$ git clone -n https://src.fedoraproject.org/rpms/ghc-yesod-form.git /var/lib/mock/f38-build-side-42-init-devel-867100-28439/root/chroot_tmpdir/scmroot/ghc-yesod-form
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-867100-28439/root/chroot_tmpdir/scmroot/ghc-yesod-form'...
$ git fetch origin 5c242376c3148dfbc4c6923c1b4196de2a48164a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-yesod-form
 * [new ref]         5c242376c3148dfbc4c6923c1b4196de2a48164a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c24237 Convert to %autorelease and %autochangelog