$ git clone -n https://src.fedoraproject.org/rpms/ghc-htoml.git /var/lib/mock/f38-build-side-42-init-devel-1115138-30139/root/chroot_tmpdir/scmroot/ghc-htoml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1115138-30139/root/chroot_tmpdir/scmroot/ghc-htoml'...
$ git fetch origin e4ed74daa5af30f1f673b52f21b240c7e2adde7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-htoml
 * [new ref]         e4ed74daa5af30f1f673b52f21b240c7e2adde7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ed74d Convert to %autorelease and %autochangelog