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Merge branch 'lt/diff-stat-show-0-lines' into maint
"git diff --stat" miscounted the total number of changed lines when binary files were involved and hidden beyond --stat-count. It also miscounted the total number of changed files when there were unmerged paths. * lt/diff-stat-show-0-lines: t4049: refocus tests diff --shortstat: do not count "unmerged" entries diff --stat: do not count "unmerged" entries diff --stat: move the "total count" logic to the last loop diff --stat: use "file" temporary variable to refer to data->files[i] diff --stat: status of unmodified pair in diff-q is not zero test: add failing tests for "diff --stat" to t4049 Fix "git diff --stat" for interesting - but empty - file changes
This commit is contained in:
Junio C Hamano
commit
6a402843c2
69
diff.c
69
diff.c
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@ -1300,6 +1300,7 @@ struct diffstat_t {
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unsigned is_unmerged:1;
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unsigned is_binary:1;
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unsigned is_renamed:1;
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unsigned is_interesting:1;
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uintmax_t added, deleted;
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} **files;
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};
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@ -1469,8 +1470,8 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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for (i = 0; (i < count) && (i < data->nr); i++) {
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struct diffstat_file *file = data->files[i];
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uintmax_t change = file->added + file->deleted;
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if (!data->files[i]->is_renamed &&
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(change == 0)) {
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if (!file->is_interesting && (change == 0)) {
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count++; /* not shown == room for one more */
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continue;
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}
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@ -1497,7 +1498,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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if (max_change < change)
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max_change = change;
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}
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count = i; /* min(count, data->nr) */
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count = i; /* where we can stop scanning in data->files[] */
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/*
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* We have width = stat_width or term_columns() columns total.
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@ -1585,16 +1586,15 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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*/
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for (i = 0; i < count; i++) {
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const char *prefix = "";
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char *name = data->files[i]->print_name;
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uintmax_t added = data->files[i]->added;
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uintmax_t deleted = data->files[i]->deleted;
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struct diffstat_file *file = data->files[i];
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char *name = file->print_name;
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uintmax_t added = file->added;
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uintmax_t deleted = file->deleted;
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int name_len;
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if (!data->files[i]->is_renamed &&
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(added + deleted == 0)) {
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total_files--;
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if (!file->is_interesting && (added + deleted == 0))
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continue;
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}
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/*
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* "scale" the filename
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*/
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@ -1610,7 +1610,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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name = slash;
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}
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if (data->files[i]->is_binary) {
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if (file->is_binary) {
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fprintf(options->file, "%s", line_prefix);
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show_name(options->file, prefix, name, len);
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fprintf(options->file, " %*s", number_width, "Bin");
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@ -1627,7 +1627,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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fprintf(options->file, "\n");
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continue;
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}
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else if (data->files[i]->is_unmerged) {
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else if (file->is_unmerged) {
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fprintf(options->file, "%s", line_prefix);
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show_name(options->file, prefix, name, len);
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fprintf(options->file, " Unmerged\n");
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@ -1639,8 +1639,6 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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*/
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add = added;
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del = deleted;
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adds += add;
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dels += del;
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if (graph_width <= max_change) {
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int total = add + del;
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@ -1666,16 +1664,24 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
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show_graph(options->file, '-', del, del_c, reset);
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fprintf(options->file, "\n");
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}
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for (i = count; i < data->nr; i++) {
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uintmax_t added = data->files[i]->added;
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uintmax_t deleted = data->files[i]->deleted;
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if (!data->files[i]->is_renamed &&
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(added + deleted == 0)) {
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for (i = 0; i < data->nr; i++) {
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struct diffstat_file *file = data->files[i];
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uintmax_t added = file->added;
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uintmax_t deleted = file->deleted;
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if (file->is_unmerged ||
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(!file->is_interesting && (added + deleted == 0))) {
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total_files--;
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continue;
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}
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adds += added;
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dels += deleted;
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if (!file->is_binary) {
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adds += added;
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dels += deleted;
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}
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if (i < count)
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continue;
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if (!extra_shown)
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fprintf(options->file, "%s ...\n", line_prefix);
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extra_shown = 1;
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@ -1695,9 +1701,8 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option
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int added = data->files[i]->added;
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int deleted= data->files[i]->deleted;
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if (data->files[i]->is_unmerged)
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continue;
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if (!data->files[i]->is_renamed && (added + deleted == 0)) {
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if (data->files[i]->is_unmerged ||
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(!data->files[i]->is_interesting && (added + deleted == 0))) {
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total_files--;
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} else if (!data->files[i]->is_binary) { /* don't count bytes */
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adds += added;
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@ -2397,13 +2402,20 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
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struct diff_filespec *two,
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struct diffstat_t *diffstat,
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struct diff_options *o,
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int complete_rewrite)
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struct diff_filepair *p)
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{
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mmfile_t mf1, mf2;
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struct diffstat_file *data;
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int same_contents;
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int complete_rewrite = 0;
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if (!DIFF_PAIR_UNMERGED(p)) {
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if (p->status == DIFF_STATUS_MODIFIED && p->score)
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complete_rewrite = 1;
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}
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data = diffstat_add(diffstat, name_a, name_b);
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data->is_interesting = p->status != DIFF_STATUS_UNKNOWN;
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if (!one || !two) {
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data->is_unmerged = 1;
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@ -3114,11 +3126,10 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
