$ git clone -n https://src.fedoraproject.org/rpms/ccache.git /var/lib/mock/f40-build-2493404-61664/root/chroot_tmpdir/scmroot/ccache
Cloning into '/var/lib/mock/f40-build-2493404-61664/root/chroot_tmpdir/scmroot/ccache'...
$ git fetch origin c300ebc9d59791e94371edae7284f34191cfea78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ccache
 * [new ref]         c300ebc9d59791e94371edae7284f34191cfea78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c300ebc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild