$ git clone -n https://src.fedoraproject.org/rpms/ghc-zip-archive.git /var/lib/mock/f40-build-1998483-44240/root/chroot_tmpdir/scmroot/ghc-zip-archive
Cloning into '/var/lib/mock/f40-build-1998483-44240/root/chroot_tmpdir/scmroot/ghc-zip-archive'...
$ git fetch origin 240cb91225d52b5fa7c90b3f1a9b097ebbcb709e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-zip-archive
 * [new ref]         240cb91225d52b5fa7c90b3f1a9b097ebbcb709e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 240cb91 https://hackage.haskell.org/package/zip-archive-0.4.3/changelog