$ git clone -n https://src.fedoraproject.org/rpms/ghc-dlist.git /var/lib/mock/f39-build-1918487-42934/root/chroot_tmpdir/scmroot/ghc-dlist
Cloning into '/var/lib/mock/f39-build-1918487-42934/root/chroot_tmpdir/scmroot/ghc-dlist'...
$ git fetch origin 5e2cc944d93c5eef6b907236db0ce5709dcfa5e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-dlist
 * [new ref]         5e2cc944d93c5eef6b907236db0ce5709dcfa5e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e2cc94 bump release