1 files changed, 93 insertions, 0 deletions
diff --git a/scripts/diff2patches.sh b/scripts/diff2patches.sh
new file mode 100755
index 0000000..b3a99d3
--- /dev/null
+++ b/scripts/diff2patches.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+
+####################
+#    Copyright (C) 2007, 2008 by Raphael Geissert <atomo64@gmail.com>
+#
+#    This file is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This file is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this file  If not, see <https://www.gnu.org/licenses/>.
+#
+#    On Debian systems, the complete text of the GNU General
+#    Public License 3 can be found in '/usr/share/common-licenses/GPL-3'.
+####################
+
+set -e
+
+PROGNAME=$(basename "$0")
+
+usage () {
+    echo \
+"Usage: $PROGNAME [options] FILE.diff.gz
+  Options:
+    --help          Show this message
+    --version       Show version and copyright information
+  debian/control must exist on the current path for this script to work
+  If debian/patches exists and is a directory, patches are extracted there,
+  otherwise they are extracted under debian/ (unless the environment variable
+  DEB_PATCHES is defined and points to a valid directory, in which case
+  patches are extracted there)."
+}
+
+version () {
+    echo \
+"This is $PROGNAME, from the Debian devscripts package, version ###VERSION###
+This code is copyright 2007, 2008 by Raphael Geissert, all rights reserved.
+This program comes with ABSOLUTELY NO WARRANTY.
+You are free to redistribute this code under the terms of the
+GNU General Public License, version 3 or later."
+}
+
+case "$1" in
+	--help) usage; exit 0 ;;
+	--version) version; exit 0 ;;
+esac
+
+if ! which lsdiff >/dev/null 2>&1; then
+	echo "lsdiff was not found in \$PATH, package patchutils probably not installed!"
+	exit 1
+fi
+
+diffgz="$1"
+
+if [ ! -f "$diffgz" ]; then
+	[ -z "$diffgz" ] && diffgz="an unspecified .diff.gz"
+	echo "Couldn't find $diffgz, aborting!"
+	exit 1
+fi
+
+if [ -x /usr/bin/dh_testdir ]; then
+	/usr/bin/dh_testdir || exit 1
+else
+	[ ! -f debian/control ] && echo "Couldn't find debian/control!" && exit 1
+fi
+
+if [ -z "$DEB_PATCHES" ] || [ ! -d "$DEB_PATCHES" ]; then
+	DEB_PATCHES=debian
+	[ -d debian/patches ] && DEB_PATCHES=debian/patches
+else
+	DEB_PATCHES="$(readlink -f "$DEB_PATCHES")"
+fi
+
+echo "Patches will be extracted under $DEB_PATCHES/"
+
+FILES=$(zcat "$diffgz" | lsdiff --strip 1 | grep -v ^debian/) || \
+	echo "$(basename "$diffgz") doesn't contain any patch outside debian/"
+
+for file in $FILES; do
+	[ ! -z "$file" ] || continue
+	echo -n "Extracting $file..."
+	newFileName="$DEB_PATCHES/$(echo "$file" | sed 's#/#___#g').patch"
+	zcat "$diffgz" | filterdiff -i "$file" -p1 > "$newFileName"
+	echo "done"
+done
+
+exit