From a6926740758524f2c10db70b851d8fc6809e9242 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 27 Jul 2021 17:56:32 +0200
Subject: Add pkgwcp script

---
 bin/pkgdiffex | 47 ++++++++++++++++++++++-------------------------
 bin/pkgwcp    | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 25 deletions(-)
 create mode 100755 bin/pkgwcp

diff --git a/bin/pkgdiffex b/bin/pkgdiffex
index 9cc1116..2e180fa 100755
--- a/bin/pkgdiffex
+++ b/bin/pkgdiffex
@@ -1,35 +1,32 @@
-#!/bin/sh
+#!/bin/sh -ef
 
 # pkgdiffex -- diff files against existing patches
 
-if [ $# -eq 0 ]; then
-	echo "usage: ${0##*/} file ..." 1>&2
-	exit 1
-fi
-
-i=0
-while [ $((++i)) -le $# ]; do
-	o=${1%.orig}.orig
-	if [ ! -f "$o" ]; then
-		echo "${0##*/}: file $o does not exist" 1>&2
-		exit 1
-	fi
-	shift
-	set -- "$@" "$o"
-done
+IFS='
+'
+[ x"$1" = x"-q" ] && q=1 || q=
+wc=$(pkgwcp pkgdiffex)
+cd $wc
+
+trap 'echo "${0##*/}: aborted, working copy saved in $wc" 1>&2;
+	trap -' INT QUIT EXIT
 
-for o in "$@"; do
-	mv "${o%.orig}" "${o%.orig}".new		# f -> f.new
-	cp "$o" "$o"inal				# f.orig +> f.original
-	cp "$o" "${o%.orig}"				# f.orig +> f
+origs=$(find . -name '*.orig' -type f)
+
+for o in $origs; do
+	mv ${o%.orig} ${o%.orig}.new		# f -> f.new
+	cp $o ${o%.orig}			# f.orig -> f (copy)
 done
 
 pkgpatchex
 
 echo '$NetBSD$'
-for o in "$@"; do
-	mv "${o%.orig}" "$o"				# f -> f.orig
-	mv "${o%.orig}".new "${o%.orig}"		# f.new -> f
-	pkgdiff "${o%.orig}" | sed -n '2,$p'
-	mv "$o"inal "$o"				# f.original -> f.orig
+for o in $origs; do
+	mv ${o%.orig} $o			# f -> f.orig
+	mv ${o%.orig}.new ${o%.orig}		# f.new -> f
+	pkgdiff ${o%.orig} | sed -n '2,$p'
 done
+
+trap -
+cd -
+rm -r $wc
diff --git a/bin/pkgwcp b/bin/pkgwcp
new file mode 100755
index 0000000..164101c
--- /dev/null
+++ b/bin/pkgwcp
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# pkgwcp -- create a working copy of modified files
+
+if [ $# -eq 0 ]; then
+	echo "usage: ${0##*/} name" 1>&2
+	exit 1
+fi
+
+if [ -e "$1" ]; then
+	echo "${0##*/}: $1 already exists" 1>&2
+	exit 1
+fi
+
+wd=${1%.pkgwcp}.pkgwcp
+mkdir "$wd"
+
+find . -name '*.orig' -type f | {
+	i=0
+	trap '
+		echo "${0##*/}: $i pairs copied" 1>&2
+		[ $i -eq 0 ] && { rm -r "$wd"; exit 1; }
+		echo "$wd"
+		trap -
+	' INT QUIT EXIT
+	while read -r o; do
+		o=${o#./}
+		o=${o%.orig}.orig
+		n=${o%.orig}
+		dir="$(dirname "$wd/$o")"
+		[ -d "$dir" ] || mkdir -p "$dir"
+		cp "$o" "$wd/$o"
+		cp "$n" "$wd/$n"
+		: $((i++))
+	done
+}
-- 
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