#!/usr/bin/awk -f
#
#	$FreeBSD$
#

BEGIN {
	#parentpath = "//depot/vendor/freebsd/src/sys/"
	#childpath = "//depot/projects/opencrypto/"
}
$1 == "====" {
	last_line = $0
	last_filename = $2
	#gsub(parentpath, "", last_filename)
	gsub(/#[0-9]*$/, "", last_filename)
	did_sub = 0
}
$1 == "====" && $2 == "<none>" {
	new_file = $4
	gsub(childpath, "", new_file)
	gsub(/#[0-9]*$/, "", new_file)
	cmd = "p4 print \"" $4 "\" | sed '/^\\/\\/depot/d' | diff -u /dev/null /dev/stdin | sed s@/dev/stdin@" new_file "@"
	#print "x" cmd "x"
	system(cmd)
}
$1 == "====" && $4 == "<none>" {
	del_file = $2
	gsub(parentpath, "", del_file)
	gsub(/#[0-9]*$/, "", del_file)
	cmd = "p4 print \"" $2 "\" | sed '/^\\/\\/depot/d' | diff -u /dev/stdin /dev/null | sed s@/dev/stdin@" del_file "@"
	#print "x" cmd "x"
	system(cmd)
}
$1 != "====" {
	if (!did_sub && (($1 == "***************") || ($1 == "@@"))) {
		print "--- ", last_filename ".orig"
		print "+++ ", last_filename
		print $0
		did_sub = 1
	} else {
		print $0
	}
}