$ git clone -n https://gitee.com/src-opencloudos-rpms/gcc-toolset-12-gcc.git /var/lib/mock/dist-oc8-build-75162-52105/root/chroot_tmpdir/scmroot/gcc-toolset-12-gcc
Cloning into '/var/lib/mock/dist-oc8-build-75162-52105/root/chroot_tmpdir/scmroot/gcc-toolset-12-gcc'...
$ git fetch origin bdb098b8241e117a251231b00a014e182d4ac2ef:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gcc-toolset-12-gcc
 * [new ref]         bdb098b8241e117a251231b00a014e182d4ac2ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdb098b import gcc-toolset-12-gcc-12.2.1-7.6.tl3