visualise ports

VisualisePorts

#!/bin/sh

# Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>
# All rights reserved.

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:

# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

(
  echo 'digraph ports_tree {'

  ORIGINS=$(pkg info -aoq | sort)

  for o in ${ORIGINS}
  do
    DEPENDENCIES=$(pkg query %do "${o}" | sort)

    if [ -z "${DEPENDENCIES}" ]
    then
      REVDEPENDENCIES=$(pkg query %ro "${o}" | sort)

      if [ -z "${REVDEPENDENCIES}" ]
      then
        # A root port.
        printf '  "%s";' "${o}"
      fi
    else
      for d in ${DEPENDENCIES}
      do
        # ${o} needs ${d}.
        printf '  "%s" -> "%s";\n' "${d}" "${o}"
      done
    fi
  done

  echo '}'

) | dot -Tpdf -O -o ports.pdf

the -O appears to override the output file so should be removed