Add local config repo capability

Author: sichapman

README.md

@@ -32,6 +32,8 @@ To begin:
 
 **TIP:** You can add a # onto the end of the configuration repository location followed by a branch, tag or commit you want to check out, if the default branch is not good enough.
 
+**TIP:** You can specify 'local' instead of a git URL to manage your application list locally without relying on an external Git repository. This is useful when you want complete control over your configuration or are working on a new service that does not have a remote config repo yet. The dev-env will create the `dev-env-config` directory and a default `configuration.yml` will be created with an empty services list. You can then manually add applications to that list, optionally utilising the `repo: none` functionality talked about in the next section.
+
 Other `run.sh` parameters are:
 
 - `halt` - stops all containers

logic.rb

@@ -123,20 +123,35 @@
     config_repo = $stdin.gets.chomp
     File.open(DEV_ENV_CONTEXT_FILE, 'w+') { |file| file.write(config_repo) }
   end
-
+  
+  config_repo = File.read(DEV_ENV_CONTEXT_FILE)
   # Check if dev-env-config exists, and if so pull the dev-env configuration. Otherwise clone it.
   if Dir.exist?(DEV_ENV_CONFIG_DIR)
     new_project = false
-    command_successful = run_command("git -C #{root_loc}/dev-env-config pull")
+    if config_repo == "local"
+      command_successful = 0
+    else
+      command_successful = run_command("git -C #{root_loc}/dev-env-config pull")
+    end
   else
     new_project = true
-    config_repo = File.read(DEV_ENV_CONTEXT_FILE)
     parsed_repo, delimiter, ref = config_repo.rpartition('#')
     # If they didn't specify a #ref, rpartition returns "", "", wholestring
     parsed_repo = ref if delimiter.empty?
-    command_successful = run_command("git clone #{parsed_repo} #{root_loc}/dev-env-config")
-    if command_successful.zero? && !delimiter.empty?
-      command_successful = run_command("git -C #{root_loc}/dev-env-config checkout #{ref}")
+    if config_repo == "local"
+      puts colorize_lightblue("Initializing local config repository.")
+      run_command("mkdir #{DEV_ENV_CONFIG_DIR}")
+      # Create a configuration.yml with an empty services array
+      File.open("#{DEV_ENV_CONFIG_DIR}/configuration.yml", 'w') do |file|
+        file.write("---\nservices: {}\n")
+      end
+      puts colorize_green("You can start adding apps to #{DEV_ENV_CONFIG_DIR}/configuration.yml")
+      exit 1
+    else
+      command_successful = run_command("git clone #{parsed_repo} #{DEV_ENV_CONFIG_DIR}")
+      if command_successful.zero? && !delimiter.empty?
+        command_successful = run_command("git -C #{DEV_ENV_CONFIG_DIR} checkout #{ref}")
+      end
     end
   end