From 0498a707c8f0ff17a26afb8b3c8270bc5fb76ecd Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <email@josediazgonzalez.com>
Date: Thu, 27 Dec 2018 04:58:43 -0500
Subject: [PATCH] fix: Add a trigger to allow plugins to cleanup after a new
 clone is created

---
 docs/development/plugin-triggers.md    | 15 +++++++++++++++
 plugins/20_events/post-app-clone-setup |  1 +
 plugins/apps/subcommands/clone         |  1 +
 3 files changed, 17 insertions(+)
 create mode 120000 plugins/20_events/post-app-clone-setup

diff --git a/docs/development/plugin-triggers.md b/docs/development/plugin-triggers.md
index 6bf29a48f..8c7986b04 100644
--- a/docs/development/plugin-triggers.md
+++ b/docs/development/plugin-triggers.md
@@ -559,6 +559,21 @@ set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 # TODO
 ```
 
+### `post-app-clone-setup`
+
+- Description: Allows you to run commands after an app is setup, and before it is rebuild. This is useful for cleaning up tasks, or ensuring configuration from an old app is copied to the new app
+- Invoked by: `dokku apps:clone`
+- Arguments: `$OLD_APP_NAME $NEW_APP_NAME`
+- Example:
+
+```shell
+#!/usr/bin/env bash
+
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+# TODO
+```
+
 ### `post-app-rename`
 
 - Description: Allows you to run commands after an app was renamed.
diff --git a/plugins/20_events/post-app-clone-setup b/plugins/20_events/post-app-clone-setup
new file mode 120000
index 000000000..5178a749f
--- /dev/null
+++ b/plugins/20_events/post-app-clone-setup
@@ -0,0 +1 @@
+hook
\ No newline at end of file
diff --git a/plugins/apps/subcommands/clone b/plugins/apps/subcommands/clone
index 8076c0668..e31c828ff 100755
--- a/plugins/apps/subcommands/clone
+++ b/plugins/apps/subcommands/clone
@@ -39,6 +39,7 @@ apps_clone_cmd() {
   pushd "$DOKKU_ROOT/$OLD_APP/." > /dev/null
   find ./* -not \( -name .cache \) | grep -v "./cache" | cpio -pdmu --quiet "$DOKKU_ROOT/$NEW_APP"
   popd > /dev/null 2>&1 || pushd "/tmp" > /dev/null
+  plugn trigger post-app-clone-setup "$OLD_APP" "$NEW_APP"
 
   if [[ -d "$NEW_CACHE_DIR" ]] && ! rmdir "$NEW_CACHE_DIR"; then
     docker run "$DOKKU_GLOBAL_RUN_ARGS" --rm -v "$NEW_CACHE_HOST_DIR:/cache" "dokku/$OLD_APP" chmod 777 -R /cache