index.js

/* eslint-env node */
'use strict';

const path = require('path');
const RuntimeBin = require('lambda-bin');
const targetPath = path.resolve(__dirname, path.join('bin', 'git'));
const minPack = require('./git.json');

exports.prepareGit = (options) => {
 options = options || {};

 var targetDirectory = options.targetDirectory || '/tmp/git';
 var updateEnv = (options.updateEnv !== undefined) ? options.updateEnv : true;

 var GIT_TEMPLATE_DIR = path.join(targetDirectory, 'usr/share/git-core/templates');
 var GIT_EXEC_PATH = path.join(targetDirectory, 'usr/libexec/git-core');
 var LD_LIBRARY_PATH = path.join(targetDirectory, 'usr/lib64');
 var binPath = path.join(targetDirectory, 'usr/bin');

 var lambdaBinRuntime = new RuntimeBin({
 useSymlinks: true,
 targetPath,
 minPack,
 });
 return lambdaBinRuntime.applyMinPack(targetDirectory).then(() => {
 if (updateEnv) {
 process.env.PATH = process.env.PATH + ':' + binPath;
 process.env.GIT_TEMPLATE_DIR = GIT_TEMPLATE_DIR;
 process.env.GIT_EXEC_PATH = GIT_EXEC_PATH;
 process.env.LD_LIBRARY_PATH = process.env.LD_LIBRARY_PATH
 ? process.env.LD_LIBRARY_PATH + ':' + LD_LIBRARY_PATH
 : LD_LIBRARY_PATH;
 } else {
 return {
 binPath: binPath,
 env: {
 GIT_TEMPLATE_DIR: GIT_TEMPLATE_DIR,
 GIT_EXEC_PATH: GIT_EXEC_PATH,
 LD_LIBRARY_PATH: LD_LIBRARY_PATH
 }
 };
 }
 });
};