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import { execSync, spawn } from 'child_process';
import path from 'path';
import { writeFileSync, openSync, closeSync } from 'fs';
import dedent from 'dedent';
export { commit };
/**
* Asynchronously git commit at a given path with a message
*/
function commit (repoPath, message, options, done) {
let called = false;
// commit the file by spawning a git process, unless the --hook
// option was provided. in that case, write the commit message into
// the .git/COMMIT_EDITMSG file
if (!options.hookMode) {
let args = ['commit', '-m', dedent(message), ...(options.args || [])];
let child = spawn('git', args, {
cwd: repoPath,
stdio: options.quiet ? 'ignore' : 'inherit'
});
child.on('error', function (err) {
if (called) return;
called = true;
done(err);
});
child.on('exit', function (code, signal) {
if (called) return;
called = true;
if (code) {
if (code === 128) {
console.warn(`
Git exited with code 128. Did you forget to run:
git config --global user.email "you@example.com"
git config --global user.name "Your Name"
`)
}
done(Object.assign(new Error(`git exited with error code ${code}`), { code, signal }));
} else {
done(null);
}
});
} else {
const gitDirPath = execSync(
'git rev-parse --absolute-git-dir',
{ cwd: repoPath, encoding: 'utf8' },
).trim();
const commitFilePath = path.join(gitDirPath, 'COMMIT_EDITMSG');
try {
const fd = openSync(commitFilePath, 'w');
try {
writeFileSync(fd, dedent(message));
done(null);
} catch (e) {
done(e);
} finally {
closeSync(fd);
}
} catch (e) {
// windows doesn't allow opening existing hidden files
// in 'w' mode... but it does let you do 'r+'!
try {
const fd = openSync(commitFilePath, 'r+');
try {
writeFileSync(fd, dedent(message));
done(null);
} catch (e) {
done(e);
} finally {
closeSync(fd);
}
} catch (e) {
done(e);
}
}
}
}