Files: 28bf61d928af584e5e33b424fc41deafa9dddb77 / lib / pull-request.js
4887 bytesRaw
| 1 | var fs = require('fs') |
| 2 | var u = require('./util') |
| 3 | var multicb = require('multicb') |
| 4 | var Mentions = require('ssb-mentions') |
| 5 | |
| 6 | exports.help = ` |
| 7 | Usage: git ssb pull-request [-b <base>] [-h <head>], |
| 8 | [-m <message> | -F <file>] |
| 9 | |
| 10 | Create a pull request. This requests that changes from <head> |
| 11 | be merged into <base>. |
| 12 | |
| 13 | Arguments: |
| 14 | head the head repo/branch, in format "[<repo>:]<branch>" |
| 15 | Defaults to 'origin' or 'ssb', and the current branch. |
| 16 | base the base repo/branch, in format "[<repo>:]<branch>" |
| 17 | where <repo> may be a repo id or git remote name. |
| 18 | Defaults to the upstream of <head>, or <head>, |
| 19 | and its default branch (usually 'master') |
| 20 | message the text for the pull-request message |
| 21 | file name of file from which to read pull-request text |
| 22 | ` |
| 23 | |
| 24 | function splitEnd(str) { |
| 25 | return str ? /(?:(.*?):)?(.*)/.exec(str).slice(1) : [] |
| 26 | } |
| 27 | |
| 28 | function mdLink(text, href) { |
| 29 | return !text || text == href ? href : '[' + text + '](' + href + ')' |
| 30 | } |
| 31 | |
| 32 | function getRev(repo, branch, cb) { |
| 33 | var Repo = require('pull-git-repo') |
| 34 | Repo(repo).resolveRef(branch, function (err, rev) { |
| 35 | if (err && err.name === 'NotFoundError') err = null |
| 36 | cb(null, rev) |
| 37 | }) |
| 38 | } |
| 39 | |
| 40 | function formatGitLog(a, b) { |
| 41 | var range = a + '..' + b |
| 42 | try { |
| 43 | // https://github.com/github/hub/blob/master/git/git.go |
| 44 | return u.gitSync('log', '--no-color', '--cherry', |
| 45 | '--format=%h (%aN, %ar)%n%w(78,3,3)%s%n%+b', range) |
| 46 | } catch(e) { |
| 47 | return '`git log ' + range + '`' |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | exports.fn = function pullRequest(argv) { |
| 52 | if (argv._.length > 0) return u.help('pull-request') |
| 53 | |
| 54 | var head = splitEnd(argv.head || argv.h) |
| 55 | var headRepoId = u.getRemote(head[0]) |
| 56 | var headBranch = head[1] || u.getCurrentBranch() |
| 57 | if (!headRepoId || !headBranch) throw 'unable to find head' |
| 58 | |
| 59 | var text = argv.message || argv.m |
| 60 | var filename = argv.file || argv.F |
| 61 | if (text && filename) |
| 62 | throw 'only one of message and file option may be specified' |
| 63 | if (filename && !fs.existsSync(filename)) |
| 64 | throw 'file ' + JSON.stringify(filename) + ' does not exist' |
| 65 | |
| 66 | var base = splitEnd(argv.base || argv.b) |
| 67 | var baseRepoId = base[0] |
| 68 | var baseBranch = base[1] |
| 69 | if (baseRepoId) { |
| 70 | baseRepoId = u.getRemote(baseRepoId) |
| 71 | if (!baseRepoId) throw 'invalid base repo ' + JSON.stringify(base[0]) |
| 72 | } |
| 73 | |
| 74 | var ssbGit = require('ssb-git-repo') |
| 75 | var sbot |
| 76 | var done = multicb({pluck: 1, spread: true}) |
| 77 | var gotFeed = done() |
| 78 | var gotHeadRepo = done() |
| 79 | var gotBaseRepo = done() |
| 80 | u.getSbot(argv, function (err, _sbot) { |
| 81 | if (err) throw err |
| 82 | sbot = _sbot |
| 83 | sbot.whoami(gotFeed) |
| 84 | ssbGit.getRepo(sbot, headRepoId, gotHeadRepo) |
| 85 | if (baseRepoId) ssbGit.getRepo(sbot, baseRepoId, gotBaseRepo) |
| 86 | else gotBaseRepo() |
| 87 | }) |
| 88 | |
| 89 | done(function (err, feed, headRepo, baseRepo) { |
| 90 | if (err) throw err |
| 91 | sbot.id = feed.id |
| 92 | |
| 93 | // default base repo to upstream of head repo, or head repo |
| 94 | // default base branch to base repo's default branch |
| 95 | if (!baseRepo) { |
| 96 | if (headRepo.upstream) { |
| 97 | baseRepo = headRepo.upstream |
| 98 | } else { |
| 99 | baseRepo = headRepo |
| 100 | } |
| 101 | baseRepoId = baseRepo.id |
| 102 | } |
| 103 | |
| 104 | if (baseBranch) next() |
| 105 | else baseRepo.getHead(function (err, ref) { |
| 106 | if (err) throw err |
| 107 | baseBranch = ref && ref.replace(/refs\/heads\//, '') || 'master' |
| 108 | next() |
| 109 | }) |
| 110 | |
| 111 | function next() { |
| 112 | if (text) gotText(text, doneEditing) |
| 113 | else if (filename) fs.readFile(filename, 'utf8', gotText) |
| 114 | else { |
| 115 | var done = multicb({pluck: 1, spread: true}) |
| 116 | u.getName(sbot, [sbot.id, null], baseRepoId, done()) |
| 117 | u.getName(sbot, [sbot.id, null], headRepoId, done()) |
| 118 | getRev(baseRepo, baseBranch, done()) |
| 119 | getRev(headRepo, headBranch, done()) |
| 120 | done(editText) |
| 121 | } |
| 122 | } |
| 123 | }) |
| 124 | |
| 125 | function editText(err, baseRepoName, headRepoName, baseRev, headRev) { |
| 126 | if (err) throw err |
| 127 | var defaultText = 'Requesting a pull ' + |
| 128 | 'to ' + mdLink(baseRepoName, baseRepoId) + ':' + baseBranch + '\n' + |
| 129 | 'from ' + mdLink(headRepoName, headRepoId) + ':' + headBranch + '\n\n' + |
| 130 | 'Write message text for this pull request.' + |
| 131 | (baseRev && headRev |
| 132 | ? '\n\nChanges:\n\n' + formatGitLog(baseRev, headRev) |
| 133 | : '') |
| 134 | u.editor('PULLREQ', defaultText, gotText, doneEditing) |
| 135 | } |
| 136 | |
| 137 | function gotText(text, cb) { |
| 138 | if (!text) return cb('empty message: aborting') |
| 139 | var prSchemas = require('ssb-pull-requests/lib/schemas') |
| 140 | var value = prSchemas.new(baseRepoId, baseBranch, |
| 141 | headRepoId, headBranch, text) |
| 142 | var mentions = Mentions(text) |
| 143 | if (mentions.length) value.mentions = mentions |
| 144 | u.publishToSameRecps(sbot, baseRepoId, value, function (err, msg) { |
| 145 | if (err) return cb(err) |
| 146 | console.log(JSON.stringify(msg, 0, 2)) |
| 147 | cb(null) |
| 148 | }) |
| 149 | } |
| 150 | |
| 151 | function doneEditing(err) { |
| 152 | if (err) console.error(err) |
| 153 | sbot.close() |
| 154 | } |
| 155 | } |
| 156 |
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