$ git clone -n https://src.fedoraproject.org/rpms/ghc-void.git /var/lib/mock/f38-build-side-42-init-devel-847630-28422/root/chroot_tmpdir/scmroot/ghc-void
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-847630-28422/root/chroot_tmpdir/scmroot/ghc-void'...
$ git fetch origin 298ac6c3e2b29fa9a7c598d61f0aa10e9366a3da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-void
 * [new ref]         298ac6c3e2b29fa9a7c598d61f0aa10e9366a3da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 298ac6c Convert to %autorelease and %autochangelog