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Merge branch 'jh/dirstat-lines' 

* jh/dirstat-lines:
  Mark dirstat error messages for translation
  Improve error handling when parsing dirstat parameters
  New --dirstat=lines mode, doing dirstat analysis based on diffstat
  Allow specifying --dirstat cut-off percentage as a floating point number
  Add config variable for specifying default --dirstat behavior
  Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file
  Make --dirstat=0 output directories that contribute < 0.1% of changes
  Add several testcases for --dirstat and friends
maint
Junio C Hamano 14 years ago
parent
f7d59e2568 7478ac57c4
commit
df54e2bfd6
5 changed files with 1219 additions and 32 deletions
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  1. 44
      Documentation/diff-config.txt
  2. 54
      Documentation/diff-options.txt
  3. 171
      diff.c
  4. 3
      diff.h
  5. 979
      t/t4047-diff-dirstat.sh

44
Documentation/diff-config.txt
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@ -8,6 +8,50 @@ diff.autorefreshindex:: @@ -8,6 +8,50 @@ diff.autorefreshindex::
affects only 'git diff' Porcelain, and not lower level
'diff' commands such as 'git diff-files'.

diff.dirstat::
A comma separated list of `--dirstat` parameters specifying the
default behavior of the `--dirstat` option to linkgit:git-diff[1]`
and friends. The defaults can be overridden on the command line
(using `--dirstat=<param1,param2,...>`). The fallback defaults
(when not changed by `diff.dirstat`) are `changes,noncumulative,3`.
The following parameters are available:
+
--
`changes`;;
Compute the dirstat numbers by counting the lines that have been
removed from the source, or added to the destination. This ignores
the amount of pure code movements within a file. In other words,
rearranging lines in a file is not counted as much as other changes.
This is the default behavior when no parameter is given.
`lines`;;
Compute the dirstat numbers by doing the regular line-based diff
analysis, and summing the removed/added line counts. (For binary
files, count 64-byte chunks instead, since binary files have no
natural concept of lines). This is a more expensive `--dirstat`
behavior than the `changes` behavior, but it does count rearranged
lines within a file as much as other changes. The resulting output
is consistent with what you get from the other `--*stat` options.
`files`;;
Compute the dirstat numbers by counting the number of files changed.
Each changed file counts equally in the dirstat analysis. This is
the computationally cheapest `--dirstat` behavior, since it does
not have to look at the file contents at all.
`cumulative`;;
Count changes in a child directory for the parent directory as well.
Note that when using `cumulative`, the sum of the percentages
reported may exceed 100%. The default (non-cumulative) behavior can
be specified with the `noncumulative` parameter.
<limit>;;
An integer parameter specifies a cut-off percent (3% by default).
Directories contributing less than this percentage of the changes
are not shown in the output.
--
+
Example: The following will count changed files, while ignoring
directories with less than 10% of the total amount of changed files,
and accumulating child directory counts in the parent directories:
`files,10,cumulative`.

diff.external::
If this config variable is set, diff generation is not
performed using the internal diff machinery, but using the

54
Documentation/diff-options.txt
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@ -66,19 +66,49 @@ endif::git-format-patch[] @@ -66,19 +66,49 @@ endif::git-format-patch[]
number of modified files, as well as number of added and deleted
lines.

--dirstat[=<limit>]::
Output the distribution of relative amount of changes (number of lines added or
removed) for each sub-directory. Directories with changes below
a cut-off percent (3% by default) are not shown. The cut-off percent
can be set with `--dirstat=<limit>`. Changes in a child directory are not
counted for the parent directory, unless `--cumulative` is used.
--dirstat[=<param1,param2,...>]::
Output the distribution of relative amount of changes for each
sub-directory. The behavior of `--dirstat` can be customized by
passing it a comma separated list of parameters.
The defaults are controlled by the `diff.dirstat` configuration
variable (see linkgit:git-config[1]).
The following parameters are available:
+
Note that the `--dirstat` option computes the changes while ignoring
the amount of pure code movements within a file. In other words,
rearranging lines in a file is not counted as much as other changes.

