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https://github.com/git/git
synced 2024-10-01 06:05:20 +00:00
Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file
Instead of having multiple interconnected dirstat-related options, teach the --dirstat option itself to accept all behavior modifiers as parameters. - Preserve the current --dirstat=<limit> (where <limit> is an integer specifying a cut-off percentage) - Add --dirstat=cumulative, replacing --cumulative - Add --dirstat=files, replacing --dirstat-by-file - Also add --dirstat=changes and --dirstat=noncumulative for specifying the current default behavior. These allow the user to reset other --dirstat parameters (e.g. 'cumulative' and 'files') occuring earlier on the command line. The deprecated options (--cumulative and --dirstat-by-file) are still functional, although they have been removed from the documentation. Allow multiple parameters to be separated by commas, e.g.: --dirstat=files,10,cumulative Update the documentation accordingly, and add testcases verifying the behavior of the new syntax. Improved-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johan Herland
Junio C Hamano
parent
58a8756a98
commit
333f3fb0c5
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@ -66,19 +66,39 @@ endif::git-format-patch[]
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number of modified files, as well as number of added and deleted
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lines.
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--dirstat[=<limit>]::
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Output the distribution of relative amount of changes (number of lines added or
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removed) for each sub-directory. Directories with changes below
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a cut-off percent (3% by default) are not shown. The cut-off percent
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can be set with `--dirstat=<limit>`. Changes in a child directory are not
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counted for the parent directory, unless `--cumulative` is used.
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--dirstat[=<param1,param2,...>]::
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Output the distribution of relative amount of changes for each
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sub-directory. The behavior of `--dirstat` can be customized by
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passing it a comma separated list of parameters.
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The following parameters are available:
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+
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Note that the `--dirstat` option computes the changes while ignoring
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the amount of pure code movements within a file. In other words,
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rearranging lines in a file is not counted as much as other changes.
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--dirstat-by-file[=<limit>]::
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Same as `--dirstat`, but counts changed files instead of lines.
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--
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`changes`;;
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Compute the dirstat numbers by counting the lines that have been
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removed from the source, or added to the destination. This ignores
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the amount of pure code movements within a file. In other words,
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rearranging lines in a file is not counted as much as other changes.
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This is the default behavior when no parameter is given.
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`files`;;
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Compute the dirstat numbers by counting the number of files changed.
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Each changed file counts equally in the dirstat analysis. This is
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the computationally cheapest `--dirstat` behavior, since it does
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not have to look at the file contents at all.
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`cumulative`;;
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Count changes in a child directory for the parent directory as well.
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Note that when using `cumulative`, the sum of the percentages
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reported may exceed 100%. The default (non-cumulative) behavior can
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be specified with the `noncumulative` parameter.
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<limit>;;
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An integer parameter specifies a cut-off percent (3% by default).
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Directories contributing less than this percentage of the changes
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are not shown in the output.
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--
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+
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Example: The following will count changed files, while ignoring
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directories with less than 10% of the total amount of changed files,
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and accumulating child directory counts in the parent directories:
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`--dirstat=files,10,cumulative`.
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--summary::
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Output a condensed summary of extended header information
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69
diff.c
69
diff.c
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@ -66,6 +66,41 @@ static int parse_diff_color_slot(const char *var, int ofs)
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return -1;
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}
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static int parse_dirstat_params(struct diff_options *options, const char *params)
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{
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const char *p = params;
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while (*p) {
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if (!prefixcmp(p, "changes")) {
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p += 7;
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DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
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} else if (!prefixcmp(p, "files")) {
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p += 5;
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DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
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} else if (!prefixcmp(p, "noncumulative")) {
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p += 13;
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DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE);
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} else if (!prefixcmp(p, "cumulative")) {
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p += 10;
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DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
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} else if (isdigit(*p)) {
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char *end;
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options->dirstat_percent = strtoul(p, &end, 10);
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p = end;
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} else
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return error("Unknown --dirstat parameter '%s'", p);
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if (*p) {
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/* more parameters, swallow separator */
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if (*p != ',')
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return error("Missing comma separator at char "
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"%"PRIuMAX" of '%s'",
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(uintmax_t) (p - params), params);
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p++;
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}
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}
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return 0;
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}
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static int git_config_rename(const char *var, const char *value)
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{
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if (!value)
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@ -3149,6 +3184,18 @@ static int stat_opt(struct diff_options *options, const char **av)
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return argcount;
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}
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static int parse_dirstat_opt(struct diff_options *options, const char *params)
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{
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if (parse_dirstat_params(options, params))
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die("Failed to parse --dirstat/-X option parameter");
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/*
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* The caller knows a dirstat-related option is given from the command
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* line; allow it to say "return this_function();"
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*/
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options->output_format |= DIFF_FORMAT_DIRSTAT;
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return 1;
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}
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int diff_opt_parse(struct diff_options *options, const char **av, int ac)
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{
