subcommand restructure and bashstyle refactor. closes #1579

plugins/apps/subcommands/rename

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+
+apps_rename_cmd() {
+  local desc="renames an app"
+  local cmd="apps:rename"
+  [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
+  [[ -d "$DOKKU_ROOT/$3" ]] && dokku_log_fail "Name is already taken"
+  local OLD_APP="$2"
+  local NEW_APP="$3"
+
+  mkdir -p "$DOKKU_ROOT/$NEW_APP"
+  docker run "$DOKKU_GLOBAL_RUN_ARGS" --rm -v "$DOKKU_ROOT/$OLD_APP/cache:/cache" "dokku/$OLD_APP" chmod 777 -R /cache
+  rm -rf "$DOKKU_ROOT/$OLD_APP/cache"
+  cp -a "$DOKKU_ROOT/$OLD_APP/." "$DOKKU_ROOT/$NEW_APP"
+  dokku apps:destroy "$OLD_APP" --force
+  sed -i -e "s/$OLD_APP/$NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/URLS"
+  sed -i -e "s/$OLD_APP/$NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/VHOST"
+  sed -i -e "s/git-hook $OLD_APP/git-hook $NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/hooks/pre-receive"
+  dokku ps:rebuild "$NEW_APP"
+  plugn trigger post-app-rename "$OLD_APP" "$NEW_APP"
+  echo "Renaming $OLD_APP to $NEW_APP... done"
+}
+
+apps_rename_cmd "$@"