const fs = require("fs");
const child_process = require('child_process');

module.exports = (path) => {
    try {
        const gitHEAD = fs.readFileSync(path + '/.git/HEAD', 'utf-8').trim(); // ref: refs/heads/develop
        const ref = gitHEAD.split(': ')[1];// refs/heads/develop
        const branch = gitHEAD.split('/')[2];// 环境：develop
        const buildVersion = fs.readFileSync(path + '/.git/' + ref, 'utf-8').trim(); // git版本号，例如：6ceb0ab5059d01fd444cf4e78467cc2dd1184a66
        const buildUserName = child_process.execSync('git config user.name').toString().trim();
        const buildUserMail = child_process.execSync('git config user.email').toString().trim();
        const nowDate = new Date();
        const buildDate = `${nowDate.getFullYear() + '-' + (nowDate.getMonth() + 1) + '-' + nowDate.getDate() + ' ' + nowDate.getHours() + ':' + nowDate.getMinutes()}`;
        return {
            branch,
            buildVersion,
            buildUserName,
            buildUserMail,
            buildDate
        };
    } catch (e) {
        return {}
    }
};