$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-gi.git /var/lib/mock/f45-build-10363-416/root/chroot_tmpdir/scmroot/ghc-haskell-gi
Cloning into '/var/lib/mock/f45-build-10363-416/root/chroot_tmpdir/scmroot/ghc-haskell-gi'...
$ git fetch origin 13fe02ae541e9bb9258c6247b1f8e8e16c0923a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-gi
 * [new ref]         13fe02ae541e9bb9258c6247b1f8e8e16c0923a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13fe02a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild