From c6b4874025dad2d383a63c0f202fb51577d91172 Mon Sep 17 00:00:00 2001
From: gnought <1684105+gnought@users.noreply.github.com>
Date: Sat, 7 Feb 2026 00:42:58 +0800
Subject: [PATCH] fetch tag pointing to HEAD in shallow clone

---
 pre_commit/store.py | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/pre_commit/store.py b/pre_commit/store.py
index dc90c051..e4a841bb 100644
--- a/pre_commit/store.py
+++ b/pre_commit/store.py
@@ -15,7 +15,7 @@ from pre_commit import file_lock
 from pre_commit import git
 from pre_commit.util import CalledProcessError
 from pre_commit.util import clean_path_on_failure
-from pre_commit.util import cmd_output_b
+from pre_commit.util import cmd_output
 from pre_commit.util import resource_text
 
 
@@ -174,19 +174,32 @@ class Store:
 
         return directory
 
-    def _complete_clone(self, ref: str, git_cmd: Callable[..., None]) -> None:
+    def _complete_clone(
+        self, ref: str,
+        git_cmd: Callable[..., tuple[int, str, str | None]],
+    ) -> None:
         """Perform a complete clone of a repository and its submodules """
 
         git_cmd('fetch', 'origin', '--tags')
         git_cmd('checkout', ref)
         git_cmd('submodule', 'update', '--init', '--recursive')
 
-    def _shallow_clone(self, ref: str, git_cmd: Callable[..., None]) -> None:
+    def _shallow_clone(
+        self, ref: str,
+        git_cmd: Callable[..., tuple[int, str, str | None]],
+    ) -> None:
         """Perform a shallow clone of a repository and its submodules """
 
         git_config = 'protocol.version=2'
         git_cmd('-c', git_config, 'fetch', 'origin', ref, '--depth=1')
         git_cmd('checkout', 'FETCH_HEAD')
+        rev = git_cmd('rev-parse', 'FETCH_HEAD')[1].strip()
+        lines = git_cmd('ls-remote', '--heads', 'origin')[1].splitlines()
+        for line in lines:
+            if line.startswith(rev):
+                tag_name = line.rsplit('/', 1)[-1]
+                git_cmd('fetch', 'origin', 'tag', tag_name, '--no-tags')
+                break
         git_cmd(
             '-c', git_config, 'submodule', 'update', '--init', '--recursive',
             '--depth=1',
@@ -199,8 +212,8 @@ class Store:
             git.init_repo(directory, repo)
             env = git.no_git_env()
 
-            def _git_cmd(*args: str) -> None:
-                cmd_output_b('git', *args, cwd=directory, env=env)
+            def _git_cmd(*args: str) -> tuple[int, str, str | None]:
+                return cmd_output('git', *args, cwd=directory, env=env)
 
             try:
                 self._shallow_clone(ref, _git_cmd)