$ git clone -n https://src.fedoraproject.org/rpms/ghc-utf8-light.git /var/lib/mock/f38-build-side-42-init-devel-757481-27679/root/chroot_tmpdir/scmroot/ghc-utf8-light
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-757481-27679/root/chroot_tmpdir/scmroot/ghc-utf8-light'...
$ git fetch origin eb546aac0be552173f8eb8113064e94441c0fc87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-utf8-light
 * [new ref]         eb546aac0be552173f8eb8113064e94441c0fc87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb546aa Convert to %autorelease and %autochangelog