--dirstat-by-file[=<limit>]::
Same as `--dirstat`, but counts changed files instead of lines.
--
`changes`;;
Compute the dirstat numbers by counting the lines that have been
removed from the source, or added to the destination. This ignores
the amount of pure code movements within a file. In other words,
rearranging lines in a file is not counted as much as other changes.
This is the default behavior when no parameter is given.
`lines`;;
Compute the dirstat numbers by doing the regular line-based diff
analysis, and summing the removed/added line counts. (For binary
files, count 64-byte chunks instead, since binary files have no
natural concept of lines). This is a more expensive `--dirstat`
behavior than the `changes` behavior, but it does count rearranged
lines within a file as much as other changes. The resulting output
is consistent with what you get from the other `--*stat` options.
`files`;;
Compute the dirstat numbers by counting the number of files changed.
Each changed file counts equally in the dirstat analysis. This is
the computationally cheapest `--dirstat` behavior, since it does
not have to look at the file contents at all.
`cumulative`;;
Count changes in a child directory for the parent directory as well.
Note that when using `cumulative`, the sum of the percentages
reported may exceed 100%. The default (non-cumulative) behavior can
be specified with the `noncumulative` parameter.
<limit>;;
An integer parameter specifies a cut-off percent (3% by default).
Directories contributing less than this percentage of the changes
are not shown in the output.
--
+
Example: The following will count changed files, while ignoring
directories with less than 10% of the total amount of changed files,
and accumulating child directory counts in the parent directories:
`--dirstat=files,10,cumulative`.

--summary::
Output a condensed summary of extended header information

171
diff.c
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@ -31,6 +31,7 @@ static const char *external_diff_cmd_cfg; @@ -31,6 +31,7 @@ static const char *external_diff_cmd_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;

static char diff_colors[][COLOR_MAXLEN] = {
@ -66,6 +67,58 @@ static int parse_diff_color_slot(const char *var, int ofs) @@ -66,6 +67,58 @@ static int parse_diff_color_slot(const char *var, int ofs)
return -1;
}

static int parse_dirstat_params(struct diff_options *options, const char *params,
struct strbuf *errmsg)
{
const char *p = params;
int p_len, ret = 0;

while (*p) {
p_len = strchrnul(p, ',') - p;
if (!memcmp(p, "changes", p_len)) {
DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
} else if (!memcmp(p, "lines", p_len)) {
DIFF_OPT_SET(options, DIRSTAT_BY_LINE);
DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
} else if (!memcmp(p, "files", p_len)) {
DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
} else if (!memcmp(p, "noncumulative", p_len)) {
DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE);
} else if (!memcmp(p, "cumulative", p_len)) {
DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
} else if (isdigit(*p)) {
char *end;
int permille = strtoul(p, &end, 10) * 10;
if (*end == '.' && isdigit(*++end)) {
/* only use first digit */
permille += *end - '0';
/* .. and ignore any further digits */
while (isdigit(*++end))
; /* nothing */
}
if (end - p == p_len)
options->dirstat_permille = permille;
else {
strbuf_addf(errmsg, _(" Failed to parse dirstat cut-off percentage '%.*s'\n"),
p_len, p);
ret++;
}
} else {
strbuf_addf(errmsg, _(" Unknown dirstat parameter '%.*s'\n"),
p_len, p);
ret++;
}

p += p_len;

if (*p)
p++; /* more parameters, swallow separator */
}
return ret;
}

static int git_config_rename(const char *var, const char *value)
{
if (!value)
@ -145,6 +198,17 @@ int git_diff_basic_config(const char *var, const char *value, void *cb) @@ -145,6 +198,17 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
return 0;
}

if (!strcmp(var, "diff.dirstat")) {
struct strbuf errmsg = STRBUF_INIT;
default_diff_options.dirstat_permille = diff_dirstat_permille_default;
if (parse_dirstat_params(&default_diff_options, value, &errmsg))
warning(_("Found errors in 'diff.dirstat' config variable:\n%s"),
errmsg.buf);
strbuf_release(&errmsg);
diff_dirstat_permille_default = default_diff_options.dirstat_permille;
return 0;
}

if (!prefixcmp(var, "submodule."))
return parse_submodule_config_option(var, value);

@ -1455,7 +1519,7 @@ struct dirstat_file { @@ -1455,7 +1519,7 @@ struct dirstat_file {

struct dirstat_dir {
struct dirstat_file *files;
int alloc, nr, percent, cumulative;
int alloc, nr, permille, cumulative;
};

static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir,
@ -1502,12 +1566,11 @@ static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir, @@ -1502,12 +1566,11 @@ static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir,
* under this directory (sources == 1).
*/
if (baselen && sources != 1) {
int permille = this_dir * 1000 / changed;
if (permille) {
int percent = permille / 10;
if (percent >= dir->percent) {
if (this_dir) {
int permille = this_dir * 1000 / changed;
if (permille >= dir->permille) {
fprintf(opt->file, "%s%4d.%01d%% %.*s\n", line_prefix,
percent, permille % 10, baselen, base);
permille / 10, permille % 10, baselen, base);
if (!dir->cumulative)
return 0;
}
@ -1533,7 +1596,7 @@ static void show_dirstat(struct diff_options *options) @@ -1533,7 +1596,7 @@ static void show_dirstat(struct diff_options *options)
dir.files = NULL;
dir.alloc = 0;
dir.nr = 0;
dir.percent = options->dirstat_percent;
dir.permille = options->dirstat_permille;
dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);

