$ git clone -n https://src.fedoraproject.org/rpms/ghc-attoparsec-iso8601.git /var/lib/mock/f38-build-side-42-init-devel-700755-27067/root/chroot_tmpdir/scmroot/ghc-attoparsec-iso8601
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-700755-27067/root/chroot_tmpdir/scmroot/ghc-attoparsec-iso8601'...
$ git fetch origin 5ac4971b2909c722d6b12cf07979ed02b0630e79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-attoparsec-iso8601
 * [new ref]         5ac4971b2909c722d6b12cf07979ed02b0630e79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ac4971 Convert to %autorelease and %autochangelog