base system rc.d dependencies as of 231173

[Xin Li]

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Hi,

This may be useful for rc.d people so I've decided to post it here.  I
created these graphs with the NetBSD rcorder-visualize script with
some changes to adapt with our needs (e.g. some scripts would provide
multiple services, etc, attached).  I think the script is useful for
FreeBSD as well, should we import it?

Generated graph can be found at:

	http://people.freebsd.org/~delphij/misc/rcorder-r231173.svg

Or,
	https://www.delphij.net/rcorder-r231173.svg

(people.freebsd.org would serve the .svg as a download).

Cheers,
- -- 
Xin LI <delphij at delphij.net>	https://www.delphij.net/
FreeBSD - The Power to Serve!		Live free or die
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#!/bin/sh
# $NetBSD: rcorder-visualize.sh,v 1.5 2009/08/09 17:08:53 apb Exp $
#
# Written by Joerg Sonnenberger.  You may freely use and redistribute
# this script.
#
# 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
< $f awk '
/# PROVIDE: /	{ for (i = 3; i <= NF; i++) provides[$i] = $i }
/# REQUIRE: /	{ for (i = 3; i <= NF; i++) requires[$i] = $i }
/# BEFORE: /	{ for (i = 3; i <= NF; i++) befores[$i] = $i }

END {
	for (provide in provides) {
		print "    \"" provide "\";"
			for (x in requires) print "    \"" x "\"->\"" provide "\";"
			for (x in befores) print "    \"" provide "\"->\"" x "\";"
	}
}
'
done
echo '}'
}