changed = 0;
@ -1622,6 +1685,50 @@ found_damage: @@ -1622,6 +1685,50 @@ found_damage:
gather_dirstat(options, &dir, changed, "", 0);
}

static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *options)
{
int i;
unsigned long changed;
struct dirstat_dir dir;

if (data->nr == 0)
return;

dir.files = NULL;
dir.alloc = 0;
dir.nr = 0;
dir.permille = options->dirstat_permille;
dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);

changed = 0;
for (i = 0; i < data->nr; i++) {
struct diffstat_file *file = data->files[i];
unsigned long damage = file->added + file->deleted;
if (file->is_binary)
/*
* binary files counts bytes, not lines. Must find some
* way to normalize binary bytes vs. textual lines.
* The following heuristic assumes that there are 64
* bytes per "line".
* This is stupid and ugly, but very cheap...
*/
damage = (damage + 63) / 64;
ALLOC_GROW(dir.files, dir.nr + 1, dir.alloc);
dir.files[dir.nr].name = file->name;
dir.files[dir.nr].changed = damage;
changed += damage;
dir.nr++;
}

/* This can happen even with many files, if everything was renames */
if (!changed)
return;

/* Show all directories with more than x% of the changes */
qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare);
gather_dirstat(options, &dir, changed, "", 0);
}

static void free_diffstat_info(struct diffstat_t *diffstat)
{
int i;
@ -2891,7 +2998,7 @@ void diff_setup(struct diff_options *options) @@ -2891,7 +2998,7 @@ void diff_setup(struct diff_options *options)
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
options->dirstat_percent = 3;
options->dirstat_permille = diff_dirstat_permille_default;
options->context = 3;

options->change = diff_change;
@ -3149,6 +3256,21 @@ static int stat_opt(struct diff_options *options, const char **av) @@ -3149,6 +3256,21 @@ static int stat_opt(struct diff_options *options, const char **av)
return argcount;
}

static int parse_dirstat_opt(struct diff_options *options, const char *params)
{
struct strbuf errmsg = STRBUF_INIT;
if (parse_dirstat_params(options, params, &errmsg))
die(_("Failed to parse --dirstat/-X option parameter:\n%s"),
errmsg.buf);
strbuf_release(&errmsg);
/*
* 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_DIRSTAT;
return 1;
}

int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
@ -3168,15 +3290,19 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) @@ -3168,15 +3290,19 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
else if (opt_arg(arg, 'X', "dirstat", &options->dirstat_percent))
options->output_format |= DIFF_FORMAT_DIRSTAT;
else if (!strcmp(arg, "--cumulative")) {
options->output_format |= DIFF_FORMAT_DIRSTAT;
DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
} else if (opt_arg(arg, 0, "dirstat-by-file",
&options->dirstat_percent)) {
options->output_format |= DIFF_FORMAT_DIRSTAT;
DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
return parse_dirstat_opt(options, "");
else if (!prefixcmp(arg, "-X"))
return parse_dirstat_opt(options, arg + 2);
else if (!prefixcmp(arg, "--dirstat="))
return parse_dirstat_opt(options, arg + 10);
else if (!strcmp(arg, "--cumulative"))
return parse_dirstat_opt(options, "cumulative");
else if (!strcmp(arg, "--dirstat-by-file"))
return parse_dirstat_opt(options, "files");
else if (!prefixcmp(arg, "--dirstat-by-file=")) {
parse_dirstat_opt(options, "files");
return parse_dirstat_opt(options, arg + 18);
}
else if (!strcmp(arg, "--check"))
options->output_format |= DIFF_FORMAT_CHECKDIFF;
@ -4023,6 +4149,7 @@ void diff_flush(struct diff_options *options) @@ -4023,6 +4149,7 @@ void diff_flush(struct diff_options *options)
struct diff_queue_struct *q = &diff_queued_diff;
int i, output_format = options->output_format;
int separator = 0;
int dirstat_by_line = 0;

