From c4c7886037f816460c9ac74c267bf9e56a9126cf Mon Sep 17 00:00:00 2001
From: Josh Manders <josh@joshmanders.com>
Date: Thu, 17 Nov 2016 12:55:08 -0600
Subject: [PATCH] add plugin uninstall trigger

---
 docs/development/plugin-triggers.md | 15 +++++++++++++++
 plugins/plugin/functions            |  1 +
 2 files changed, 16 insertions(+)

diff --git a/docs/development/plugin-triggers.md b/docs/development/plugin-triggers.md
index 846c6fecd..b19d8f184 100644
--- a/docs/development/plugin-triggers.md
+++ b/docs/development/plugin-triggers.md
@@ -866,6 +866,21 @@ APP="$1"; IMAGE_TAG="$2"
 some code to remove a docker hub tag because it's not implemented in the CLI....
 ```
 
+### `uninstall`
+ - Description: Used to cleanup after itself.
+ - Invoked by: `dokku plugin:uninstall`
+ - Arguments: None
+ - Example:
+
+ ```shell
+ #!/usr/bin/env bash
+ # Cleanup up extra containers created
+
+ set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+ docker rmi -f "${PLUGIN_IMAGE_DEPENDENCY}"
+ ```
+
 ### `update`
 
 - Description: Can be used to run plugin updates on a regular interval. You can schedule the invoker in a cron-task to ensure your system gets regular updates.
diff --git a/plugins/plugin/functions b/plugins/plugin/functions
index be9bf6d16..abed5c29b 100755
--- a/plugins/plugin/functions
+++ b/plugins/plugin/functions
@@ -70,6 +70,7 @@ uninstall_plugin() {
   local PLUGIN="$1"
   [[ -e $PLUGIN_CORE_AVAILABLE_PATH/$PLUGIN ]] && dokku_log_fail "Cannot uninstall a core plugin"
   [[ ! -e $PLUGIN_AVAILABLE_PATH/$PLUGIN ]] && dokku_log_fail "Plugin ($PLUGIN) is not currently installed"
+  plugn trigger uninstall
   plugn uninstall "$PLUGIN"
   dokku_log_info1_quiet "Plugin $PLUGIN uninstalled"
 }