[PATCH v1 3/9] diff: allow --no-color-moved-ws

From

PWPhillip Wood <phillip.wood@talktalk.net>

Date

Nov 16, 2018, 11:03 UTC

Message-ID

<20181116110356.12311-4-phillip.wood@talktalk.net>

In-Reply-To

<20181116110356.12311-1-phillip.wood@talktalk.net>

From: Phillip Wood <phillip.wood@dunelm.org.uk>

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
---
 Documentation/diff-options.txt | 7 +++++++
 diff.c                         | 6 +++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 57a2f4cb7a..e1744fa80d 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -306,6 +306,8 @@ endif::git-diff[]
 	These modes can be given as a comma separated list:
 +
 --
+no::
+	Do not ignore whitespace when performing move detection.
 ignore-space-at-eol::
 	Ignore changes in whitespace at EOL.
 ignore-space-change::
@@ -322,6 +324,11 @@ allow-indentation-change::
 	other modes.
 --
 
+--no-color-moved-ws::
+	Do not ignore whitespace when performing move detection. This can be
+	used to override configuration settings. It is the same as
+	`--color-moved-ws=no`.
+
 --word-diff[=<mode>]::
 	Show a word diff, using the <mode> to delimit changed words.
 	By default, words are delimited by whitespace; see
diff --git a/diff.c b/diff.c
index 78cd3958f4..9b9811988b 100644
--- a/diff.c
+++ b/diff.c
@@ -304,7 +304,9 @@ static int parse_color_moved_ws(const char *arg)
 		strbuf_addstr(&sb, i->string);
 		strbuf_trim(&sb);
 
-		if (!strcmp(sb.buf, "ignore-space-change"))
+		if (!strcmp(sb.buf, "no"))
+			ret = 0;
+		else if (!strcmp(sb.buf, "ignore-space-change"))
 			ret |= XDF_IGNORE_WHITESPACE_CHANGE;
 		else if (!strcmp(sb.buf, "ignore-space-at-eol"))
 			ret |= XDF_IGNORE_WHITESPACE_AT_EOL;
@@ -5008,6 +5010,8 @@ int diff_opt_parse(struct diff_options *options,
 		if (cm < 0)
 			die("bad --color-moved argument: %s", arg);
 		options->color_moved = cm;
+	} else if (!strcmp(arg, "--no-color-moved-ws")) {
+		options->color_moved_ws_handling = 0;
 	} else if (skip_prefix(arg, "--color-moved-ws=", &arg)) {
 		options->color_moved_ws_handling = parse_color_moved_ws(arg);
 	} else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {

-- 
2.19.1