/*
* Order: raw, stat, summary, patch
@ -4043,7 +4170,11 @@ void diff_flush(struct diff_options *options) @@ -4043,7 +4170,11 @@ void diff_flush(struct diff_options *options)
separator++;
}

if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT)) {
if (output_format & DIFF_FORMAT_DIRSTAT && DIFF_OPT_TST(options, DIRSTAT_BY_LINE))
dirstat_by_line = 1;

if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT) ||
dirstat_by_line) {
struct diffstat_t diffstat;

memset(&diffstat, 0, sizeof(struct diffstat_t));
@ -4058,10 +4189,12 @@ void diff_flush(struct diff_options *options) @@ -4058,10 +4189,12 @@ void diff_flush(struct diff_options *options)
show_stats(&diffstat, options);
if (output_format & DIFF_FORMAT_SHORTSTAT)
show_shortstats(&diffstat, options);
if (output_format & DIFF_FORMAT_DIRSTAT)
show_dirstat_by_line(&diffstat, options);
free_diffstat_info(&diffstat);
separator++;
}
if (output_format & DIFF_FORMAT_DIRSTAT)
if ((output_format & DIFF_FORMAT_DIRSTAT) && !dirstat_by_line)
show_dirstat(options);

if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) {

3
diff.h
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@ -78,6 +78,7 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data) @@ -78,6 +78,7 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
#define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25)
#define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26)
#define DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG (1 << 27)
#define DIFF_OPT_DIRSTAT_BY_LINE (1 << 28)

#define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag)
#define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag)
@ -114,7 +115,7 @@ struct diff_options { @@ -114,7 +115,7 @@ struct diff_options {
int needed_rename_limit;
int degraded_cc_to_c;
int show_rename_progress;
int dirstat_percent;
int dirstat_permille;
int setup;
int abbrev;
const char *prefix;

979
t/t4047-diff-dirstat.sh
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@ -0,0 +1,979 @@ @@ -0,0 +1,979 @@
#!/bin/sh

test_description='diff --dirstat tests'
. ./test-lib.sh

# set up two commits where the second commit has these files
# (10 lines in each file):
#
# unchanged/text (unchanged from 1st commit)
# changed/text (changed 1st line)
# rearranged/text (swapped 1st and 2nd line)
# dst/copy/unchanged/text (copied from src/copy/unchanged/text, unchanged)
# dst/copy/changed/text (copied from src/copy/changed/text, changed)
# dst/copy/rearranged/text (copied from src/copy/rearranged/text, rearranged)
# dst/move/unchanged/text (moved from src/move/unchanged/text, unchanged)
# dst/move/changed/text (moved from src/move/changed/text, changed)
# dst/move/rearranged/text (moved from src/move/rearranged/text, rearranged)

