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hooks: add internal check for external hook API

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Add an internal check to make sure we always follow the API we've
documented for external authors.  Since the internal call is a bit
ad-hoc, it can be easy to miss a call site.

Change-Id: Ie8cd298d1fc34f10f3c5eb353512a3e881f42252
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/481721
Reviewed-by: Nasser Grainawi <nasser.grainawi@oss.qualcomm.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger 2025-06-05 16:53:40 -04:00 • committed by LUCI
parent 0cb88a8d79
commit 044e52e236
1 changed files with 24 additions and 0 deletions
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24
hooks.py
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@ -22,6 +22,12 @@ from error import HookError
from git_refs import HEAD
# The API we've documented to hook authors. Keep in sync with repo-hooks.md.
_API_ARGS = {
"pre-upload": {"project_list", "worktree_list"},
}
class RepoHook:
"""A RepoHook contains information about a script to run as a hook.
@ -56,6 +62,7 @@ class RepoHook:
hooks_project,
repo_topdir,
manifest_url,
bug_url=None,
bypass_hooks=False,
allow_all_hooks=False,
ignore_hooks=False,
@ -75,6 +82,7 @@ class RepoHook:
run with CWD as this directory.
If you have a manifest, this is manifest.topdir.
manifest_url: The URL to the manifest git repo.
bug_url: The URL to report issues.
bypass_hooks: If True, then 'Do not run the hook'.
allow_all_hooks: If True, then 'Run the hook without prompting'.
ignore_hooks: If True, then 'Do not abort action if hooks fail'.
@ -85,6 +93,7 @@ class RepoHook:
self._hooks_project = hooks_project
self._repo_topdir = repo_topdir
self._manifest_url = manifest_url
self._bug_url = bug_url
self._bypass_hooks = bypass_hooks
self._allow_all_hooks = allow_all_hooks
self._ignore_hooks = ignore_hooks
@ -414,6 +423,20 @@ class RepoHook:
ignore the result through the option combinations as listed in
AddHookOptionGroup().
"""
# Make sure our own callers use the documented API.
exp_kwargs = _API_ARGS.get(self._hook_type, set())
got_kwargs = set(kwargs.keys())
if exp_kwargs != got_kwargs:
print(
"repo internal error: "
f"hook '{self._hook_type}' called incorrectly\n"
f" got: {sorted(got_kwargs)}\n"
f" expected: {sorted(exp_kwargs)}\n"
f"Please file a bug: {self._bug_url}",
file=sys.stderr,
)
return False
# Do not do anything in case bypass_hooks is set, or
# no-op if there is no hooks project or if hook is disabled.
if (
@ -472,6 +495,7 @@ class RepoHook:
"manifest_url": manifest.manifestProject.GetRemote(
"origin"
).url,
"bug_url": manifest.contactinfo.bugurl,
}
)
return cls(*args, **kwargs)