$ git clone -n https://src.fedoraproject.org/rpms/libglpng.git /var/lib/mock/f45-build-16274-484/root/chroot_tmpdir/scmroot/libglpng
Cloning into '/var/lib/mock/f45-build-16274-484/root/chroot_tmpdir/scmroot/libglpng'...
$ git fetch origin 116482e97bc36e0c48928558c31eea903a099f0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libglpng
 * [new ref]         116482e97bc36e0c48928558c31eea903a099f0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 116482e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild