diff options
| -rw-r--r-- | diff.c | 25 | ||||
| -rw-r--r-- | diff.h | 3 | ||||
| -rwxr-xr-x | t/t4015-diff-whitespace.sh | 18 |
3 files changed, 36 insertions, 10 deletions
@@ -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; @@ -5032,10 +5036,13 @@ 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; @@ -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; }; diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh index a9fb226..9a3e4fd 100755 --- a/t/t4015-diff-whitespace.sh +++ b/t/t4015-diff-whitespace.sh @@ -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 \ |