$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc.git /var/lib/mock/dist-oc9-build-247948-83636/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-oc9-build-247948-83636/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 4d0db8f9c33f4f126597356734d2a4c891fd94e3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc
 * [new ref]         4d0db8f9c33f4f126597356734d2a4c891fd94e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d0db8f import gcc-12.3.1.8-8.tl4