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Merge branch 'sb/diff-color-moved-config-option-fixup'

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Minor inconsistency fix.

* sb/diff-color-moved-config-option-fixup:
  diff: align move detection error handling with other options
This commit is contained in:
Junio C Hamano 2019-01-14 15:29:31 -08:00
commit 932b867be0
3 changed files with 36 additions and 10 deletions
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25
diff.c
View File

@ -291,7 +291,7 @@ static int parse_color_moved(const char *arg)
return error(_("color moved setting must be one of 'no', 'default', 'blocks', 'zebra', 'dimmed-zebra', 'plain'"));
}
static int parse_color_moved_ws(const char *arg)
static unsigned parse_color_moved_ws(const char *arg)
{
int ret = 0;
struct string_list l = STRING_LIST_INIT_DUP;
@ -312,15 +312,19 @@ static int parse_color_moved_ws(const char *arg)
ret |= XDF_IGNORE_WHITESPACE;
else if (!strcmp(sb.buf, "allow-indentation-change"))
ret |= COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE;
else
error(_("ignoring unknown color-moved-ws mode '%s'"), sb.buf);
else {
ret |= COLOR_MOVED_WS_ERROR;
error(_("unknown color-moved-ws mode '%s', possible values are 'ignore-space-change', 'ignore-space-at-eol', 'ignore-all-space', 'allow-indentation-change'"), sb.buf);
}
strbuf_release(&sb);
}
if ((ret & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) &&
(ret & XDF_WHITESPACE_FLAGS))
die(_("color-moved-ws: allow-indentation-change cannot be combined with other white space modes"));
(ret & XDF_WHITESPACE_FLAGS)) {
error(_("color-moved-ws: allow-indentation-change cannot be combined with other white space modes"));
ret |= COLOR_MOVED_WS_ERROR;
}
string_list_clear(&l, 0);
@ -341,8 +345,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
if (!strcmp(var, "diff.colormovedws")) {
int cm = parse_color_moved_ws(value);
if (cm < 0)
unsigned cm = parse_color_moved_ws(value);
if (cm & COLOR_MOVED_WS_ERROR)
return -1;
diff_color_moved_ws_default = cm;
return 0;
@ -5034,10 +5038,13 @@ int diff_opt_parse(struct diff_options *options,
else if (skip_prefix(arg, "--color-moved=", &arg)) {
int cm = parse_color_moved(arg);
if (cm < 0)
die("bad --color-moved argument: %s", arg);
return error("bad --color-moved argument: %s", arg);
options->color_moved = cm;
} else if (skip_prefix(arg, "--color-moved-ws=", &arg)) {
options->color_moved_ws_handling = parse_color_moved_ws(arg);
unsigned cm = parse_color_moved_ws(arg);
if (cm & COLOR_MOVED_WS_ERROR)
return -1;
options->color_moved_ws_handling = cm;
} else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;

3
diff.h
View File

@ -225,7 +225,8 @@ struct diff_options {
/* XDF_WHITESPACE_FLAGS regarding block detection are set at 2, 3, 4 */
#define COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE (1<<5)
int color_moved_ws_handling;
#define COLOR_MOVED_WS_ERROR (1<<0)
unsigned color_moved_ws_handling;
struct repository *repo;
};

18
t/t4015-diff-whitespace.sh
View File

@ -1890,6 +1890,24 @@ test_expect_success 'compare whitespace delta across moved blocks' '
test_cmp expected actual
'
test_expect_success 'bogus settings in move detection erroring out' '
test_must_fail git diff --color-moved=bogus 2>err &&
test_i18ngrep "must be one of" err &&
test_i18ngrep bogus err &&
test_must_fail git -c diff.colormoved=bogus diff 2>err &&
test_i18ngrep "must be one of" err &&
test_i18ngrep "from command-line config" err &&
test_must_fail git diff --color-moved-ws=bogus 2>err &&
test_i18ngrep "possible values" err &&
test_i18ngrep bogus err &&
test_must_fail git -c diff.colormovedws=bogus diff 2>err &&
test_i18ngrep "possible values" err &&
test_i18ngrep "from command-line config" err
'
test_expect_success 'compare whitespace delta incompatible with other space options' '
test_must_fail git diff \
--color-moved-ws=allow-indentation-change,ignore-all-space \