test_expect_success 'setup' '
mkdir unchanged &&
mkdir changed &&
mkdir rearranged &&
mkdir src &&
mkdir src/copy &&
mkdir src/copy/unchanged &&
mkdir src/copy/changed &&
mkdir src/copy/rearranged &&
mkdir src/move &&
mkdir src/move/unchanged &&
mkdir src/move/changed &&
mkdir src/move/rearranged &&
cat <<EOF >unchanged/text &&
unchanged line #0
unchanged line #1
unchanged line #2
unchanged line #3
unchanged line #4
unchanged line #5
unchanged line #6
unchanged line #7
unchanged line #8
unchanged line #9
EOF
cat <<EOF >changed/text &&
changed line #0
changed line #1
changed line #2
changed line #3
changed line #4
changed line #5
changed line #6
changed line #7
changed line #8
changed line #9
EOF
cat <<EOF >rearranged/text &&
rearranged line #0
rearranged line #1
rearranged line #2
rearranged line #3
rearranged line #4
rearranged line #5
rearranged line #6
rearranged line #7
rearranged line #8
rearranged line #9
EOF
cat <<EOF >src/copy/unchanged/text &&
copy unchanged line #0
copy unchanged line #1
copy unchanged line #2
copy unchanged line #3
copy unchanged line #4
copy unchanged line #5
copy unchanged line #6
copy unchanged line #7
copy unchanged line #8
copy unchanged line #9
EOF
cat <<EOF >src/copy/changed/text &&
copy changed line #0
copy changed line #1
copy changed line #2
copy changed line #3
copy changed line #4
copy changed line #5
copy changed line #6
copy changed line #7
copy changed line #8
copy changed line #9
EOF
cat <<EOF >src/copy/rearranged/text &&
copy rearranged line #0
copy rearranged line #1
copy rearranged line #2
copy rearranged line #3
copy rearranged line #4
copy rearranged line #5
copy rearranged line #6
copy rearranged line #7
copy rearranged line #8
copy rearranged line #9
EOF
cat <<EOF >src/move/unchanged/text &&
move unchanged line #0
move unchanged line #1
move unchanged line #2
move unchanged line #3
move unchanged line #4
move unchanged line #5
move unchanged line #6
move unchanged line #7
move unchanged line #8
move unchanged line #9
EOF
cat <<EOF >src/move/changed/text &&
move changed line #0
move changed line #1
move changed line #2
move changed line #3
move changed line #4
move changed line #5
move changed line #6
move changed line #7
move changed line #8
move changed line #9
EOF
cat <<EOF >src/move/rearranged/text &&
move rearranged line #0
move rearranged line #1
move rearranged line #2
move rearranged line #3
move rearranged line #4
move rearranged line #5
move rearranged line #6
move rearranged line #7
move rearranged line #8
move rearranged line #9
EOF
git add . &&
git commit -m "initial" &&
mkdir dst &&
mkdir dst/copy &&
mkdir dst/copy/unchanged &&
mkdir dst/copy/changed &&
mkdir dst/copy/rearranged &&
mkdir dst/move &&
mkdir dst/move/unchanged &&
mkdir dst/move/changed &&
mkdir dst/move/rearranged &&
cat <<EOF >changed/text &&
CHANGED XXXXXXX line #0
changed line #1
changed line #2
changed line #3
changed line #4
changed line #5
changed line #6
changed line #7
changed line #8
changed line #9
EOF
cat <<EOF >rearranged/text &&
rearranged line #1
rearranged line #0
rearranged line #2
rearranged line #3
rearranged line #4
rearranged line #5
rearranged line #6
rearranged line #7
rearranged line #8
rearranged line #9
EOF
cat <<EOF >dst/copy/unchanged/text &&
copy unchanged line #0
copy unchanged line #1
copy unchanged line #2
copy unchanged line #3
copy unchanged line #4
copy unchanged line #5
copy unchanged line #6
copy unchanged line #7
copy unchanged line #8
copy unchanged line #9
EOF
cat <<EOF >dst/copy/changed/text &&
copy XXXCHANGED line #0
copy changed line #1
copy changed line #2
copy changed line #3
copy changed line #4
copy changed line #5
copy changed line #6
copy changed line #7
copy changed line #8
copy changed line #9
EOF
cat <<EOF >dst/copy/rearranged/text &&
copy rearranged line #1
copy rearranged line #0
copy rearranged line #2
copy rearranged line #3
copy rearranged line #4
copy rearranged line #5
copy rearranged line #6
copy rearranged line #7
copy rearranged line #8
copy rearranged line #9
EOF
cat <<EOF >dst/move/unchanged/text &&
move unchanged line #0
move unchanged line #1
move unchanged line #2
move unchanged line #3
move unchanged line #4
move unchanged line #5
move unchanged line #6
move unchanged line #7
move unchanged line #8
move unchanged line #9
EOF
cat <<EOF >dst/move/changed/text &&
move XXXCHANGED line #0
move changed line #1
move changed line #2
move changed line #3
move changed line #4
move changed line #5
move changed line #6
move changed line #7
move changed line #8
move changed line #9
EOF
cat <<EOF >dst/move/rearranged/text &&
move rearranged line #1
move rearranged line #0
move rearranged line #2
move rearranged line #3
move rearranged line #4
move rearranged line #5
move rearranged line #6
move rearranged line #7
move rearranged line #8
move rearranged line #9
EOF
git add . &&
git rm -r src/move/unchanged &&
git rm -r src/move/changed &&
git rm -r src/move/rearranged &&
git commit -m "changes"
'

cat <<EOF >expect_diff_stat
changed/text | 2 +-
dst/copy/changed/text | 10 ++++++++++
dst/copy/rearranged/text | 10 ++++++++++
dst/copy/unchanged/text | 10 ++++++++++
dst/move/changed/text | 10 ++++++++++
dst/move/rearranged/text | 10 ++++++++++
dst/move/unchanged/text | 10 ++++++++++
rearranged/text | 2 +-
src/move/changed/text | 10 ----------
src/move/rearranged/text | 10 ----------
src/move/unchanged/text | 10 ----------
11 files changed, 62 insertions(+), 32 deletions(-)
EOF

cat <<EOF >expect_diff_stat_M
changed/text | 2 +-
dst/copy/changed/text | 10 ++++++++++
dst/copy/rearranged/text | 10 ++++++++++
dst/copy/unchanged/text | 10 ++++++++++
{src => dst}/move/changed/text | 2 +-
{src => dst}/move/rearranged/text | 2 +-
{src => dst}/move/unchanged/text | 0
rearranged/text | 2 +-
8 files changed, 34 insertions(+), 4 deletions(-)
EOF

cat <<EOF >expect_diff_stat_CC
changed/text | 2 +-
{src => dst}/copy/changed/text | 2 +-
{src => dst}/copy/rearranged/text | 2 +-
{src => dst}/copy/unchanged/text | 0
{src => dst}/move/changed/text | 2 +-
{src => dst}/move/rearranged/text | 2 +-
{src => dst}/move/unchanged/text | 0
rearranged/text | 2 +-
8 files changed, 6 insertions(+), 6 deletions(-)
EOF

test_expect_success 'sanity check setup (--stat)' '
git diff --stat HEAD^..HEAD >actual_diff_stat &&
test_cmp expect_diff_stat actual_diff_stat &&
git diff --stat -M HEAD^..HEAD >actual_diff_stat_M &&
test_cmp expect_diff_stat_M actual_diff_stat_M &&
git diff --stat -C -C HEAD^..HEAD >actual_diff_stat_CC &&
test_cmp expect_diff_stat_CC actual_diff_stat_CC
'

