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/opt/alt/alt-nodejs22/root/usr/lib/node_modules/npm/node_modules/bin-links/lib/fix-bin.js

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// make sure that bins are executable, and that they don't have
// windows line-endings on the hashbang line.
const {
  chmod,
  open,
  readFile,
} = require('fs/promises')

const execMode = 0o777 & (~process.umask())

const writeFileAtomic = require('write-file-atomic')

const isWindowsHashBang = buf =>
  buf[0] === '#'.charCodeAt(0) &&
  buf[1] === '!'.charCodeAt(0) &&
  /^#![^\n]+\r\n/.test(buf.toString())

const isWindowsHashbangFile = file => {
  const FALSE = () => false
  return open(file, 'r').then(fh => {
    const buf = Buffer.alloc(2048)
    return fh.read(buf, 0, 2048, 0)
      .then(
        () => {
          const isWHB = isWindowsHashBang(buf)
          return fh.close().then(() => isWHB, () => isWHB)
        },
        // don't leak FD if read() fails
        () => fh.close().then(FALSE, FALSE)
      )
  }, FALSE)
}

const dos2Unix = file =>
  readFile(file, 'utf8').then(content =>
    writeFileAtomic(file, content.replace(/^(#![^\n]+)\r\n/, '$1\n')))

const fixBin = (file, mode = execMode) => chmod(file, mode)
  .then(() => isWindowsHashbangFile(file))
  .then(isWHB => isWHB ? dos2Unix(file) : null)

module.exports = fixBin

Exit & Reset Text mode: syntax highlighting auto-detects file type.

Name	Size	Perms	Modified	Actions
bin-target.js	329 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
check-bin.js	2.02 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
check-bins.js	493 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
fix-bin.js	1.13 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
get-node-modules.js	534 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
get-paths.js	1.22 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
get-prefix.js	147 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
index.js	1.33 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
is-windows.js	118 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
link-bin.js	343 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
link-bins.js	775 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
link-gently.js	2.69 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
link-mans.js	1.50 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
man-target.js	232 B	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
shim-bin.js	2.05 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive

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