Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
52 lines (43 sloc) 1.52 KB
'use strict';
const path = require('path');
const which = require('which');
const getPathKey = require('path-key');
function resolveCommandAttempt(parsed, withoutPathExt) {
const env = parsed.options.env || process.env;
const cwd = process.cwd();
const hasCustomCwd = parsed.options.cwd != null;
// Worker threads do not have process.chdir()
const shouldSwitchCwd = hasCustomCwd && process.chdir !== undefined && !process.chdir.disabled;
// If a custom `cwd` was specified, we need to change the process cwd
// because `which` will do stat calls but does not support a custom cwd
if (shouldSwitchCwd) {
try {
process.chdir(parsed.options.cwd);
} catch (err) {
/* Empty */
}
}
let resolved;
try {
resolved = which.sync(parsed.command, {
path: env[getPathKey({ env })],
pathExt: withoutPathExt ? path.delimiter : undefined,
});
} catch (e) {
/* Empty */
} finally {
if (shouldSwitchCwd) {
process.chdir(cwd);
}
}
// If we successfully resolved, ensure that an absolute path is returned
// Note that when a custom `cwd` was used, we need to resolve to an absolute path based on it
if (resolved) {
resolved = path.resolve(hasCustomCwd ? parsed.options.cwd : '', resolved);
}
return resolved;
}
function resolveCommand(parsed) {
return resolveCommandAttempt(parsed) || resolveCommandAttempt(parsed, true);
}
module.exports = resolveCommand;