Allow CLI options to direct the archiver to a folder to package as the lambda (#158)

Author: robpre

README.md

@@ -136,6 +136,7 @@ $ node-lambda deploy --help
     -D, --prebuiltDirectory []                 Prebuilt directory
     -z, --deployZipfile []                     Deploy zipfile
     -T, --deployTimeout [120000]               Deploy Timeout
+    -G, --sourceDirectory [.]                  Path to lambda source Directory (e.g. "./some-lambda")
 ```
 
 ## Custom Environment Variables

bin/node-lambda

@@ -71,6 +71,7 @@ var EVENT_FILE = process.env.EVENT_FILE || 'event.json';
 var PACKAGE_DIRECTORY = process.env.PACKAGE_DIRECTORY;
 var CONTEXT_FILE = process.env.CONTEXT_FILE || 'context.json';
 var PREBUILT_DIRECTORY = process.env.PREBUILT_DIRECTORY || '';
+var SRC_DIRECTORY = process.env.SRC_DIRECTORY || '';
 var DEPLOY_TIMEOUT = process.env.DEPLOY_TIMEOUT || 120000;
 var DOCKER_IMAGE = process.env.DOCKER_IMAGE || '';
 var DEPLOY_ZIPFILE = process.env.DEPLOY_ZIPFILE || '';
@@ -110,6 +111,7 @@ program
   .option('-T, --tracingConfig [' + AWS_TRACING_CONFIG + ']', 'Lambda tracing settings',
     AWS_TRACING_CONFIG)
   .option('-A, --packageDirectory [' + PACKAGE_DIRECTORY + ']', 'Local Package Directory', PACKAGE_DIRECTORY)
+  .option('-G, --sourceDirectory [' + SRC_DIRECTORY + ']', 'Path to lambda source Directory (e.g. "./some-lambda")', SRC_DIRECTORY)
   .option('-I, --dockerImage [' + DOCKER_IMAGE + ']', 'Docker image for npm install', DOCKER_IMAGE)
   .option('-f, --configFile [' + CONFIG_FILE + ']',
     'Path to file holding secret environment variables (e.g. "deploy.env")', CONFIG_FILE)

lib/main.js

@@ -512,6 +512,7 @@ Lambda.prototype._buildAndArchive = function (program, archive_callback) {
 
   var _this = this;
   var codeDirectory = _this._codeDirectory(program);
+  var lambdaSrcDirectory = program.sourceDirectory ? program.sourceDirectory.replace(/\/$/, '') : '.';
 
   _this._cleanDirectory(codeDirectory, function (err) {
     if (err) {
@@ -528,7 +529,7 @@ Lambda.prototype._buildAndArchive = function (program, archive_callback) {
       copyFunction = '_rsync';
     }
     // Move files to tmp folder
-    _this[copyFunction](program, '.', codeDirectory, true, function (err) {
+    _this[copyFunction](program, lambdaSrcDirectory, codeDirectory, true, function (err) {
       if (err) {
         return archive_callback(err);
       }