$ git clone -n https://src.fedoraproject.org/rpms/postgresql-ip4r.git /var/lib/mock/f39-build-1836749-41926/root/chroot_tmpdir/scmroot/postgresql-ip4r
Cloning into '/var/lib/mock/f39-build-1836749-41926/root/chroot_tmpdir/scmroot/postgresql-ip4r'...
$ git fetch origin e9c170f562565c171a39ddef8af0388905c7d556:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postgresql-ip4r
 * [new ref]         e9c170f562565c171a39ddef8af0388905c7d556 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9c170f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild