$ git clone -n https://src.fedoraproject.org/rpms/astyle.git /var/lib/mock/f42-build-864513-172387/root/chroot_tmpdir/scmroot/astyle
Cloning into '/var/lib/mock/f42-build-864513-172387/root/chroot_tmpdir/scmroot/astyle'...
$ git fetch origin 077178eb00ecbd47f3987b83b6ae39d6859d0729:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/astyle
 * [new ref]         077178eb00ecbd47f3987b83b6ae39d6859d0729 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 077178e Update to 3.6.6 (#2323142)