$ git clone -n https://src.fedoraproject.org/rpms/ghc-terminal-size.git /var/lib/mock/f38-build-side-42-init-devel-847533-28422/root/chroot_tmpdir/scmroot/ghc-terminal-size
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-847533-28422/root/chroot_tmpdir/scmroot/ghc-terminal-size'...
$ git fetch origin 39d29fdbd0cbab2494e4de0bbf9991e8c5651450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-terminal-size
 * [new ref]         39d29fdbd0cbab2494e4de0bbf9991e8c5651450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39d29fd Convert to %autorelease and %autochangelog