$ git clone -n https://src.fedoraproject.org/rpms/ghc-adjunctions.git /var/lib/mock/f45-build-9964-412/root/chroot_tmpdir/scmroot/ghc-adjunctions
Cloning into '/var/lib/mock/f45-build-9964-412/root/chroot_tmpdir/scmroot/ghc-adjunctions'...
$ git fetch origin 6aa227f9b1bfc51d8c7a2769f5445c8bcf50143c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-adjunctions
 * [new ref]         6aa227f9b1bfc51d8c7a2769f5445c8bcf50143c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aa227f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild