From 1be141257075b6fa9954902e71aa3c66c311cb04 Mon Sep 17 00:00:00 2001
From: Peter Siska <pesche@gridonic.ch>
Date: Thu, 30 Jun 2016 16:43:24 +0200
Subject: [PATCH] Add a slack_skip_notification environment variable to disable
 notifications in the slack task

---
 docs/slack.md | 4 ++++
 slack.php     | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/docs/slack.md b/docs/slack.md
index cc76213..f55d2e6 100644
--- a/docs/slack.md
+++ b/docs/slack.md
@@ -8,6 +8,10 @@
 require 'vendor/deployer/recipes/slack.php';
 ```
 
+### Environmental variables
+
+- **slack_skip_notification** - Skips the entire task when set to `true`. This is particularly useful if you want to disable slack notifications for certain stages.
+
 ### Configuration options
 
 - **slack** *(required)*: accepts an *array* with the api token and team name. Token can be generated on [slack api website](https://api.slack.com/docs/oauth-test-tokens).
diff --git a/slack.php b/slack.php
index 2ec93ce..1a1c714 100644
--- a/slack.php
+++ b/slack.php
@@ -18,6 +18,10 @@
 
 desc('Notifying Slack channel of deployment');
 task('deploy:slack', function () {
+    if (true === env('slack_skip_notification')) {
+        return;
+    }
+
     global $php_errormsg;
 
     $defaultConfig = [