# changed/text and rearranged/text falls below default 3% threshold
cat <<EOF >expect_diff_dirstat
10.8% dst/copy/changed/
10.8% dst/copy/rearranged/
10.8% dst/copy/unchanged/
10.8% dst/move/changed/
10.8% dst/move/rearranged/
10.8% dst/move/unchanged/
10.8% src/move/changed/
10.8% src/move/rearranged/
10.8% src/move/unchanged/
EOF

# rearranged/text falls below default 3% threshold
cat <<EOF >expect_diff_dirstat_M
5.8% changed/
29.3% dst/copy/changed/
29.3% dst/copy/rearranged/
29.3% dst/copy/unchanged/
5.8% dst/move/changed/
EOF

# rearranged/text falls below default 3% threshold
cat <<EOF >expect_diff_dirstat_CC
32.6% changed/
32.6% dst/copy/changed/
32.6% dst/move/changed/
EOF

test_expect_success 'various ways to misspell --dirstat' '
test_must_fail git show --dirstat10 &&
test_must_fail git show --dirstat10,files &&
test_must_fail git show -X=20 &&
test_must_fail git show -X=20,cumulative
'

test_expect_success 'vanilla --dirstat' '
git diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'vanilla -X' '
git diff -X HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff -X -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff -X -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'explicit defaults: --dirstat=changes,noncumulative,3' '
git diff --dirstat=changes,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=changes,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=changes,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'explicit defaults: -Xchanges,noncumulative,3' '
git diff -Xchanges,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff -Xchanges,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff -Xchanges,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'later options override earlier options:' '
git diff --dirstat=files,10,cumulative,changes,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,10,cumulative,changes,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,10,cumulative,changes,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files --dirstat=10 --dirstat=cumulative --dirstat=changes --dirstat=noncumulative -X3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'non-defaults in config overridden by explicit defaults on command line' '
git -c diff.dirstat=files,cumulative,50 diff --dirstat=changes,noncumulative,3 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=files,cumulative,50 diff --dirstat=changes,noncumulative,3 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=files,cumulative,50 diff --dirstat=changes,noncumulative,3 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
2.1% changed/
10.8% dst/copy/changed/
10.8% dst/copy/rearranged/
10.8% dst/copy/unchanged/
10.8% dst/move/changed/
10.8% dst/move/rearranged/
10.8% dst/move/unchanged/
0.0% rearranged/
10.8% src/move/changed/
10.8% src/move/rearranged/
10.8% src/move/unchanged/
EOF

cat <<EOF >expect_diff_dirstat_M
5.8% changed/
29.3% dst/copy/changed/
29.3% dst/copy/rearranged/
29.3% dst/copy/unchanged/
5.8% dst/move/changed/
0.1% dst/move/rearranged/
0.1% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
32.6% changed/
32.6% dst/copy/changed/
0.6% dst/copy/rearranged/
32.6% dst/move/changed/
0.6% dst/move/rearranged/
0.6% rearranged/
EOF

test_expect_success '--dirstat=0' '
git diff --dirstat=0 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=0 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=0 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '-X0' '
git diff -X0 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff -X0 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff -X0 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=0' '
git -c diff.dirstat=0 diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=0 diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=0 diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
2.1% changed/
10.8% dst/copy/changed/
10.8% dst/copy/rearranged/
10.8% dst/copy/unchanged/
32.5% dst/copy/
10.8% dst/move/changed/
10.8% dst/move/rearranged/
10.8% dst/move/unchanged/
32.5% dst/move/
65.1% dst/
0.0% rearranged/
10.8% src/move/changed/
10.8% src/move/rearranged/
10.8% src/move/unchanged/
32.5% src/move/
EOF

cat <<EOF >expect_diff_dirstat_M
5.8% changed/
29.3% dst/copy/changed/
29.3% dst/copy/rearranged/
29.3% dst/copy/unchanged/
88.0% dst/copy/
5.8% dst/move/changed/
0.1% dst/move/rearranged/
5.9% dst/move/
94.0% dst/
0.1% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
32.6% changed/
32.6% dst/copy/changed/
0.6% dst/copy/rearranged/
33.3% dst/copy/
32.6% dst/move/changed/
0.6% dst/move/rearranged/
33.3% dst/move/
66.6% dst/
0.6% rearranged/
EOF

