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