Remove hadolint and add deprecation notice

.pre-commit-hooks.yaml

@@ -5,15 +5,17 @@
   language: script
   entry: compose-check.sh
   files: docker-compose.y[a]{0,1}ml$
+
 - id: hadolint
   name: Lint Dockerfiles
-  description: Runs hadolint Docker image to lint Dockerfiles
-  language: docker_image
-  entry: hadolint/hadolint hadolint
+  description: Deprecated! Runs hadolint Docker image to lint Dockerfiles
+  language: script
+  entry: hadolint-deprecation.sh
   files: Dockerfile
+
 - id: hadolint-system
   name: Lint Dockerfiles
-  description: Runs system hadolint to lint Dockerfiles
-  language: system
-  entry: hadolint
+  description: Deprecated! Runs system hadolint to lint Dockerfiles
+  language: script
+  entry: hadolint-deprecation.sh
   files: Dockerfile

README.md

@@ -7,8 +7,5 @@ A set of [pre-commit](http://pre-commit.com) hooks for Docker services
 ### docker-compose-check
 Verifies that docker-compose files are valid by using `docker-compose config` to parse them.
 
-### hadolint
-Uses the [hadolint Docker image](https://hub.docker.com/r/hadolint/hadolint) to lint Dockerfiles.
-
-### hadolint-system
-Uses the whatever version of hadolint that you have installed to lint Dockerfiles. This requires you to have hadolint installed somewhere in your path.
+### hadolint (Removed)
+These hooks have been removed in favor of the ones that have been added to https://github.com/hadolint/hadolint

hadolint-deprecation.sh

@@ -0,0 +1,8 @@
+#! /bin/sh
+
+echo "Hadolint hooks have been deprecated in favor of upstream"
+echo "repo: https://github.com/hadolint/hadolint"
+echo "Replace hook 'hadolint' with 'hadolint-docker'"
+echo "Replace hook 'hadolint-system' with 'hadolint'"
+
+exit 1