$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-gobject.git /var/lib/mock/f45-build-10327-415/root/chroot_tmpdir/scmroot/ghc-gi-gobject
Cloning into '/var/lib/mock/f45-build-10327-415/root/chroot_tmpdir/scmroot/ghc-gi-gobject'...
$ git fetch origin 9ce8f8c57d4403266fe8f0ee9b6f5cb8e9ade61b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-gobject
 * [new ref]         9ce8f8c57d4403266fe8f0ee9b6f5cb8e9ade61b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ce8f8c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild