$ git clone -n https://src.fedoraproject.org/rpms/djvulibre.git /var/lib/mock/f40-build-1994562-43808/root/chroot_tmpdir/scmroot/djvulibre
Cloning into '/var/lib/mock/f40-build-1994562-43808/root/chroot_tmpdir/scmroot/djvulibre'...
$ git fetch origin c9dfa8832ba2012a9c2015bdf29402ad61c5a6c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/djvulibre
 * [new ref]         c9dfa8832ba2012a9c2015bdf29402ad61c5a6c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9dfa88 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild