$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc.git /var/lib/mock/dist-oc9-build-230951-81534/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-oc9-build-230951-81534/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 143c83525df4f3164fa6e6e31a6921a65bab9577:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc
 * [new ref]         143c83525df4f3164fa6e6e31a6921a65bab9577 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 143c835 import gcc-12.3.1.7-1.tl4