$ git clone -n https://git.cclinux.org/stage/rpms/gcc-toolset-13-gcc.git /var/lib/mock/dist-circle9-build-120454-85121/root/chroot_tmpdir/scmroot/gcc-toolset-13-gcc
Cloning into '/var/lib/mock/dist-circle9-build-120454-85121/root/chroot_tmpdir/scmroot/gcc-toolset-13-gcc'...
$ git fetch origin 85b69fd6766aab14331ed7202563389ad040c0c5:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/gcc-toolset-13-gcc
 * [new ref]         85b69fd6766aab14331ed7202563389ad040c0c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85b69fd import gcc-toolset-13-gcc-13.2.1-6.3.el9