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Add options.env to set environment variables on macOS and Windows

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This commit is contained in:
Joran Dirk Greef 2019-06-01 17:19:31 +02:00
parent 691c1d7eae
commit dac09e3c7b
1 changed files with 57 additions and 1 deletions
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58
index.js
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@ -74,6 +74,44 @@ function Exec() {
return end(new Error('options.icns must not be empty if provided.'));
}
}
if (typeof options.env !== 'undefined') {
if (typeof options.env !== 'object') {
return end(new Error('options.env must be an object if provided.'));
} else if (Object.keys(options.env).length === 0) {
return end(new Error('options.env must not be empty if provided.'));
} else {
for (var key in options.env) {
var value = options.env[key];
if (typeof key !== 'string' || typeof value !== 'string') {
return end(
new Error('options.env environment variables must be strings.')
);
}
// "Environment variable names used by the utilities in the Shell and
// Utilities volume of IEEE Std 1003.1-2001 consist solely of uppercase
// letters, digits, and the '_' (underscore) from the characters defined
// in Portable Character Set and do not begin with a digit. Other
// characters may be permitted by an implementation; applications shall
// tolerate the presence of such names."
if (!/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(key)) {
return end(
new Error(
'options.env has an invalid environment variable name: ' +
JSON.stringify(key)
)
);
}
if (/[\r\n]/.test(value)) {
return end(
new Error(
'options.env has an invalid environment variable value: ' +
JSON.stringify(value)
)
);
}
}
}
}
var platform = Node.process.platform;
if (platform !== 'darwin' && platform !== 'linux' && platform !== 'win32') {
return end(new Error('Platform not yet supported.'));
@ -235,6 +273,11 @@ function MacCommand(instance, end) {
// This runs in a subshell and will not change the cwd of sudo-prompt-script.
var cwd = Node.process.cwd();
script.push('cd "' + EscapeDoubleQuotes(cwd) + '"');
// Export environment variables:
for (var key in instance.options.env) {
var value = EscapeDoubleQuotes(instance.options.env[key]);
script.push('export ' + key + '="' + value + '"');
}
script.push(instance.command);
script = script.join('\n');
Node.fs.writeFile(path, script, 'utf-8', end);
@ -533,8 +576,21 @@ function WindowsWriteCommandScript(instance, end) {
script.push('@echo off');
// Set code page to UTF-8:
script.push('chcp 65001>nul');
// We pass /d as an option in case the cwd is on another drive (issue 70):
// Preserve current working directory:
// We pass /d as an option in case the cwd is on another drive (issue 70).
script.push('cd /d "' + cwd + '"');
// Export environment variables:
for (var key in instance.options.env) {
// "The characters <, >, |, &, ^ are special command shell characters, and
// they must be preceded by the escape character (^) or enclosed in
// quotation marks. If you use quotation marks to enclose a string that
// contains one of the special characters, the quotation marks are set as
// part of the environment variable value."
// In other words, Windows assigns everything that follows the equals sign
// to the value of the variable, whereas Unix systems ignore double quotes.
var value = instance.options.env[key].replace(/([<>\\|&^])/g, '^$1');
script.push('set ' + key + '=' + value);
}
script.push(instance.command);
script = script.join('\r\n');
Node.fs.writeFile(instance.pathCommand, script, 'utf-8', end);