# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1641569411 -3600
# Node ID 497c2655c71ea21eff0f6a6b8430c90a1e5a8dbc
# Parent  bf424fe4f814c411d614530b7a7213d0c0a63d4e
largefiles: take lock before writing requirements

With `share-safe`, we will also write file in the store. We now take the `lock`
as needed.

Differential Revision: https://phab.mercurial-scm.org/D11992

diff -r bf424fe4f814 -r 497c2655c71e hgext/largefiles/reposetup.py
--- a/hgext/largefiles/reposetup.py	Fri Jan 07 17:33:27 2022 +0100
+++ b/hgext/largefiles/reposetup.py	Fri Jan 07 16:30:11 2022 +0100
@@ -455,11 +455,12 @@
     repo.prepushoutgoinghooks.add(b"largefiles", prepushoutgoinghook)
 
     def checkrequireslfiles(ui, repo, **kwargs):
-        if b'largefiles' not in repo.requirements and any(
-            lfutil.shortname + b'/' in f[1] for f in repo.store.datafiles()
-        ):
-            repo.requirements.add(b'largefiles')
-            scmutil.writereporequirements(repo)
+        with repo.lock():
+            if b'largefiles' not in repo.requirements and any(
+                lfutil.shortname + b'/' in f[1] for f in repo.store.datafiles()
+            ):
+                repo.requirements.add(b'largefiles')
+                scmutil.writereporequirements(repo)
 
     ui.setconfig(
         b'hooks', b'changegroup.lfiles', checkrequireslfiles, b'largefiles'