/usr/lib/nodejs/hosted-git-info/index.js is in node-hosted-git-info 2.1.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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var url = require('url')
var gitHosts = require('./git-host-info.js')
var GitHost = module.exports = require('./git-host.js')
var protocolToRepresentationMap = {
'git+ssh': 'sshurl',
'git+https': 'https',
'ssh': 'sshurl',
'git': 'git'
}
function protocolToRepresentation (protocol) {
if (protocol.substr(-1) === ':') protocol = protocol.slice(0, -1)
return protocolToRepresentationMap[protocol] || protocol
}
var authProtocols = {
'git:': true,
'https:': true,
'git+https:': true,
'http:': true,
'git+http:': true
}
module.exports.fromUrl = function (giturl) {
if (giturl == null || giturl === '') return
var url = fixupUnqualifiedGist(
isGitHubShorthand(giturl) ? 'github:' + giturl : giturl
)
var parsed = parseGitUrl(url)
var matches = Object.keys(gitHosts).map(function (gitHostName) {
var gitHostInfo = gitHosts[gitHostName]
var auth = null
if (parsed.auth && authProtocols[parsed.protocol]) {
auth = decodeURIComponent(parsed.auth)
}
var committish = parsed.hash ? decodeURIComponent(parsed.hash.substr(1)) : null
var user = null
var project = null
var defaultRepresentation = null
if (parsed.protocol === gitHostName + ':') {
user = decodeURIComponent(parsed.host)
project = parsed.path && decodeURIComponent(parsed.path.replace(/^[/](.*?)(?:[.]git)?$/, '$1'))
defaultRepresentation = 'shortcut'
} else {
if (parsed.host !== gitHostInfo.domain) return
if (!gitHostInfo.protocols_re.test(parsed.protocol)) return
var pathmatch = gitHostInfo.pathmatch
var matched = parsed.path.match(pathmatch)
if (!matched) return
if (matched[1] != null) user = decodeURIComponent(matched[1])
if (matched[2] != null) project = decodeURIComponent(matched[2])
defaultRepresentation = protocolToRepresentation(parsed.protocol)
}
return new GitHost(gitHostName, user, auth, project, committish, defaultRepresentation)
}).filter(function (gitHostInfo) { return gitHostInfo })
if (matches.length !== 1) return
return matches[0]
}
function isGitHubShorthand (arg) {
// Note: This does not fully test the git ref format.
// See https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html
//
// The only way to do this properly would be to shell out to
// git-check-ref-format, and as this is a fast sync function,
// we don't want to do that. Just let git fail if it turns
// out that the commit-ish is invalid.
// GH usernames cannot start with . or -
return /^[^:@%/\s.-][^:@%/\s]*[/][^:@\s/%]+(?:#.*)?$/.test(arg)
}
function fixupUnqualifiedGist (giturl) {
// necessary for round-tripping gists
var parsed = url.parse(giturl)
if (parsed.protocol === 'gist:' && parsed.host && !parsed.path) {
return parsed.protocol + '/' + parsed.host
} else {
return giturl
}
}
function parseGitUrl (giturl) {
if (typeof giturl !== 'string') giturl = '' + giturl
var matched = giturl.match(/^([^@]+)@([^:]+):[/]?((?:[^/]+[/])?[^/]+?)(?:[.]git)?(#.*)?$/)
if (!matched) return url.parse(giturl)
return {
protocol: 'git+ssh:',
slashes: true,
auth: matched[1],
host: matched[2],
port: null,
hostname: matched[2],
hash: matched[4],
search: null,
query: null,
pathname: '/' + matched[3],
path: '/' + matched[3],
href: 'git+ssh://' + matched[1] + '@' + matched[2] +
'/' + matched[3] + (matched[4] || '')
}
}
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