prepare-commit-msg

#!/usr/bin/env node

/**
 * Hooks:
 *   https://www.kernel.org/pub/software/scm/git/docs/githooks.html#_prepare_commit_msg
 *
 * Colors:
 *   http://telepathy.freedesktop.org/doc/telepathy-glib/telepathy-glib-debug-ansi.html
 *
 * Message format:
 *   FECRU-7777: Message
 */

var fs = require('fs');

var args = process.argv.slice(2);
var filename = args[0];
var source = args[1];

if (source !== 'message') {
    process.exit(0);
}

var TP_ANSI_RESET = '\x1b[0m';
var TP_ANSI_FG_RED = '\x1b[31m';
var TP_ANSI_FG_GREEN = '\x1b[32m';
var TP_ANSI_BOLD_ON = '\x1b[1m';
var TP_ANSI_BOLD_OFF = '\x1b[22m';

var ISSUE_KEY_RE = /^(([A-Z]+-\d+)|(NONE)): [a-zA-Z0-9]+/;

var message = fs.readFileSync(filename, 'utf8');
if (message.match(ISSUE_KEY_RE) === null) {
    console.log();
    console.log(TP_ANSI_FG_RED + TP_ANSI_BOLD_ON + 'ABORTING' + TP_ANSI_BOLD_OFF + TP_ANSI_RESET);
    console.log(TP_ANSI_FG_RED + TP_ANSI_BOLD_ON + '--------' + TP_ANSI_BOLD_OFF + TP_ANSI_RESET);
    console.log(TP_ANSI_FG_RED + 'Sorry dude, you have not specified issue key.' + TP_ANSI_RESET);
    console.log(TP_ANSI_FG_RED + 'Or the key you entered is not valid. It should looks like this:' + TP_ANSI_RESET);
    console.log(TP_ANSI_BOLD_ON + 'FECRU-7777: Some message' + TP_ANSI_BOLD_OFF);
    console.log();
    process.exit(1);
}

process.exit(0);