$ git clone -n https://src.fedoraproject.org/rpms/ghc-equivalence.git /var/lib/mock/f38-build-side-42-init-devel-632641-26381/root/chroot_tmpdir/scmroot/ghc-equivalence
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-632641-26381/root/chroot_tmpdir/scmroot/ghc-equivalence'...
$ git fetch origin ae62fdf6d3650155f2f5c663f443cb7bdc95fdbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-equivalence
 * [new ref]         ae62fdf6d3650155f2f5c663f443cb7bdc95fdbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae62fdf Convert to %autorelease and %autochangelog