diff options
| -rw-r--r-- | Documentation/diff-options.txt | 7 | ||||
| -rw-r--r-- | diff.c | 24 | ||||
| -rwxr-xr-x | t/t4000-diff-format.sh | 34 |
3 files changed, 51 insertions, 14 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 08ab86189a..9f33f88771 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -35,8 +35,11 @@ endif::git-diff[] -s:: --no-patch:: - Suppress diff output. Useful for commands like `git show` that - show the patch by default, or to cancel the effect of `--patch`. + Suppress all output from the diff machinery. Useful for + commands like `git show` that show the patch by default to + squelch their output, or to cancel the effect of options like + `--patch`, `--stat` earlier on the command line in an alias. + endif::git-format-patch[] ifdef::git-log[] @@ -4936,6 +4936,7 @@ static int diff_opt_stat(const struct option *opt, const char *value, int unset) } else BUG("%s should not get here", opt->long_name); + options->output_format &= ~DIFF_FORMAT_NO_OUTPUT; options->output_format |= DIFF_FORMAT_DIFFSTAT; options->stat_name_width = name_width; options->stat_graph_width = graph_width; @@ -4955,6 +4956,7 @@ static int parse_dirstat_opt(struct diff_options *options, const char *params) * The caller knows a dirstat-related option is given from the command * line; allow it to say "return this_function();" */ + options->output_format &= ~DIFF_FORMAT_NO_OUTPUT; options->output_format |= DIFF_FORMAT_DIRSTAT; return 1; } @@ -5154,6 +5156,7 @@ static int diff_opt_compact_summary(const struct option *opt, options->flags.stat_with_summary = 0; } else { options->flags.stat_with_summary = 1; + options->output_format &= ~DIFF_FORMAT_NO_OUTPUT; options->output_format |= DIFF_FORMAT_DIFFSTAT; } return 0; @@ -5499,9 +5502,8 @@ struct option *add_diff_options(const struct option *opts, OPT_BITOP('p', "patch", &options->output_format, N_("generate patch"), DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT), - OPT_BIT_F('s', "no-patch", &options->output_format, - N_("suppress diff output"), - DIFF_FORMAT_NO_OUTPUT, PARSE_OPT_NONEG), + OPT_SET_INT('s', "no-patch", &options->output_format, + N_("suppress diff output"), DIFF_FORMAT_NO_OUTPUT), OPT_BITOP('u', NULL, &options->output_format, N_("generate patch"), DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT), @@ -5510,9 +5512,9 @@ struct option *add_diff_options(const struct option *opts, PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_unified), OPT_BOOL('W', "function-context", &options->flags.funccontext, N_("generate diffs with <n> lines context")), - OPT_BIT_F(0, "raw", &options->output_format, + OPT_BITOP(0, "raw", &options->output_format, N_("generate the diff in raw format"), - DIFF_FORMAT_RAW, PARSE_OPT_NONEG), + DIFF_FORMAT_RAW, DIFF_FORMAT_NO_OUTPUT), OPT_BITOP(0, "patch-with-raw", &options->output_format, N_("synonym for '-p --raw'"), DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW, @@ -5521,12 +5523,12 @@ struct option *add_diff_options(const struct option *opts, N_("synonym for '-p --stat'"), DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT, DIFF_FORMAT_NO_OUTPUT), - OPT_BIT_F(0, "numstat", &options->output_format, + OPT_BITOP(0, "numstat", &options->output_format, N_("machine friendly --stat"), - DIFF_FORMAT_NUMSTAT, PARSE_OPT_NONEG), - OPT_BIT_F(0, "shortstat", &options->output_format, + DIFF_FORMAT_NUMSTAT, DIFF_FORMAT_NO_OUTPUT), + OPT_BITOP(0, "shortstat", &options->output_format, N_("output only the last line of --stat"), - DIFF_FORMAT_SHORTSTAT, PARSE_OPT_NONEG), + DIFF_FORMAT_SHORTSTAT, DIFF_FORMAT_NO_OUTPUT), OPT_CALLBACK_F('X', "dirstat", options, N_("<param1,param2>..."), N_("output the distribution of relative amount of changes for each sub-directory"), PARSE_OPT_NONEG | PARSE_OPT_OPTARG, @@ -5542,9 +5544,9 @@ struct option *add_diff_options(const struct option *opts, OPT_BIT_F(0, "check", &options->output_format, N_("warn if changes introduce conflict markers or whitespace errors"), DIFF_FORMAT_CHECKDIFF, PARSE_OPT_NONEG), - OPT_BIT_F(0, "summary", &options->output_format, + OPT_BITOP(0, "summary", &options->output_format, N_("condensed summary such as creations, renames and mode changes"), - DIFF_FORMAT_SUMMARY, PARSE_OPT_NONEG), + DIFF_FORMAT_SUMMARY, DIFF_FORMAT_NO_OUTPUT), OPT_BIT_F(0, "name-only", &options->output_format, N_("show only names of changed files"), DIFF_FORMAT_NAME, PARSE_OPT_NONEG), diff --git a/t/t4000-diff-format.sh b/t/t4000-diff-format.sh index bfcaae390f..8d50331b8c 100755 --- a/t/t4000-diff-format.sh +++ b/t/t4000-diff-format.sh @@ -5,6 +5,9 @@ test_description='Test built-in diff output engine. +We happen to know that all diff plumbing and diff Porcelain share the +same command line parser, so testing one should be sufficient; pick +diff-files as a representative. ' TEST_PASSES_SANITIZE_LEAK=true @@ -16,9 +19,11 @@ Line 2 line 3' cat path0 >path1 chmod +x path1 +mkdir path2 +>path2/path3 test_expect_success 'update-index --add two files with and without +x.' ' - git update-index --add path0 path1 + git update-index --add path0 path1 path2/path3 ' mv path0 path0- @@ -91,4 +96,31 @@ test_expect_success 'git diff-files --patch --no-patch does not show the patch' test_must_be_empty err ' + +# Smudge path2/path3 so that dirstat has something to show +date >path2/path3 + +for format in stat raw numstat shortstat summary \ + dirstat cumulative dirstat-by-file \ + patch-with-raw patch-with-stat compact-summary +do + test_expect_success "--no-patch in 'git diff-files --no-patch --$format' is a no-op" ' + git diff-files --no-patch "--$format" >actual && + git diff-files "--$format" >expect && + test_cmp expect actual + ' + + test_expect_success "--no-patch clears all previous ones" ' + git diff-files --$format -s -p >actual && + git diff-files -p >expect && + test_cmp expect actual + ' + + test_expect_success "--no-patch in 'git diff --no-patch --$format' is a no-op" ' + git diff --no-patch "--$format" >actual && + git diff "--$format" >expect && + test_cmp expect actual + ' +done + test_done |