component/git: add patch to prevent segfault issue during fetch-pack

git >= 2.31 crash on fetch-pack when running gitlab-backup

see: https://lore.kernel.org/git/20240606133605.602276-1-kirr@nexedi.com/T/#m9d454aadc8857b84f17d1a331739f7399cf1bbf8

component/git/buildout.cfg

@@ -33,6 +33,9 @@ environment =
   PATH=${curl:location}/bin:${gettext:location}/bin:${tar:location}/bin:${xz-utils:location}/bin:%(PATH)s
   CPPFLAGS=-I${zlib:location}/include
   LDFLAGS=-L${zlib:location}/lib -L${openssl:location}/lib -Wl,-rpath=${openssl:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${curl:location}/lib -Wl,-rpath=${libexpat:location}/lib
+patch-options = -p1
+patches =
+  ${:_profile_base_location_}/prevent-git-fetch-pack-segfault.patch#f18e84a5ff8951aad094eddf32fbf8a1
 
 [gitweb]
 <= git

component/git/prevent-git-fetch-pack-segfault.patch

+From 93be30997053105b5e3bad9203e5d07cbea0f0e6 Mon Sep 17 00:00:00 2001
+From: Alain Takoudjou <alain.takoudjou@nexedi.com>
+Date: Fri, 7 Jun 2024 12:13:50 +0200
+Subject: [PATCH] prevent-git-fetch-pack-segfault
+
+---
+ fetch-pack.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/fetch-pack.c b/fetch-pack.c
+index 65c1ff4bb4..a9b1558ce2 100644
+--- a/fetch-pack.c
++++ b/fetch-pack.c
+@@ -1037,7 +1037,7 @@ static int get_pack(struct fetch_pack_args *args,
+ 	cmd.git_cmd = 1;
+ 	if (start_command(&cmd))
+ 		die(_("fetch-pack: unable to fork off %s"), cmd_name);
+-	if (do_keep && (pack_lockfiles || fsck_objects)) {
++	if (do_keep && (pack_lockfiles /*|| fsck_objects*/)) {
+ 		int is_well_formed;
+ 		char *pack_lockfile = index_pack_lockfile(cmd.out, &is_well_formed);
+ 
+-- 
+2.34.1