FM / lib

/snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/git/lib/

/snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/git/lib

Name	Size	Mode	Actions
clone.js	4937	0644	edit dl rm
errors.js	579	0644	edit dl rm
find.js	316	0644	edit dl rm
index.js	242	0644	edit dl rm
is-clean.js	222	0644	edit dl rm
is.js	216	0644	edit dl rm
lines-to-revs.js	4061	0644	edit dl rm
make-error.js	861	0644	edit dl rm
opts.js	1617	0644	edit dl rm
revs.js	521	0644	edit dl rm
spawn.js	1303	0644	edit dl rm
utils.js	109	0644	edit dl rm
which.js	339	0644	edit dl rm

Edit: /snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/git/lib/lines-to-revs.js (4061B)

// turn an array of lines from `git ls-remote` into a thing
// vaguely resembling a packument, where docs are a resolved ref

const semver = require('semver')

module.exports = lines => finish(lines.reduce(linesToRevsReducer, {
  versions: {},
  'dist-tags': {},
  refs: {},
  shas: {},
}))

const finish = revs => distTags(shaList(peelTags(revs)))

// We can check out shallow clones on specific SHAs if we have a ref
const shaList = revs => {
  Object.keys(revs.refs).forEach(ref => {
    const doc = revs.refs[ref]
    if (!revs.shas[doc.sha]) {
      revs.shas[doc.sha] = [ref]
    } else {
      revs.shas[doc.sha].push(ref)
    }
  })
  return revs
}

// Replace any tags with their ^{} counterparts, if those exist
const peelTags = revs => {
  Object.keys(revs.refs).filter(ref => ref.endsWith('^{}')).forEach(ref => {
    const peeled = revs.refs[ref]
    const unpeeled = revs.refs[ref.replace(/\^\{\}$/, '')]
    if (unpeeled) {
      unpeeled.sha = peeled.sha
      delete revs.refs[ref]
    }
  })
  return revs
}

const distTags = revs => {
  // not entirely sure what situations would result in an
  // ichabod repo, but best to be careful in Sleepy Hollow anyway
  const HEAD = revs.refs.HEAD || /* istanbul ignore next */ {}
  const versions = Object.keys(revs.versions)
  versions.forEach(v => {
    // simulate a dist-tags with latest pointing at the
    // 'latest' branch if one exists and is a version,
    // or HEAD if not.
    const ver = revs.versions[v]
    if (revs.refs.latest && ver.sha === revs.refs.latest.sha) {
      revs['dist-tags'].latest = v
    } else if (ver.sha === HEAD.sha) {
      revs['dist-tags'].HEAD = v
      if (!revs.refs.latest) {
        revs['dist-tags'].latest = v
      }
    }
  })
  return revs
}

const refType = ref => {
  if (ref.startsWith('refs/tags/')) {
    return 'tag'
  }
  if (ref.startsWith('refs/heads/')) {
    return 'branch'
  }
  if (ref.startsWith('refs/pull/')) {
    return 'pull'
  }
  if (ref === 'HEAD') {
    return 'head'
  }
  // Could be anything, ignore for now
  /* istanbul ignore next */
  return 'other'
}

// return the doc, or null if we should ignore it.
const lineToRevDoc = line => {
  const split = line.trim().split(/\s+/, 2)
  if (split.length < 2) {
    return null
  }

const sha = split[0].trim()
  const rawRef = split[1].trim()
  const type = refType(rawRef)

if (type === 'tag') {
    // refs/tags/foo^{} is the 'peeled tag', ie the commit
    // that is tagged by refs/tags/foo they resolve to the same
    // content, just different objects in git's data structure.
    // But, we care about the thing the tag POINTS to, not the tag
    // object itself, so we only look at the peeled tag refs, and
    // ignore the pointer.
    // For now, though, we have to save both, because some tags
    // don't have peels, if they were not annotated.
    const ref = rawRef.slice('refs/tags/'.length)
    return { sha, ref, rawRef, type }
  }

if (type === 'branch') {
    const ref = rawRef.slice('refs/heads/'.length)
    return { sha, ref, rawRef, type }
  }

if (type === 'pull') {
    // NB: merged pull requests installable with #pull/123/merge
    // for the merged pr, or #pull/123 for the PR head
    const ref = rawRef.slice('refs/'.length).replace(/\/head$/, '')
    return { sha, ref, rawRef, type }
  }

if (type === 'head') {
    const ref = 'HEAD'
    return { sha, ref, rawRef, type }
  }

// at this point, all we can do is leave the ref un-munged
  return { sha, ref: rawRef, rawRef, type }
}

const linesToRevsReducer = (revs, line) => {
  const doc = lineToRevDoc(line)

if (!doc) {
    return revs
  }

revs.refs[doc.ref] = doc
  revs.refs[doc.rawRef] = doc

if (doc.type === 'tag') {
    // try to pull a semver value out of tags like `release-v1.2.3`
    // which is a pretty common pattern.
    const match = !doc.ref.endsWith('^{}') &&
      doc.ref.match(/v?(\d+\.\d+\.\d+(?:[-+].+)?)$/)
    if (match && semver.valid(match[1], true)) {
      revs.versions[semver.clean(match[1], true)] = doc
    }
  }

return revs
}

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