$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc.git /var/lib/mock/dist-oc9-build-251012-84061/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-oc9-build-251012-84061/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 250df36f50f8b6e3b2775f049bc0236a6cb7b29f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc
 * [new ref]         250df36f50f8b6e3b2775f049bc0236a6cb7b29f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 250df36 import gcc-12.3.1.8-9.tl4