$ git clone -n https://gitee.com/geliwei/grub2.git /var/lib/mock/dist-an23-build-553382-89038/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-553382-89038/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin cfdc1b45e084d17a7941f55e8afed7230ab773c7:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/grub2
 * [new ref]         cfdc1b45e084d17a7941f55e8afed7230ab773c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfdc1b4 Fix CVE-2024-45782: HFS filesystem heap-based out-of-bounds write