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const char *arg = av[0];
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@ -3168,15 +3215,19 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
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options->output_format |= DIFF_FORMAT_NUMSTAT;
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else if (!strcmp(arg, "--shortstat"))
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options->output_format |= DIFF_FORMAT_SHORTSTAT;
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else if (opt_arg(arg, 'X', "dirstat", &options->dirstat_percent))
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options->output_format |= DIFF_FORMAT_DIRSTAT;
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else if (!strcmp(arg, "--cumulative")) {
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options->output_format |= DIFF_FORMAT_DIRSTAT;
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DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
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} else if (opt_arg(arg, 0, "dirstat-by-file",
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&options->dirstat_percent)) {
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options->output_format |= DIFF_FORMAT_DIRSTAT;
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DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
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else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
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return parse_dirstat_opt(options, "");
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else if (!prefixcmp(arg, "-X"))
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return parse_dirstat_opt(options, arg + 2);
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else if (!prefixcmp(arg, "--dirstat="))
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return parse_dirstat_opt(options, arg + 10);
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else if (!strcmp(arg, "--cumulative"))
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return parse_dirstat_opt(options, "cumulative");
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else if (!strcmp(arg, "--dirstat-by-file"))
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return parse_dirstat_opt(options, "files");
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else if (!prefixcmp(arg, "--dirstat-by-file=")) {
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parse_dirstat_opt(options, "files");
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return parse_dirstat_opt(options, arg + 18);
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}
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else if (!strcmp(arg, "--check"))
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options->output_format |= DIFF_FORMAT_CHECKDIFF;
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@ -330,7 +330,9 @@ EOF
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test_expect_success 'various ways to misspell --dirstat' '
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test_must_fail git show --dirstat10 &&
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test_must_fail git show -X=20
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test_must_fail git show --dirstat10,files &&
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test_must_fail git show -X=20 &&
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test_must_fail git show -X=20,cumulative
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'
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test_expect_success 'vanilla --dirstat' '
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@ -351,6 +353,39 @@ test_expect_success 'vanilla -X' '
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success 'explicit defaults: --dirstat=changes,noncumulative,3' '
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git diff --dirstat=changes,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=changes,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=changes,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success 'explicit defaults: -Xchanges,noncumulative,3' '
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git diff -Xchanges,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff -Xchanges,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff -Xchanges,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success 'later options override earlier options:' '
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git diff --dirstat=files,10,cumulative,changes,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files,10,cumulative,changes,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files,10,cumulative,changes,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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cat <<EOF >expect_diff_dirstat
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2.1% changed/
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10.8% dst/copy/changed/
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@ -454,6 +489,24 @@ test_expect_success '--dirstat=0 --cumulative' '
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success '--dirstat=0,cumulative' '
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git diff --dirstat=0,cumulative HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=0,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=0,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success '-X0,cumulative' '
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git diff -X0,cumulative HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff -X0,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff -X0,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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cat <<EOF >expect_diff_dirstat
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9.0% changed/
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9.0% dst/copy/changed/
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@ -496,6 +549,15 @@ test_expect_success '--dirstat-by-file' '
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success '--dirstat=files' '
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git diff --dirstat=files HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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cat <<EOF >expect_diff_dirstat
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27.2% dst/copy/
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27.2% dst/move/
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@ -530,6 +592,15 @@ test_expect_success '--dirstat-by-file=10' '
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success '--dirstat=files,10' '
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git diff --dirstat=files,10 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files,10 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files,10 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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cat <<EOF >expect_diff_dirstat
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9.0% changed/
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9.0% dst/copy/changed/
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@ -582,4 +653,54 @@ test_expect_success '--dirstat-by-file --cumulative' '
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_expect_success '--dirstat=files,cumulative' '
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git diff --dirstat=files,cumulative HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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cat <<EOF >expect_diff_dirstat
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27.2% dst/copy/
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27.2% dst/move/
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54.5% dst/
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27.2% src/move/
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EOF
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cat <<EOF >expect_diff_dirstat_M
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14.2% changed/
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14.2% dst/copy/changed/
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14.2% dst/copy/rearranged/
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14.2% dst/copy/unchanged/
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42.8% dst/copy/
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14.2% dst/move/changed/
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14.2% dst/move/rearranged/
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28.5% dst/move/
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71.4% dst/
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14.2% rearranged/
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EOF
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cat <<EOF >expect_diff_dirstat_CC
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16.6% changed/
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16.6% dst/copy/changed/
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16.6% dst/copy/rearranged/
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33.3% dst/copy/
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16.6% dst/move/changed/
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16.6% dst/move/rearranged/
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33.3% dst/move/
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66.6% dst/
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16.6% rearranged/
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EOF
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test_expect_success '--dirstat=files,cumulative,10' '
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git diff --dirstat=files,cumulative,10 HEAD^..HEAD >actual_diff_dirstat &&
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test_cmp expect_diff_dirstat actual_diff_dirstat &&
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git diff --dirstat=files,cumulative,10 -M HEAD^..HEAD >actual_diff_dirstat_M &&
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test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
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git diff --dirstat=files,cumulative,10 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
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test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
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'
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test_done
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