feat: create repo:default alias for repo:help

plugins/repo/internal-functions

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+repo_help_content_func () {
+  declare desc="return repo plugin help content"
+  cat<<help_content
+    repo:gc <app>, Runs 'git gc --aggressive' against the application's repo
+    repo:purge-cache <app>, Deletes the contents of the build cache stored in the repository
+help_content
+}
+
+repo_help_cmd() {
+  if [[ $1 = "repo:help" ]] ; then
+    echo -e 'Usage: dokku repo[:COMMAND]'
+    echo ''
+    echo "Runs commands that interact with the app's repo"
+    echo ''
+    echo 'Additional commands:'
+    repo_help_content_func | sort | column -c2 -t -s,
+  elif [[ $(ps -o command= $PPID) == *"--all"* ]]; then
+    repo_help_content_func
+  else
+    cat<<help_desc
+    repo, Runs commands that interact with the app's repo
+help_desc
+  fi
+}