$ git clone -n https://src.fedoraproject.org/rpms/libzypp.git /var/lib/mock/f39-build-2119964-50737/root/chroot_tmpdir/scmroot/libzypp
Cloning into '/var/lib/mock/f39-build-2119964-50737/root/chroot_tmpdir/scmroot/libzypp'...
$ git fetch origin ff29fd9f6febcfc16053d7f397ed3885fb5548d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzypp
 * [new ref]         ff29fd9f6febcfc16053d7f397ed3885fb5548d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff29fd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild