62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
'use strict';
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const isWindows = require("is-windows")
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const path = require("path")
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const {debug} = require("../debug")
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const {isNode} = require("../exe-type")
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const whichOrUndefined = require("../which-or-undefined")
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/**
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* Intercepts Node and npm processes spawned through a Linux shell.
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*
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* @param workingDir {string} Absolute system-dependent path to the directory containing the shim files.
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* @param options {import("../munge").InternalSpawnOptions} Original internal spawn options.
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* @return {import("../munge").InternalSpawnOptions} Updated internal spawn options.
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*/
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function mungeSh(workingDir, options) {
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const cmdi = options.args.indexOf('-c')
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if (cmdi === -1) {
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return {...options} // no -c argument
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}
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let c = options.args[cmdi + 1]
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const re = /^\s*((?:[^\= ]*\=[^\=\s]*)*[\s]*)([^\s]+|"[^"]+"|'[^']+')( .*)?$/
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const match = c.match(re)
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if (match === null) {
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return {...options} // not a command invocation. weird but possible
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}
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let command = match[2]
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// strip quotes off the command
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const quote = command.charAt(0)
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if ((quote === '"' || quote === '\'') && command.endsWith(quote)) {
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command = command.slice(1, -1)
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}
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const exe = path.basename(command)
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let newArgs = [...options.args];
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// Remember the original Node command to use it in the shim
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let originalNode;
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const workingNode = path.join(workingDir, 'node')
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if (isNode(exe)) {
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originalNode = command
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c = `${match[1]}${match[2]} "${workingNode}" ${match[3]}`
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newArgs[cmdi + 1] = c
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} else if (exe === 'npm' && !isWindows()) {
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// XXX this will exhibit weird behavior when using /path/to/npm,
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// if some other npm is first in the path.
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const npmPath = whichOrUndefined('npm')
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if (npmPath) {
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c = c.replace(re, `$1 "${workingNode}" "${npmPath}" $3`)
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newArgs[cmdi + 1] = c
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debug('npm munge!', c)
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}
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}
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return {...options, args: newArgs, originalNode};
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}
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module.exports = mungeSh
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