$ git clone -n https://src.fedoraproject.org/rpms/ghc-skylighting.git /var/lib/mock/f45-build-10757-424/root/chroot_tmpdir/scmroot/ghc-skylighting
Cloning into '/var/lib/mock/f45-build-10757-424/root/chroot_tmpdir/scmroot/ghc-skylighting'...
$ git fetch origin 60a2de2116b83d99e355bbed2ce00243ed090320:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-skylighting
 * [new ref]         60a2de2116b83d99e355bbed2ce00243ed090320 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60a2de2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild