$ git clone -n https://src.fedoraproject.org/rpms/ghc-serialise.git /var/lib/mock/f39-build-1713304-41228/root/chroot_tmpdir/scmroot/ghc-serialise
Cloning into '/var/lib/mock/f39-build-1713304-41228/root/chroot_tmpdir/scmroot/ghc-serialise'...
$ git fetch origin f9d0d01d41418c18c61b1c94187c4cc14b6972f2:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/ghc-serialise.git/': Transferred a partial file
$ git reset --hard f9d0d01d41418c18c61b1c94187c4cc14b6972f2
HEAD is now at f9d0d01 revised .cabal file