$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc.git /var/lib/mock/dist-oc9-build-211195-80682/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-oc9-build-211195-80682/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 749852cb55bab2d64bf40ac261387166631d6b81:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc
 * [new ref]         749852cb55bab2d64bf40ac261387166631d6b81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 749852c import gcc-12.3.1.6-1.tl4