$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc.git /var/lib/mock/dist-oc9-build-241836-82902/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-oc9-build-241836-82902/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 9e92dbb5e2586f3b3c8787b53f0417ae5a2dd1b6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc
 * [new ref]         9e92dbb5e2586f3b3c8787b53f0417ae5a2dd1b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e92dbb import gcc-12.3.1.8-3.tl4