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Add rcorder-visualize.sh, which generates graphviz from rc.d scripts

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This is imported from NetBSD.  The author--Joerg Sonnenberger--agreed
to apply a two-clause BSD license, just so the license was clear.

This source tree location matches NetBSD, and is the first place someone
might look for such a tool.

Obtained from:	Joerg Sonnenberger via NetBSD
MFC after:	3 days
Sponsored by:	Dell EMC
This commit is contained in:
Eric van Gyzen 2016-12-06 15:49:39 +00:00
parent b54d51ac86
commit 2830098671
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=309625
1 changed files with 52 additions and 0 deletions
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sbin/rcorder/rcorder-visualize.sh Executable file
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#!/bin/sh
# $NetBSD: rcorder-visualize.sh,v 1.5 2009/08/09 17:08:53 apb Exp $
#
# Copyright (c) 2009 by Joerg Sonnenberger
# 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 AUTHOR ``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 AUTHOR 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.
#
# $FreeBSD$
#
# Simple script to show the dependency graph for rc scripts.
# Output is in the dot(1) language and can be rendered using
# sh rcorder-visualize | dot -T svg -o rcorder.svg
# dot(1) can be found in graphics/graphviz in pkgsrc.
rc_files=${*:-/etc/rc.d/*}
{
echo ' digraph {'
for f in $rc_files; do
< $f awk '
/# PROVIDE: / { provide = $3 }
/# REQUIRE: / { for (i = 3; i <= NF; i++) requires[$i] = $i }
/# BEFORE: / { for (i = 3; i <= NF; i++) befores[$i] = $i }
END {
print " \"" provide "\";"
for (x in requires) print " \"" provide "\"->\"" x "\";"
for (x in befores) print " \"" x "\"->\"" provide "\";"
}
'
done
echo '}'
}