$ git clone -n https://src.fedoraproject.org/rpms/ghc-data-binary-ieee754.git /var/lib/mock/f38-build-side-42-init-devel-884603-28488/root/chroot_tmpdir/scmroot/ghc-data-binary-ieee754
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-884603-28488/root/chroot_tmpdir/scmroot/ghc-data-binary-ieee754'...
$ git fetch origin 07ecae0b4163802a7424a0fa45efb428b382da1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-data-binary-ieee754
 * [new ref]         07ecae0b4163802a7424a0fa45efb428b382da1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07ecae0 Convert to %autorelease and %autochangelog