$ git clone -n https://src.fedoraproject.org/rpms/ghc-x509-store.git /var/lib/mock/f38-build-side-42-init-devel-1104171-30073/root/chroot_tmpdir/scmroot/ghc-x509-store
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1104171-30073/root/chroot_tmpdir/scmroot/ghc-x509-store'...
$ git fetch origin 006c290da4380cbfbba0c691c3d0979567ea3ab9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-x509-store
 * [new ref]         006c290da4380cbfbba0c691c3d0979567ea3ab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 006c290 Convert to %autorelease and %autochangelog