$ git clone -n https://src.fedoraproject.org/rpms/libomemo.git /var/lib/mock/f45-build-16688-490/root/chroot_tmpdir/scmroot/libomemo
Cloning into '/var/lib/mock/f45-build-16688-490/root/chroot_tmpdir/scmroot/libomemo'...
$ git fetch origin 58228a52aee26f0bbe678e557f784ccfd6d36845:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libomemo
 * [new ref]         58228a52aee26f0bbe678e557f784ccfd6d36845 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58228a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild