$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-10-gcc_2.git /var/lib/mock/dist-an23.2-build-399417-72344/root/chroot_tmpdir/scmroot/gcc-toolset-10-gcc_2
Cloning into '/var/lib/mock/dist-an23.2-build-399417-72344/root/chroot_tmpdir/scmroot/gcc-toolset-10-gcc_2'...
$ git fetch origin 233cdd7d160f299990cea0b62e7e7af7550bd5f1:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-10-gcc_2
 * [new ref]         233cdd7d160f299990cea0b62e7e7af7550bd5f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 233cdd7 init upstream from 10