$ git clone -n https://src.fedoraproject.org/rpms/ghc-monad-par-extras.git /var/lib/mock/f38-build-side-42-init-devel-875683-28452/root/chroot_tmpdir/scmroot/ghc-monad-par-extras
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-875683-28452/root/chroot_tmpdir/scmroot/ghc-monad-par-extras'...
$ git fetch origin e3efab5395e9dcee16deec741fd6e9ce02260770:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-monad-par-extras
 * [new ref]         e3efab5395e9dcee16deec741fd6e9ce02260770 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3efab5 Convert to %autorelease and %autochangelog