add forbid-submodules hook
diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index 1a6056b..f8523d4 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -156,6 +156,12 @@
language: python
entry: forbid-new-submodules
types: [directory]
+- id: forbid-submodules
+ name: forbid submodules
+ description: forbids any submodules in the repository
+ language: fail
+ entry: 'submodules are not allowed in this repository:'
+ types: [directory]
- id: mixed-line-ending
name: mixed line ending
description: replaces or checks mixed line ending.
diff --git a/README.md b/README.md
index 411529a..1026d3f 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,12 @@
#### `forbid-new-submodules`
Prevent addition of new git submodules.
+This is intended as a helper to migrate away from submodules. If you want to
+ban them entirely use `forbid-submodules`
+
+#### `forbid-submodules`
+forbids any submodules in the repository.
+
#### `mixed-line-ending`
Replaces or checks mixed line ending.
- `--fix={auto,crlf,lf,no}`
