freebsd-ports/Tools/scripts/update-patches
Christian Weisgerber 1895bc9e69 Use diff -p both when first creating and when updating a patch.
Previously a patch created by update-patches would be changed again
by the next update-patches run.
2009-02-15 16:16:33 +00:00

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#!/bin/sh
# $FreeBSD$
# $OpenBSD: update-patches,v 1.3 2000/06/09 17:08:37 espie Exp $
# Copyright (c) 2000
# Marc Espie. 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 code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Neither the name of OpenBSD nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``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 REGENTS 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.
# Find out all .orig files and strip the name to what diff will use
cd $PATCH_WRKSRC && find . -type f -name '*.orig' | fgrep -v $DISTORIG | \
sed -e "s,^./\(.*\)\.orig\$,\1," | {
while read file
do
echo 1>&2 "Processing $file"
# look in patchdir for an existing patchfile matching this
mkdir -p $PATCHDIR
cd $PATCHDIR
for i in ${PATCH_LIST}
do
# Ignore non-files, or old backup
[ -f $i ] || continue
case $i in \
*.orig|*.rej|*~) ;;
*) # Patch found. Is this the one ?
if grep "^--- $file.orig" $i >/dev/null
then
accounted="$accounted $i"
# found it, splice before diff part with diff
esc=`echo $file | sed -e 's,/,\\\\/,g'`
{ sed -e "/^--- $esc.orig/,\$ d" <$i
(cd $PATCH_WRKSRC && diff -p ${DIFF_ARGS} -u $file.orig $file) } >$i.new
# did it change ? mark it as changed
if diff ${DIFF_ARGS} -u --ignore-matching-lines="^--- $file.orig .*" \
--ignore-matching-lines="^+++ $file .*" $i $i.new 1>&2
then
rm $i.new
else
echo 1>&2 "Patch $i for $file updated"
mv $i $i.orig
mv $i.new $i
edit="$edit $i"
fi
continue 2
fi;;
esac
done
# Build a sensible name for the patch file
patchname=patch-`echo $file|sed -e s,/,_,g`
echo 1>&2 "No patch-* found for $file, creating $patchname"
(cd $PATCH_WRKSRC && diff -p ${DIFF_ARGS} -u $file.orig $file) >$patchname
edit="$edit $patchname"
accounted="$accounted $patchname"
done
# Verify all patches accounted for
for i in ${PATCHDIR}/*
do
[ -f $i ] || continue
case $i in \
*.orig|*.rej|*~) ;;
*)
for j in $accounted
do
if [ $j = $i ]
then
continue 2
fi
done
echo 1>&2 "*** Patch $i not accounted for.";;
esac
done
# Check for $Id and similar bugs in all those patch files.
for i in $accounted
do
if sed -e '/1,^---/ d' $i|egrep '$(Id|FreeBSD)'
then
echo 1>&2 "Problem with $i: CVS tag found in patch"
fi
done
echo $edit
}
exit 0