$ git clone -n https://src.fedoraproject.org/rpms/ghc-abstract-deque.git /var/lib/mock/f38-build-side-42-init-devel-934171-28751/root/chroot_tmpdir/scmroot/ghc-abstract-deque
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-934171-28751/root/chroot_tmpdir/scmroot/ghc-abstract-deque'...
$ git fetch origin 02faeb98f749cc41f025dbde40dc312b52423af9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-abstract-deque
 * [new ref]         02faeb98f749cc41f025dbde40dc312b52423af9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02faeb9 Convert to %autorelease and %autochangelog