1#!/bin/sh
2
3# $MidnightBSD: mports/Tools/scripts/update-patches,v 1.3 2011/03/20 00:07:21 laffer1 Exp $
4# $OpenBSD: update-patches,v 1.3 2000/06/09 17:08:37 espie Exp $
5# Copyright (c) 2000
6# Marc Espie.  All rights reserved.
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Neither the name of OpenBSD nor the names of its contributors
13#    may be used to endorse or promote products derived from this software
14#    without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27
28# Find out all .orig files and strip the name to what diff will use
29cd $PATCH_WRKSRC && find . -type f -name '*.orig' | fgrep -v $DISTORIG | \
30sed -e "s,^./\(.*\)\.orig\$,\1," | {
31while read file
32do
33    echo 1>&2 "Processing $file"
34    # look in patchdir for an existing patchfile matching this
35    mkdir -p $PATCHDIR
36    cd $PATCHDIR
37    for i in ${PATCH_LIST}
38    do
39	# Ignore non-files, or old backup
40	[ -f $i ] || continue
41	case $i in \
42	*.orig|*.rej|*~) ;;
43	*) # Patch found. Is this the one ?
44	    if grep "^--- $file.orig" $i >/dev/null
45	    then
46		accounted="$accounted $i"
47		# found it, splice before diff part with diff
48		esc=`echo $file | sed -e 's,/,\\\\/,g'`
49		{ sed -e "/^--- $esc.orig/,\$ d" <$i
50		    (cd $PATCH_WRKSRC && diff -p ${DIFF_ARGS} -u $file.orig $file) } >$i.new
51		# did it change ? mark it as changed
52		if diff ${DIFF_ARGS} -u --ignore-matching-lines="^--- $file.orig	.*" \
53		    --ignore-matching-lines="^+++ $file	.*" $i $i.new 1>&2
54		then
55		    rm $i.new
56		else
57		    echo 1>&2 "Patch $i for $file updated"
58		    mv $i $i.orig
59		    mv $i.new $i
60		    edit="$edit $i"
61		fi
62		continue 2
63	    fi;;
64	esac
65    done
66    # Build a sensible name for the patch file
67    patchname=patch-`echo $file|sed -e s,/,_,g`
68    echo 1>&2 "No patch-* found for $file, creating $patchname"
69    (cd $PATCH_WRKSRC && diff -p ${DIFF_ARGS} -u $file.orig $file) >$patchname
70    edit="$edit $patchname"
71    accounted="$accounted $patchname"
72done
73
74# Verify all patches accounted for
75for i in ${PATCHDIR}/*
76do
77    [ -f $i ] || continue
78    case $i in \
79    *.orig|*.rej|*~) ;;
80    *)
81	for j in $accounted
82	do
83	    if [ $j = $i ]
84	    then
85		continue 2
86	    fi
87	done
88	echo 1>&2 "*** Patch $i not accounted for.";;
89    esac
90done
91
92# Check for $Id and similar bugs in all those patch files.
93for i in $accounted
94do
95    if sed -e '/1,^---/ d' $i|egrep '$(Id|FreeBSD|MidnightBSD)'
96    then
97	    echo 1>&2 "Problem with $i: CVS tag found in patch"
98    fi
99done
100
101find ${PATCHDIR} -size 0c | xargs rm
102
103echo $edit
104}
105exit 0
106