$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-gi.git /var/lib/mock/f41-build-side-1-2805287-32863/root/chroot_tmpdir/scmroot/ghc-haskell-gi
Cloning into '/var/lib/mock/f41-build-side-1-2805287-32863/root/chroot_tmpdir/scmroot/ghc-haskell-gi'...
$ git fetch origin add36be60627b08a1009d5c26e8aa4e8a70d7e1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-gi
 * [new ref]         add36be60627b08a1009d5c26e8aa4e8a70d7e1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at add36be https://hackage.haskell.org/package/haskell-gi-0.26.10/changelog