$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-configuration.git /var/lib/mock/f40-build-2498165-61664/root/chroot_tmpdir/scmroot/apache-commons-configuration
Cloning into '/var/lib/mock/f40-build-2498165-61664/root/chroot_tmpdir/scmroot/apache-commons-configuration'...
$ git fetch origin 5182ced99a83e6f407e0521c66d7d76f45eee45a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-configuration
 * [new ref]         5182ced99a83e6f407e0521c66d7d76f45eee45a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5182ced Port to apache-commons-parent 65