test_expect_success '--dirstat=0 --cumulative' '
git diff --dirstat=0 --cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=0 --cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=0 --cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=0,cumulative' '
git diff --dirstat=0,cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=0,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=0,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '-X0,cumulative' '
git diff -X0,cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff -X0,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff -X0,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=0,cumulative' '
git -c diff.dirstat=0,cumulative diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=0,cumulative diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=0,cumulative diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=0 & --dirstat=cumulative' '
git -c diff.dirstat=0 diff --dirstat=cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=0 diff --dirstat=cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=0 diff --dirstat=cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
9.0% changed/
9.0% dst/copy/changed/
9.0% dst/copy/rearranged/
9.0% dst/copy/unchanged/
9.0% dst/move/changed/
9.0% dst/move/rearranged/
9.0% dst/move/unchanged/
9.0% rearranged/
9.0% src/move/changed/
9.0% src/move/rearranged/
9.0% src/move/unchanged/
EOF

cat <<EOF >expect_diff_dirstat_M
14.2% changed/
14.2% dst/copy/changed/
14.2% dst/copy/rearranged/
14.2% dst/copy/unchanged/
14.2% dst/move/changed/
14.2% dst/move/rearranged/
14.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
16.6% rearranged/
EOF

test_expect_success '--dirstat-by-file' '
git diff --dirstat-by-file HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat-by-file -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat-by-file -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=files' '
git diff --dirstat=files HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=files' '
git -c diff.dirstat=files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
27.2% dst/copy/
27.2% dst/move/
27.2% src/move/
EOF

cat <<EOF >expect_diff_dirstat_M
14.2% changed/
14.2% dst/copy/changed/
14.2% dst/copy/rearranged/
14.2% dst/copy/unchanged/
14.2% dst/move/changed/
14.2% dst/move/rearranged/
14.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
16.6% rearranged/
EOF

test_expect_success '--dirstat-by-file=10' '
git diff --dirstat-by-file=10 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat-by-file=10 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat-by-file=10 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=files,10' '
git diff --dirstat=files,10 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,10 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,10 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=10,files' '
git -c diff.dirstat=10,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=10,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=10,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
9.0% changed/
9.0% dst/copy/changed/
9.0% dst/copy/rearranged/
9.0% dst/copy/unchanged/
27.2% dst/copy/
9.0% dst/move/changed/
9.0% dst/move/rearranged/
9.0% dst/move/unchanged/
27.2% dst/move/
54.5% dst/
9.0% rearranged/
9.0% src/move/changed/
9.0% src/move/rearranged/
9.0% src/move/unchanged/
27.2% src/move/
EOF

cat <<EOF >expect_diff_dirstat_M
14.2% changed/
14.2% dst/copy/changed/
14.2% dst/copy/rearranged/
14.2% dst/copy/unchanged/
42.8% dst/copy/
14.2% dst/move/changed/
14.2% dst/move/rearranged/
28.5% dst/move/
71.4% dst/
14.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
33.3% dst/copy/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
33.3% dst/move/
66.6% dst/
16.6% rearranged/
EOF

test_expect_success '--dirstat-by-file --cumulative' '
git diff --dirstat-by-file --cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat-by-file --cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat-by-file --cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=files,cumulative' '
git diff --dirstat=files,cumulative HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,cumulative -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,cumulative -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=cumulative,files' '
git -c diff.dirstat=cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
27.2% dst/copy/
27.2% dst/move/
54.5% dst/
27.2% src/move/
EOF

cat <<EOF >expect_diff_dirstat_M
14.2% changed/
14.2% dst/copy/changed/
14.2% dst/copy/rearranged/
14.2% dst/copy/unchanged/
42.8% dst/copy/
14.2% dst/move/changed/
14.2% dst/move/rearranged/
28.5% dst/move/
71.4% dst/
14.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
33.3% dst/copy/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
33.3% dst/move/
66.6% dst/
16.6% rearranged/
EOF

test_expect_success '--dirstat=files,cumulative,10' '
git diff --dirstat=files,cumulative,10 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,cumulative,10 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,cumulative,10 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=10,cumulative,files' '
git -c diff.dirstat=10,cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=10,cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=10,cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
27.2% dst/copy/
27.2% dst/move/
54.5% dst/
27.2% src/move/
EOF

