From 763e138b3dc2c5b68aa7edf8d3e9e520380495d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Mon, 26 Jul 2021 22:21:40 +0200
Subject: Add pkgdiffex script

---
 bin/pkgdiffex | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 bin/pkgdiffex

(limited to 'bin/pkgdiffex')

diff --git a/bin/pkgdiffex b/bin/pkgdiffex
new file mode 100755
index 0000000..d2fea2b
--- /dev/null
+++ b/bin/pkgdiffex
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# 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 $o does not exist" 1>&2
+		exit 1
+	fi
+	shift
+	set -- "$@" "$o"
+done
+
+cmd=cat
+for o in "$@"; 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
+done
+
+ls "$(whereispatch -i)"/patch-* | while read -r patch; do
+	pkgpatch <$patch
+done
+
+for o in "$@"; do
+	mv "${o%.orig}" "$o"				# f -> f.orig
+	mv "${o%.orig}".new "${o%.orig}"		# f.new -> f
+	pkgdiff "${o%.orig}" | $cmd
+	mv "$o"inal "$o"				# f.original -> f.orig
+	cmd='sed -n 2,$p'
+done
-- 
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