From 219a6dab8995aad9ac4860cc1a84d6f3509a03a4 Mon Sep 17 00:00:00 2001
From: wbx <wbx@hydrogenium.(none)>
Date: Sun, 17 May 2009 14:41:34 +0200
Subject: Initial import

---
 scripts/update-patches | 179 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 scripts/update-patches

(limited to 'scripts/update-patches')

diff --git a/scripts/update-patches b/scripts/update-patches
new file mode 100644
index 000000000..4c695f0cc
--- /dev/null
+++ b/scripts/update-patches
@@ -0,0 +1,179 @@
+#!/usr/bin/env bash
+# $Id: update-patches 24 2008-08-31 14:56:13Z wbx $
+# $MirOS: ports/infrastructure/scripts/update-patches,v 1.5 2006/06/15 19:18:43 tg Exp $
+#-
+# Copyright (c) 2006
+#	Thorsten Glaser <tg@freewrt.org>
+#
+# Derived from the MirPorts Framework "update-patches" script:
+#
+# Copyright (c) 2003, 2004, 2005
+#	Thorsten "mirabile" Glaser <tg@MirBSD.de>
+# Based upon code and idea (c) 2000
+#	Marc Espie for the OpenBSD project. All rights reserved.
+#
+# Provided that these terms and disclaimer and all copyright notices
+# are retained or reproduced in an accompanying document, permission
+# is granted to deal in this work without restriction, including un-
+# limited rights to use, publicly perform, distribute, sell, modify,
+# merge, give away, or sublicence.
+#
+# This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
+# the utmost extent permitted by applicable law, neither express nor
+# implied; without malicious intent or gross negligence. In no event
+# may a licensor, author or contributor be held liable for indirect,
+# direct, other damage, loss, or other issues arising in any way out
+# of dealing in the work, even if advised of the possibility of such
+# damage or existence of a defect, except proven that it results out
+# of said person's immediate fault when using the work as intended.
+
+[[ -n $BASH_VERSION ]] && shopt -s extglob
+
+do_diff()
+{
+	local f1=$2/$1
+	local f2=$3/$1
+
+	if [[ ! -e $f1 ]]; then
+		[[ -d ${f1%/*}/. ]] || mkdir -p ${f1%/*}
+		if [[ ! -s $f2 ]]; then
+			cat <<EOF
+--- $f1	(non-existant)
++++ $f2	(empty)
+@@ -0,0 +0,0 @@
+EOF
+			return 0
+		fi
+		touch -t 197001010000.00 "$f1"
+	fi
+	diff -adup "$f1" "$f2"
+	return $?
+}
+
+TRANSFORM='sed s/[.+]/\\\\&/g'
+PATCHDIR=$CURDIR/patches
+EXTRADIR=$CURDIR/extra
+
+mkdir -p $PATCHDIR
+
+SUBDIST=${WRKDIST##${WRKDIR1}?(/)}
+if [[ -n $SUBDIST ]]; then
+	mv ${WRKDIR1}.orig/${SUBDIST} ${WRKDIR1}/${SUBDIST}.orig
+	D_BASE=${WRKDIR1}
+	D_SUB=${SUBDIST}
+#	D_SUBP=$D_SUB
+	D_SUBP='[^/]*'
+	D_CMP=$D_SUBP
+else
+	# WRKSRC == WRKDIR
+	D_BASE=$(dirname ${WRKDIR1})
+	D_SUB=$(basename ${WRKDIR1})
+	D_SUBP=$D_SUB
+	D_CMP=
+fi
+ORGDIST=${D_BASE}/${D_SUB}.orig
+
+[[ -d $EXTRADIR ]] && \
+    (cd $EXTRADIR; find . -print0) | \
+    (cd $WRKDIST; pax -rw -0 -d $ORGDIST/) >/dev/null 2>&1
+
+if [[ -e $WRKDIST/.patched-newfiles ]]; then
+	touch $ORGDIST/.patched-newfiles
+	patch_newfiles=1
+else
+	patch_newfiles=0
+fi
+
+DIFF_FLAGS="-adu -I \"^--- $(echo $D_SUBP.orig/ | $TRANSFORM)@@	.*\""
