$ git clone -n https://src.fedoraproject.org/rpms/ghc-dlist.git /var/lib/mock/f38-build-side-42-init-devel-807049-28224/root/chroot_tmpdir/scmroot/ghc-dlist
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-807049-28224/root/chroot_tmpdir/scmroot/ghc-dlist'...
$ git fetch origin 1a357234132732304a0f99f673e955245d73d2f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-dlist
 * [new ref]         1a357234132732304a0f99f673e955245d73d2f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a35723 Convert to %autorelease and %autochangelog