$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-lexer.git /var/lib/mock/f38-build-side-42-init-devel-900048-28589/root/chroot_tmpdir/scmroot/ghc-haskell-lexer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-900048-28589/root/chroot_tmpdir/scmroot/ghc-haskell-lexer'...
$ git fetch origin 13c54ab7bc639623ec08bdd7ee34ecd6ab06d7bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-lexer
 * [new ref]         13c54ab7bc639623ec08bdd7ee34ecd6ab06d7bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13c54ab Convert to %autorelease and %autochangelog