diff: allow --no-color-moved-ws
Allow --no-color-moved-ws and --color-moved-ws=no to cancel any previous
--color-moved-ws option.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 57a2f4c..e1744fa 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -306,6 +306,8 @@
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 @@
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 7fc92dc..4ef0042 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;
@@ -5036,6 +5038,8 @@ 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)) {