From 58987954647f51dc42fb13b7759923c6170dd905 Mon Sep 17 00:00:00 2001
From: Tim Waugh <twaugh@redhat.com>
Date: Fri, 9 May 2014 16:23:27 +0100
Subject: Make --clean drop comments after '@@' lines as well (trac #29).


diff --git a/Makefile.am b/Makefile.am
index 99ad2a3..f3c6dbc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -198,6 +198,7 @@ TESTS = tests/newline1/run-test \
 	tests/convert1/run-test \
 	tests/convert2/run-test \
 	tests/clean1/run-test \
+	tests/clean2/run-test \
 	tests/stdin/run-test
 
 # These ones don't work yet.
diff --git a/src/filterdiff.c b/src/filterdiff.c
index 383e72b..6ca2316 100644
--- a/src/filterdiff.c
+++ b/src/filterdiff.c
@@ -2,7 +2,7 @@
  * filterdiff - extract (or exclude) a diff from a diff file
  * lsdiff - show which files are modified by a patch
  * grepdiff - show files modified by a patch containing a regexp
- * Copyright (C) 2001, 2002, 2003, 2004, 2008, 2009, 2011 Tim Waugh <twaugh@redhat.com>
+ * Copyright (C) 2001, 2002, 2003, 2004, 2008, 2009, 2011, 2013, 2014 Tim Waugh <twaugh@redhat.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -408,7 +408,8 @@ do_unified (FILE *f, char *header[2], int match, char **line,
 							 " Hunk #%lu, %s",
 							 hunknum, bestname);
 
-					fputs (trailing, output_to);
+					fputs (clean_comments ? "\n" : trailing,
+					       output_to);
 					break;
 				case Before:
 					// Note the initial line number
diff --git a/tests/clean2/run-test b/tests/clean2/run-test
new file mode 100755
index 0000000..42320df
--- /dev/null
+++ b/tests/clean2/run-test
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# This is a filterdiff(1) testcase.
+# Test: Make sure --clean removes hunk-level comments.
+
+
+. ${top_srcdir-.}/tests/common.sh
+
+cat << EOF > diff
+non-diff line
+--- a/file1
++++ b/file1
+@@ -0,0 +1 @@ this is a hunk-level comment
++a
+EOF
+
+${FILTERDIFF} --clean diff 2>errors >filtered || exit 1
+[ -s errors ] && exit 1
+
+cat << EOF | cmp - filtered || exit 1
+--- a/file1
++++ b/file1
+@@ -0,0 +1 @@
++a
+EOF
+
+${FILTERDIFF} --clean -x file1 diff 2>errors >filtered || exit 1
+[ -s errors ] && exit 1
+cat << EOF | cmp - filtered || exit 1
+--- a/file1
++++ b/file1
+@@ -0,0 +1 @@
++a
+EOF
-- 
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