$ git clone -n https://src.fedoraproject.org/rpms/libgxps.git /var/lib/mock/f40-build-785779-134119/root/chroot_tmpdir/scmroot/libgxps
Cloning into '/var/lib/mock/f40-build-785779-134119/root/chroot_tmpdir/scmroot/libgxps'...
$ git fetch origin 6670b86da6699c8a976c9a526e371388b4041c05:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgxps
 * [new ref]         6670b86da6699c8a976c9a526e371388b4041c05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6670b86 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild