
    repo.getFile(branch, path, function (err, object) {
832
      if (err) return cb(null,
833
        this.web.serveBuffer(404, req._t('error.BlobNotFound')))
834
      var extension = u.getExtension(path[path.length-1])
835
      var contentType = u.imgMimes[extension]
836
      cb(null, pull(object.read, self.web.serveRaw(object.length, contentType)))
837
    })
838
  })
839
}
840
841
/* Digs */
842
843
R.serveRepoDigs = function (req, repo) {
844
  var self = this
845
  return u.readNext(function (cb) {
846
  var title = req._t('Digs') + ' · %{author}/%{repo}'
847
    self.web.getVotes(repo.id, function (err, votes) {
848
      cb(null, self.renderRepoPage(req, repo, null, null, title, cat([
849
        pull.once('<section><h3>' + req._t('Digs') + '</h3>' +
850
          '<div>' + req._t('Total') + ': ' + votes.upvotes + '</div>'),
851
        pull(
852
          pull.values(Object.keys(votes.upvoters)),
853
          paramap(function (feedId, cb) {
854
            self.web.about.getName(feedId, function (err, name) {
855
              if (err) return cb(err)
856
              cb(null, u.link([feedId], name))
857
            })
858
          }, 8),
859
          ul()
860
        ),
861
        pull.once('</section>')
862
      ])))
863
    })
864
  })
865
}
866
867
/* Forks */
868
869
R.getForks = function (repo, includeSelf) {
870
  var self = this
871
  return pull(
872
    cat([
873
      includeSelf && u.readOnce(function (cb) {
874
        self.web.getMsg(repo.id, function (err, value) {
875
          cb(err, value && {key: repo.id, value: value})
876
        })
877
      }),
878
      self.web.ssb.links({
879
        dest: repo.id,
880
        values: true,
881
        rel: 'upstream'
882
      })
883
    ]),
884
    pull.filter(function (msg) {
885
      return msg.value.content && msg.value.content.type == 'git-repo'
886
    }),
887
    paramap(function (msg, cb) {
888
      self.web.getRepoFullName(msg.value.author, msg.key,
889
          function (err, repoName, authorName) {
890
        if (err) return cb(err)
891
        cb(null, {
892
          key: msg.key,
893
          value: msg.value,
894
          repoName: repoName,
895
          authorName: authorName
896
        })
897
      })
898
    }, 8)
899
  )
900
}
901
902
R.serveRepoForks = function (req, repo) {
903
  var hasForks
904
  var title = req._t('Forks') + ' · %{author}/%{repo}'
905
  return this.renderRepoPage(req, repo, null, null, title, cat([
906
    pull.once('<h3>' + req._t('Forks') + '</h3>'),
907
    pull(
908
      this.getForks(repo),
909
      pull.map(function (msg) {
910
        hasForks = true
911
        return '<section class="collapse">' +
912
          u.link([msg.value.author], msg.authorName) + ' / ' +
913
          u.link([msg.key], msg.repoName) +
914
          '<span class="right-bar">' +
915
          u.timestamp(msg.value.timestamp, req) +
916
          '</span></section>'
917
      })
918
    ),
919
    u.readOnce(function (cb) {
920
      cb(null, hasForks ? '' : req._t('NoForks'))
921
    })
922
  ]))
923
}
924
925
R.serveRepoForkPrompt = function (req, repo) {
926
  var title = req._t('Fork') + ' · %{author}/%{repo}'
927
  return this.renderRepoPage(req, repo, null, null, title, pull.once(
928
    '<form action="" method="post" onreset="history.back()">' +
929
    '<h3>' + req._t('ForkRepoPrompt') + '</h3>' +
930
    '<p>' + hiddenInputs({ id: repo.id }) +
931
    '<button class="btn open" type="submit" name="action" value="fork">' +
932
      req._t('Fork') +
933
    '</button>' +
934
    ' <button class="btn" type="reset">' +
935
      req._t('Cancel') + '</button>' +
936
    '</p></form>'
937
  ))
938
}
939