$ git clone -n https://src.fedoraproject.org/rpms/foomatic.git /var/lib/mock/f40-build-791631-137674/root/chroot_tmpdir/scmroot/foomatic
Cloning into '/var/lib/mock/f40-build-791631-137674/root/chroot_tmpdir/scmroot/foomatic'...
$ git fetch origin 5b816643a51fe77f5971fb0701bb72cc8755471c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foomatic
 * [new ref]         5b816643a51fe77f5971fb0701bb72cc8755471c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b81664 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild