$ git clone -n https://src.fedoraproject.org/rpms/colorgcc.git /var/lib/mock/f40-build-2275749-55102/root/chroot_tmpdir/scmroot/colorgcc
Cloning into '/var/lib/mock/f40-build-2275749-55102/root/chroot_tmpdir/scmroot/colorgcc'...
$ git fetch origin df3c6c2a430701b92509f24e30199e48fa79c306:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/colorgcc
 * [new ref]         df3c6c2a430701b92509f24e30199e48fa79c306 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df3c6c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild