#!/usr/bin/env node
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'use strict'
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const fs = require('fs')
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// Force colors for packages that depend on https://www.npmjs.com/package/supports-color
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const { supportsColor } = require('chalk')
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if (supportsColor && supportsColor.level) {
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process.env.FORCE_COLOR = supportsColor.level.toString()
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}
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// Do not terminate main Listr process on SIGINT
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process.on('SIGINT', () => {})
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const pkg = require('../package.json')
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require('please-upgrade-node')(
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Object.assign({}, pkg, {
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engines: {
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node: '>=10.13.0', // First LTS release of 'Dubnium'
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},
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})
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)
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const cmdline = require('commander')
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const debugLib = require('debug')
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const lintStaged = require('../lib')
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const { CONFIG_STDIN_ERROR } = require('../lib/messages')
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const debug = debugLib('lint-staged:bin')
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cmdline
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.version(pkg.version)
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.option('--allow-empty', 'allow empty commits when tasks revert all staged changes', false)
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.option('-c, --config [path]', 'path to configuration file, or - to read from stdin')
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.option('-d, --debug', 'print additional debug information', false)
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.option('--no-stash', 'disable the backup stash, and do not revert in case of errors', false)
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.option(
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'-p, --concurrent <parallel tasks>',
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'the number of tasks to run concurrently, or false to run tasks serially',
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true
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)
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.option('-q, --quiet', 'disable lint-staged’s own console output', false)
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.option('-r, --relative', 'pass relative filepaths to tasks', false)
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.option('-x, --shell', 'skip parsing of tasks for better shell support', false)
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.option(
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'-v, --verbose',
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'show task output even when tasks succeed; by default only failed output is shown',
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false
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)
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.parse(process.argv)
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if (cmdline.debug) {
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debugLib.enable('lint-staged*')
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}
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debug('Running `lint-staged@%s`', pkg.version)
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/**
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* Get the maximum length of a command-line argument string based on current platform
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*
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* https://serverfault.com/questions/69430/what-is-the-maximum-length-of-a-command-line-in-mac-os-x
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* https://support.microsoft.com/en-us/help/830473/command-prompt-cmd-exe-command-line-string-limitation
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* https://unix.stackexchange.com/a/120652
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*/
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const getMaxArgLength = () => {
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switch (process.platform) {
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case 'darwin':
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return 262144
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case 'win32':
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return 8191
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default:
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return 131072
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}
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}
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const options = {
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allowEmpty: !!cmdline.allowEmpty,
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concurrent: cmdline.concurrent,
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configPath: cmdline.config,
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debug: !!cmdline.debug,
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maxArgLength: getMaxArgLength() / 2,
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stash: !!cmdline.stash, // commander inverts `no-<x>` flags to `!x`
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quiet: !!cmdline.quiet,
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relative: !!cmdline.relative,
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shell: !!cmdline.shell,
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verbose: !!cmdline.verbose,
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}
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debug('Options parsed from command-line:', options)
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if (options.configPath === '-') {
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delete options.configPath
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try {
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options.config = fs.readFileSync(process.stdin.fd, 'utf8').toString().trim()
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} catch {
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console.error(CONFIG_STDIN_ERROR)
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process.exit(1)
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}
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try {
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options.config = JSON.parse(options.config)
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} catch {
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// Let config parsing complain if it's not JSON
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}
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}
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lintStaged(options)
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.then((passed) => {
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process.exitCode = passed ? 0 : 1
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})
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.catch(() => {
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process.exitCode = 1
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})
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