+DIFF_FLAGS="$DIFF_FLAGS -I \"^\+\+\+ $(echo $D_SUBP/ | $TRANSFORM)@@	.*\""
+
+for file in $(cd ${WRKDIST}; find . -type f | sed 's#^\./##'); do
+	[[ ! -e $ORGDIST/$file && $patch_newfiles = 0 ]] && continue
+	cmp -s "$ORGDIST/$file" "$WRKDIST/$file" && continue
+	echo "Processing ${file}..." >&2
+	# look in patchdir for an existing patchfile matching this
+	cd $PATCHDIR
+	for i in $PATCH_LIST; do
+		# Ignore non-files, or old backup
+		[[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
+
+		# Patch found. Is this the one?
+		if grep "^[+-][+-][+-] $D_CMP[^/]*/$file	" "$i" >/dev/null; then
+			# Multiple files in the diff?
+			if [ $(grep -c "^--- $D_CMP" "$i") -gt 1 -o \
+			    $(grep -c "^+++ $D_CMP" "$i") -gt 1 ]; then
+				echo "Cannot process, $i contains patches" >&2
+				echo "to multiple files! Aborting." >&2
+				echo FAIL
+				[[ -n $SUBDIST ]] && mv \
+				    ${WRKDIR1}/${SUBDIST}.orig \
+				    ${WRKDIR1}.orig/${SUBDIST}
+				exit 0
+			fi
+			# Multiple diffs with this file?
+			let n=0
+			pflst=
+			for j in $PATCH_LIST; do
+				[[ ! -f $j || $j = *@(.orig|.rej|~) ]] && \
+				    continue
+				grep "^[+-][+-][+-] $D_CMP[^/]*/$file	" \
+				    "$j" >/dev/null || continue
+				let n++
+				pflst="$pflst '$j'"
+			done
+			if (( n != 1 )); then
+				echo "Cannot process, file $file" >&2
+				echo "is contained in multiple patches:" >&2
+				echo "$pflst" >&2
+				echo FAIL
+				[[ -n $SUBDIST ]] && mv \
+				    ${WRKDIR1}/${SUBDIST}.orig \
+				    ${WRKDIR1}.orig/${SUBDIST}
+				exit 0
+			fi
+			# No, process this patch
+
+			accounted="$accounted $i"
+			# found it, copy preamble before comparision
+			( sed -e "/^--- /,\$d" <$i; \
+			  cd $D_BASE && do_diff "$file" "$D_SUB.orig" "$D_SUB" \
+			) >"$i.new"
+			# did it change ? mark it as changed
+			tfile="$(echo "$file" | $TRANSFORM)"
+			if eval diff "$(echo "${DIFF_FLAGS}" \
+			    | sed "s#@@#${tfile}#g")" \
+			    "$i" "$i.new" 1>&2; then
+				rm "$i.new"
+			else
+				echo "Patch $i for $file updated" >&2
+				mv "$i" "$i.orig"
+				mv "$i.new" "$i"
+				edit="$edit $i"
+			fi
+			continue 2
+		fi
+	done
+
+	# Build a sensible name for the new patch file
+	patchname=patch-$(echo "$file" | sed -e 's#[/. ]#_#g')
+	echo "No patch-* found for $file, creating $patchname" >&2
+	( echo '$Id: update-patches 24 2008-08-31 14:56:13Z wbx $'; \
+	  cd $D_BASE && do_diff "$file" "$D_SUB.orig" "$D_SUB" \
+	) >$patchname
+	edit="$edit $patchname"
+	accounted="$accounted $patchname"
+done
+
+# Verify all patches accounted for
+cd $PATCHDIR
+for i in *; do
+	[[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
+	grep '^\\ No newline at end of file' $i >/dev/null \
+	    && echo "*** Patch $i needs manual intervention" >&2
+	[[ $accounted != *@($i)* ]] \
+	    && echo "*** Patch $i not accounted for" >&2
+done
+
+echo $edit
+[[ -n $SUBDIST ]] && mv ${WRKDIR1}/${SUBDIST}.orig ${WRKDIR1}.orig/${SUBDIST}
+exit 0
-- 
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