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Commit bc380e48 by Elan Ruusamäe

Update custom_hooks.md for global custom hooks and chained hook info

parent a361eb2f
......@@ -42,6 +42,25 @@ Follow the steps below to set up a custom hook:
That's it! Assuming the hook code is properly implemented the hook will fire
as appropriate.
## Chained hooks support
> [Introduced][93] in GitLab Shell 4.1.0.
The hooks could be also placed in `hooks/<hook_name>.d` (global) or `custom_hooks/<hook_name>.d` (per project)
directories supporting chained execution of the hooks.
The hooks are searched and executed in this order:
1. `<project>.git/hooks/` - symlink to `gitlab-shell/hooks` global dir
1. `<project>.git/hooks/<hook_name>` - executed by `git` itself, this is `gitlab-shell/hooks/<hook_name>`
1. `<project>.git/custom_hooks/<hook_name>` - per project hook (this is already existing behavior)
1. `<project>.git/custom_hooks/<hook_name>.d/*` - per project hooks
1. `<project>.git/hooks/<hook_name>.d/*` - global hooks: all executable files (minus editor backup files)
Files in `.d` directories need to be executable and not match the backup file pattern (`*~`).
The hooks of the same type are executed in order and execution stops on the first
script exiting with non-zero value.
## Custom error messages
> [Introduced][5073] in GitLab 8.10.
......@@ -54,3 +73,4 @@ STDERR takes precedence over STDOUT.
[hooks]: https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks#Server-Side-Hooks
[5073]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/5073
[93]: https://gitlab.com/gitlab-org/gitlab-shell/merge_requests/93
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