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{
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const char *name;
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const char *other;
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int complete_rewrite = 0;
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if (DIFF_PAIR_UNMERGED(p)) {
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/* unmerged */
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builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, o, 0);
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builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, o, p);
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return;
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}
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@ -3131,9 +3142,7 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
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diff_fill_sha1_info(p->one);
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diff_fill_sha1_info(p->two);
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if (p->status == DIFF_STATUS_MODIFIED && p->score)
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complete_rewrite = 1;
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builtin_diffstat(name, other, p->one, p->two, diffstat, o, complete_rewrite);
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builtin_diffstat(name, other, p->one, p->two, diffstat, o, p);
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}
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static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
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@ -32,28 +32,28 @@ test_expect_success 'prepare binary file' '
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git commit -m binbin
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'
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test_expect_success '--stat output after text chmod' '
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test_chmod -x rezrov &&
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echo " 0 files changed" >expect &&
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git diff HEAD --stat >actual &&
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test_i18ncmp expect actual
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'
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test_expect_success '--shortstat output after text chmod' '
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git diff HEAD --shortstat >actual &&
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test_i18ncmp expect actual
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'
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test_expect_success '--stat output after binary chmod' '
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test_chmod +x binbin &&
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echo " 0 files changed" >expect &&
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git diff HEAD --stat >actual &&
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test_i18ncmp expect actual
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'
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test_expect_success '--shortstat output after binary chmod' '
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git diff HEAD --shortstat >actual &&
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test_i18ncmp expect actual
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'
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# test_expect_success '--stat output after text chmod' '
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# test_chmod -x rezrov &&
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# echo " 0 files changed" >expect &&
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# git diff HEAD --stat >actual &&
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# test_i18ncmp expect actual
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# '
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#
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# test_expect_success '--shortstat output after text chmod' '
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# git diff HEAD --shortstat >actual &&
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# test_i18ncmp expect actual
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# '
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#
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# test_expect_success '--stat output after binary chmod' '
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# test_chmod +x binbin &&
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# echo " 0 files changed" >expect &&
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# git diff HEAD --stat >actual &&
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# test_i18ncmp expect actual
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# '
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#
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# test_expect_success '--shortstat output after binary chmod' '
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# git diff HEAD --shortstat >actual &&
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# test_i18ncmp expect actual
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# '
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test_done
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@ -4,19 +4,62 @@
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test_description='diff --stat-count'
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. ./test-lib.sh
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test_expect_success setup '
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test_expect_success 'setup' '
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>a &&
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>b &&
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>c &&
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>d &&
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git add a b c d &&
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chmod +x c d &&
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git commit -m initial
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'
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test_expect_success 'mode-only change show as a 0-line change' '
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git reset --hard &&
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test_chmod +x b d &&
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echo a >a &&
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echo c >c &&
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cat >expect <<-\EOF
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a | 1 +
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b | 0
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...
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4 files changed, 2 insertions(+)
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EOF
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git diff --stat --stat-count=2 HEAD >actual &&
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test_i18ncmp expect actual
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'
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test_expect_success 'binary changes do not count in lines' '
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git reset --hard &&
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echo a >a &&
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echo c >c &&
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cat "$TEST_DIRECTORY"/test-binary-1.png >d &&
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cat >expect <<-\EOF
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a | 1 +
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c | 1 +
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...
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3 files changed, 2 insertions(+)
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EOF
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git diff --stat --stat-count=2 >actual &&
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test_i18ncmp expect actual
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'
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test_expect_success 'exclude unmerged entries from total file count' '
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git reset --hard &&
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echo a >a &&
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echo b >b &&
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git ls-files -s a >x &&
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git rm -f d &&
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for stage in 1 2 3
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do
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sed -e "s/ 0 a/ $stage d/" x
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done |
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git update-index --index-info &&
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echo d >d &&
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cat >expect <<-\EOF
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a | 1 +
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b | 1 +
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2 files changed, 2 insertions(+)
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...
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3 files changed, 3 insertions(+)
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EOF
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git diff --stat --stat-count=2 >actual &&
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test_i18ncmp expect actual
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@ -85,7 +85,7 @@ test_expect_success 'NUL termination' '
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test_expect_success 'NUL separation with --stat' '
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stat0_part=$(git diff --stat HEAD^ HEAD) &&
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stat1_part=$(git diff --stat --root HEAD^) &&
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stat1_part=$(git diff-tree --no-commit-id --stat --root HEAD^) &&
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printf "add bar\n$stat0_part\n\0initial\n$stat1_part\n" >expected &&
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git log -z --stat --pretty="format:%s" >actual &&
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test_i18ncmp expected actual
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@ -93,7 +93,7 @@ test_expect_success 'NUL separation with --stat' '
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test_expect_failure 'NUL termination with --stat' '
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stat0_part=$(git diff --stat HEAD^ HEAD) &&
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stat1_part=$(git diff --stat --root HEAD^) &&
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stat1_part=$(git diff-tree --no-commit-id --stat --root HEAD^) &&
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printf "add bar\n$stat0_part\n\0initial\n$stat1_part\n\0" >expected &&
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git log -z --stat --pretty="tformat:%s" >actual &&
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test_i18ncmp expected actual
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