cat <<EOF >expect_diff_dirstat_M
42.8% dst/copy/
28.5% dst/move/
71.4% dst/
EOF

cat <<EOF >expect_diff_dirstat_CC
33.3% dst/copy/
33.3% dst/move/
66.6% dst/
EOF

test_expect_success '--dirstat=files,cumulative,16.7' '
git diff --dirstat=files,cumulative,16.7 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,cumulative,16.7 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,cumulative,16.7 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=16.7,cumulative,files' '
git -c diff.dirstat=16.7,cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=16.7,cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=16.7,cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=16.70,cumulative,files' '
git -c diff.dirstat=16.70,cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=16.70,cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=16.70,cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=files,cumulative,27.2' '
git diff --dirstat=files,cumulative,27.2 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,cumulative,27.2 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,cumulative,27.2 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=files,cumulative,27.09' '
git diff --dirstat=files,cumulative,27.09 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=files,cumulative,27.09 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=files,cumulative,27.09 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
10.6% dst/copy/changed/
10.6% dst/copy/rearranged/
10.6% dst/copy/unchanged/
10.6% dst/move/changed/
10.6% dst/move/rearranged/
10.6% dst/move/unchanged/
10.6% src/move/changed/
10.6% src/move/rearranged/
10.6% src/move/unchanged/
EOF

cat <<EOF >expect_diff_dirstat_M
5.2% changed/
26.3% dst/copy/changed/
26.3% dst/copy/rearranged/
26.3% dst/copy/unchanged/
5.2% dst/move/changed/
5.2% dst/move/rearranged/
5.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
16.6% rearranged/
EOF

test_expect_success '--dirstat=lines' '
git diff --dirstat=lines HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=lines -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=lines -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=lines' '
git -c diff.dirstat=lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

cat <<EOF >expect_diff_dirstat
2.1% changed/
10.6% dst/copy/changed/
10.6% dst/copy/rearranged/
10.6% dst/copy/unchanged/
10.6% dst/move/changed/
10.6% dst/move/rearranged/
10.6% dst/move/unchanged/
2.1% rearranged/
10.6% src/move/changed/
10.6% src/move/rearranged/
10.6% src/move/unchanged/
EOF

cat <<EOF >expect_diff_dirstat_M
5.2% changed/
26.3% dst/copy/changed/
26.3% dst/copy/rearranged/
26.3% dst/copy/unchanged/
5.2% dst/move/changed/
5.2% dst/move/rearranged/
5.2% rearranged/
EOF

cat <<EOF >expect_diff_dirstat_CC
16.6% changed/
16.6% dst/copy/changed/
16.6% dst/copy/rearranged/
16.6% dst/move/changed/
16.6% dst/move/rearranged/
16.6% rearranged/
EOF

test_expect_success '--dirstat=lines,0' '
git diff --dirstat=lines,0 HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git diff --dirstat=lines,0 -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git diff --dirstat=lines,0 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success 'diff.dirstat=0,lines' '
git -c diff.dirstat=0,lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
git -c diff.dirstat=0,lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
git -c diff.dirstat=0,lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'

test_expect_success '--dirstat=future_param,lines,0 should fail loudly' '
test_must_fail git diff --dirstat=future_param,lines,0 HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
test_debug "cat actual_error" &&
test_cmp /dev/null actual_diff_dirstat &&
test_i18ngrep -q "future_param" actual_error &&
test_i18ngrep -q "\--dirstat" actual_error
'

test_expect_success '--dirstat=dummy1,cumulative,2dummy should report both unrecognized parameters' '
test_must_fail git diff --dirstat=dummy1,cumulative,2dummy HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
test_debug "cat actual_error" &&
test_cmp /dev/null actual_diff_dirstat &&
test_i18ngrep -q "dummy1" actual_error &&
test_i18ngrep -q "2dummy" actual_error &&
test_i18ngrep -q "\--dirstat" actual_error
'

test_expect_success 'diff.dirstat=future_param,0,lines should warn, but still work' '
git -c diff.dirstat=future_param,0,lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
test_debug "cat actual_error" &&
test_cmp expect_diff_dirstat actual_diff_dirstat &&
test_i18ngrep -q "future_param" actual_error &&
test_i18ngrep -q "diff\\.dirstat" actual_error &&

git -c diff.dirstat=future_param,0,lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M 2>actual_error &&
test_debug "cat actual_error" &&
test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
test_i18ngrep -q "future_param" actual_error &&
test_i18ngrep -q "diff\\.dirstat" actual_error &&

git -c diff.dirstat=future_param,0,lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC 2>actual_error &&
test_debug "cat actual_error" &&
test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC &&
test_i18ngrep -q "future_param" actual_error &&
test_i18ngrep -q "diff\\.dirstat" actual_error
'

test_done
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