git ssb

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var pull = require('pull-stream')
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var paramap = require('pull-paramap')
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var u = require('./util')
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var getAbout = require('ssb-avatar')
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module.exports = function (argv) {
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  var repoId
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  if (argv.global || argv.g) {
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    if (argv._.length > 0) return require('./help')('log')
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    repoId = null
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  } else {
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    repoId = u.getRemote(argv._[0])
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    if (!repoId) throw 'unable to find git-ssb repo'
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  }
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  u.getSbot(argv, function (err, sbot) {
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    if (err) throw err
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    sbot.whoami(function (err, feed) {
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      if (err) throw err
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      pull(
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        sbot.links({
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          dest: repoId,
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          rel: 'repo',
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          values: true,
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          meta: false,
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          reverse: true,
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        }),
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        pull.filter(function (msg) {
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          var c = msg.value.content
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          return c.type === 'git-update'
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        }),
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        // TODO:
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        // - sort by timestamp, or causal order?
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        // - show causal links
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        paramap(function (msg, cb) {
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          getAbout(sbot, feed.id, msg.value.author, function (err, about) {
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            if (err) return cb(err)
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            msg.authorName = '@' + about.name
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            cb(err, msg)
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          })
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        }, 8),
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        pull.map(function (msg) {
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          var c = msg.value.content
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          var commits = Array.isArray(c.commits) ? c.commits : []
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          var numMoreCommits = ~~c.commits_more
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          var date = new Date(msg.value.timestamp)
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          return '' +
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`${msg.key}
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${msg.authorName} ${date.toLocaleString()}
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${commits.map(commit =>
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`  + ${String(commit.sha1).substr(0, 8)} ${commit.title||''}
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`).join('')}`
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+ (c.commits_more ?
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`  + ${~~c.commits_more} more` : '')
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        }),
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        pull.log(function (err) {
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          if (err) throw err
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          process.exit(0)
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        })
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      )
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    })
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  })
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}
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