1 files changed, 125 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/parse.js b/node_modules/cross-spawn/lib/parse.js
new file mode 100644
index 0000000..962827a
--- /dev/null
+++ b/node_modules/cross-spawn/lib/parse.js
@@ -0,0 +1,125 @@
+'use strict';
+
+const path = require('path');
+const niceTry = require('nice-try');
+const resolveCommand = require('./util/resolveCommand');
+const escape = require('./util/escape');
+const readShebang = require('./util/readShebang');
+const semver = require('semver');
+
+const isWin = process.platform === 'win32';
+const isExecutableRegExp = /\.(?:com|exe)$/i;
+const isCmdShimRegExp = /node_modules[\\/].bin[\\/][^\\/]+\.cmd$/i;
+
+// `options.shell` is supported in Node ^4.8.0, ^5.7.0 and >= 6.0.0
+const supportsShellOption = niceTry(() => semver.satisfies(process.version, '^4.8.0 || ^5.7.0 || >= 6.0.0', true)) || false;
+
+function detectShebang(parsed) {
+    parsed.file = resolveCommand(parsed);
+
+    const shebang = parsed.file && readShebang(parsed.file);
+
+    if (shebang) {
+        parsed.args.unshift(parsed.file);
+        parsed.command = shebang;
+
+        return resolveCommand(parsed);
+    }
+
+    return parsed.file;
+}
+
+function parseNonShell(parsed) {
+    if (!isWin) {
+        return parsed;
+    }
+
+    // Detect & add support for shebangs
+    const commandFile = detectShebang(parsed);
+
+    // We don't need a shell if the command filename is an executable
+    const needsShell = !isExecutableRegExp.test(commandFile);
+
+    // If a shell is required, use cmd.exe and take care of escaping everything correctly
+    // Note that `forceShell` is an hidden option used only in tests
+    if (parsed.options.forceShell || needsShell) {
+        // Need to double escape meta chars if the command is a cmd-shim located in `node_modules/.bin/`
+        // The cmd-shim simply calls execute the package bin file with NodeJS, proxying any argument
+        // Because the escape of metachars with ^ gets interpreted when the cmd.exe is first called,
+        // we need to double escape them
+        const needsDoubleEscapeMetaChars = isCmdShimRegExp.test(commandFile);
+
+        // Normalize posix paths into OS compatible paths (e.g.: foo/bar -> foo\bar)
+        // This is necessary otherwise it will always fail with ENOENT in those cases
+        parsed.command = path.normalize(parsed.command);
+
+        // Escape command & arguments
+        parsed.command = escape.command(parsed.command);
+        parsed.args = parsed.args.map((arg) => escape.argument(arg, needsDoubleEscapeMetaChars));
+
+        const shellCommand = [parsed.command].concat(parsed.args).join(' ');
+
+        parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`];
+        parsed.command = process.env.comspec || 'cmd.exe';
+        parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped
+    }
+
+    return parsed;
+}
+
+function parseShell(parsed) {
+    // If node supports the shell option, there's no need to mimic its behavior
+    if (supportsShellOption) {
+        return parsed;
+    }
+
+    // Mimic node shell option
+    // See https://github.com/nodejs/node/blob/b9f6a2dc059a1062776133f3d4fd848c4da7d150/lib/child_process.js#L335
+    const shellCommand = [parsed.command].concat(parsed.args).join(' ');
+
+    if (isWin) {
+        parsed.command = typeof parsed.options.shell === 'string' ? parsed.options.shell : process.env.comspec || 'cmd.exe';
+        parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`];
+        parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped
+    } else {
+        if (typeof parsed.options.shell === 'string') {
+            parsed.command = parsed.options.shell;
+        } else if (process.platform === 'android') {
+            parsed.command = '/system/bin/sh';
+        } else {
+            parsed.command = '/bin/sh';
+        }
+
+        parsed.args = ['-c', shellCommand];
+    }
+
+    return parsed;
+}
+
+function parse(command, args, options) {
+    // Normalize arguments, similar to nodejs
+    if (args && !Array.isArray(args)) {
+        options = args;
+        args = null;
+    }
+
+    args = args ? args.slice(0) : []; // Clone array to avoid changing the original
+    options = Object.assign({}, options); // Clone object to avoid changing the original
+
+    // Build our parsed object
+    const parsed = {
+        command,
+        args,
+        options,
+        file: undefined,
+        original: {
+            command,
+            args,
+        },
+    };
+
+    // Delegate further parsing to shell or non-shell
+    return options.shell ? parseShell(parsed) : parseNonShell(parsed);
+}
+
+module.exports = parse;