91 lines
2.1 KiB
JavaScript
91 lines
2.1 KiB
JavaScript
'use strict'
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var dargs = require('dargs')
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var execFile = require('child_process').execFile
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var split = require('split2')
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var stream = require('stream')
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var template = require('lodash.template')
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var through = require('through2')
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var DELIMITER = '------------------------ >8 ------------------------'
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function normalizeExecOpts (execOpts) {
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execOpts = execOpts || {}
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execOpts.cwd = execOpts.cwd || process.cwd()
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return execOpts
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}
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function normalizeGitOpts (gitOpts) {
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gitOpts = gitOpts || {}
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gitOpts.format = gitOpts.format || '%B'
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gitOpts.from = gitOpts.from || ''
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gitOpts.to = gitOpts.to || 'HEAD'
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return gitOpts
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}
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function getGitArgs (gitOpts) {
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var gitFormat = template('--format=<%= format %>%n' + DELIMITER)(gitOpts)
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var gitFromTo = [gitOpts.from, gitOpts.to].filter(Boolean).join('..')
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var gitArgs = ['log', gitFormat, gitFromTo]
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// allow commits to focus on a single directory
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// this is useful for monorepos.
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if (gitOpts.path) {
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gitArgs.push('--', gitOpts.path)
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}
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return gitArgs.concat(dargs(gitOpts, {
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excludes: ['debug', 'from', 'to', 'format', 'path']
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}))
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}
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function gitRawCommits (rawGitOpts, rawExecOpts) {
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var readable = new stream.Readable()
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readable._read = function () {}
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var gitOpts = normalizeGitOpts(rawGitOpts)
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var execOpts = normalizeExecOpts(rawExecOpts)
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var args = getGitArgs(gitOpts)
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if (gitOpts.debug) {
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gitOpts.debug('Your git-log command is:\ngit ' + args.join(' '))
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}
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var isError = false
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var child = execFile('git', args, {
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cwd: execOpts.cwd,
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maxBuffer: Infinity
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})
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child.stdout
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.pipe(split(DELIMITER + '\n'))
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.pipe(through(function (chunk, enc, cb) {
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readable.push(chunk)
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isError = false
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cb()
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}, function (cb) {
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setImmediate(function () {
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if (!isError) {
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readable.push(null)
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readable.emit('close')
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}
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cb()
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})
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}))
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child.stderr
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.pipe(through.obj(function (chunk) {
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isError = true
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readable.emit('error', new Error(chunk))
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readable.emit('close')
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}))
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return readable
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}
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module.exports = gitRawCommits
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