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29122506be
Move HOOK_VERSION into the githook package and export it as githook.HookVersion, so tailscale/corp can reference it via the shared-code bump instead of having to bump HOOK_VERSION by hand. New launcher.sh composes the wanted version from 2 sources: the shared HOOK_VERSION and an optional repo local version, misc/git_hook/HOOK_VERSION, for repo-specific config bumps. Updates tailscale/corp#40381 Change-Id: I7cf16889ba53cb564cc2df7dfd7588748f542c55 Signed-off-by: Fernando Serboncini <fserb@tailscale.com>
36 lines
1.0 KiB
Markdown
36 lines
1.0 KiB
Markdown
# git_hook
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Tailscale's git hooks.
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The shared logic lives in the `githook/` package and is also imported by
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`tailscale/corp`.
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## Install
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From the repo root:
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./tool/go run ./misc/install-git-hooks.go
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The script auto-updates in the future.
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## Adding your own hooks
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Create an executable `.git/hooks/<hook-name>.local` to chain a custom
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script after a built-in hook. For example, put a custom check in
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`.git/hooks/pre-commit.local` and `chmod +x` it. The local hook runs
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only if the built-in hook succeeds; failure aborts the git operation.
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## Version bumps
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The launcher rebuilds when the installed binary's version differs from
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the concatenation of two files:
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* `githook/HOOK_VERSION` (shared): bump when changing anything under
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`githook/` or `git-hook.go`. Downstream repos pick it up after
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bumping their `tailscale.com` dependency.
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* `misc/git_hook/HOOK_VERSION` (repo-local, optional): bump to force a
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rebuild for repo-specific config changes without touching the shared
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version. This repo does not use one.
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