void diff_setup(struct diff_options *options)
{
memset(options, 0, sizeof(*options));
- options->output_format = DIFF_FORMAT_RAW;
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
options->context = 3;
+ options->msg_sep = "\n";
options->change = diff_change;
options->add_remove = diff_addremove;
(0 <= options->rename_limit && !options->detect_rename))
return -1;
+ if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
+ options->output_format = 0;
+
+ if (options->output_format & (DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF |
+ DIFF_FORMAT_NO_OUTPUT))
+ options->output_format &= ~(DIFF_FORMAT_RAW |
+ DIFF_FORMAT_DIFFSTAT |
+ DIFF_FORMAT_SUMMARY |
+ DIFF_FORMAT_PATCH);
+
/*
* These cases always need recursive; we do not drop caller-supplied
* recursive bits for other formats here.
*/
- if ((options->output_format == DIFF_FORMAT_PATCH) ||
- (options->output_format == DIFF_FORMAT_DIFFSTAT) ||
- (options->output_format == DIFF_FORMAT_CHECKDIFF))
+ if (options->output_format & (DIFF_FORMAT_PATCH |
+ DIFF_FORMAT_DIFFSTAT |
+ DIFF_FORMAT_CHECKDIFF))
options->recursive = 1;
- /*
- * These combinations do not make sense.
- */
- if (options->output_format == DIFF_FORMAT_RAW)
- options->with_raw = 0;
- if (options->output_format == DIFF_FORMAT_DIFFSTAT)
- options->with_stat = 0;
-
if (options->detect_rename && options->rename_limit < 0)
options->rename_limit = diff_rename_limit_default;
if (options->setup & DIFF_SETUP_USE_CACHE) {
{
const char *arg = av[0];
if (!strcmp(arg, "-p") || !strcmp(arg, "-u"))
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
else if (opt_arg(arg, 'U', "unified", &options->context))
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
+ else if (!strcmp(arg, "--raw"))
+ options->output_format |= DIFF_FORMAT_RAW;
else if (!strcmp(arg, "--patch-with-raw")) {
- options->output_format = DIFF_FORMAT_PATCH;
- options->with_raw = 1;
+ options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW;
}
else if (!strcmp(arg, "--stat"))
- options->output_format = DIFF_FORMAT_DIFFSTAT;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
else if (!strcmp(arg, "--check"))
- options->output_format = DIFF_FORMAT_CHECKDIFF;
+ options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
- options->summary = 1;
+ options->output_format |= DIFF_FORMAT_SUMMARY;
else if (!strcmp(arg, "--patch-with-stat")) {
- options->output_format = DIFF_FORMAT_PATCH;
- options->with_stat = 1;
+ options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT;
}
else if (!strcmp(arg, "-z"))
options->line_termination = 0;
else if (!strcmp(arg, "--full-index"))
options->full_index = 1;
else if (!strcmp(arg, "--binary")) {
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
options->full_index = options->binary = 1;
}
else if (!strcmp(arg, "--name-only"))
- options->output_format = DIFF_FORMAT_NAME;
+ options->output_format |= DIFF_FORMAT_NAME;
else if (!strcmp(arg, "--name-status"))
- options->output_format = DIFF_FORMAT_NAME_STATUS;
+ options->output_format |= DIFF_FORMAT_NAME_STATUS;
else if (!strcmp(arg, "-R"))
options->reverse_diff = 1;
else if (!strncmp(arg, "-S", 2))
options->pickaxe = arg + 2;
- else if (!strcmp(arg, "-s"))
- options->output_format = DIFF_FORMAT_NO_OUTPUT;
+ else if (!strcmp(arg, "-s")) {
+ options->output_format |= DIFF_FORMAT_NO_OUTPUT;
+ }
else if (!strncmp(arg, "-O", 2))
options->orderfile = arg + 2;
else if (!strncmp(arg, "--diff-filter=", 14))
}
static void diff_flush_raw(struct diff_filepair *p,
- int line_termination,
- int inter_name_termination,
- struct diff_options *options,
- int output_format)
+ struct diff_options *options)
{
int two_paths;
char status[10];
int abbrev = options->abbrev;
const char *path_one, *path_two;
+ int inter_name_termination = '\t';
+ int line_termination = options->line_termination;
+
+ if (!line_termination)
+ inter_name_termination = 0;
path_one = p->one->path;
path_two = p->two->path;
two_paths = 0;
break;
}
- if (output_format != DIFF_FORMAT_NAME_STATUS) {
+ if (!(options->output_format & DIFF_FORMAT_NAME_STATUS)) {
printf(":%06o %06o %s ",
p->one->mode, p->two->mode,
diff_unique_abbrev(p->one->sha1, abbrev));
diff_debug_queue("resolve-rename-copy done", q);
}
-static void flush_one_pair(struct diff_filepair *p,
- int diff_output_format,
- struct diff_options *options,
- struct diffstat_t *diffstat)
+static int check_pair_status(struct diff_filepair *p)
{
- int inter_name_termination = '\t';
- int line_termination = options->line_termination;
- if (!line_termination)
- inter_name_termination = 0;
-
switch (p->status) {
case DIFF_STATUS_UNKNOWN:
- break;
+ return 0;
case 0:
die("internal error in diff-resolve-rename-copy");
- break;
default:
- switch (diff_output_format) {
- case DIFF_FORMAT_DIFFSTAT:
- diff_flush_stat(p, options, diffstat);
- break;
- case DIFF_FORMAT_CHECKDIFF:
- diff_flush_checkdiff(p, options);
- break;
- case DIFF_FORMAT_PATCH:
- diff_flush_patch(p, options);
- break;
- case DIFF_FORMAT_RAW:
- case DIFF_FORMAT_NAME_STATUS:
- diff_flush_raw(p, line_termination,
- inter_name_termination,
- options, diff_output_format);
- break;
- case DIFF_FORMAT_NAME:
- diff_flush_name(p, line_termination);
- break;
- case DIFF_FORMAT_NO_OUTPUT:
- break;
- }
+ return 1;
}
}
+static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
+{
+ int fmt = opt->output_format;
+
+ if (fmt & DIFF_FORMAT_CHECKDIFF)
+ diff_flush_checkdiff(p, opt);
+ else if (fmt & (DIFF_FORMAT_RAW | DIFF_FORMAT_NAME_STATUS))
+ diff_flush_raw(p, opt);
+ else if (fmt & DIFF_FORMAT_NAME)
+ diff_flush_name(p, opt->line_termination);
+}
+
static void show_file_mode_name(const char *newdelete, struct diff_filespec *fs)
{
if (fs->mode)
}
}
-void diff_flush(struct diff_options *options)
+static int is_summary_empty(const struct diff_queue_struct *q)
{
- struct diff_queue_struct *q = &diff_queued_diff;
int i;
- int diff_output_format = options->output_format;
- struct diffstat_t *diffstat = NULL;
- if (diff_output_format == DIFF_FORMAT_DIFFSTAT || options->with_stat) {
- diffstat = xcalloc(sizeof (struct diffstat_t), 1);
- diffstat->xm.consume = diffstat_consume;
+ for (i = 0; i < q->nr; i++) {
+ const struct diff_filepair *p = q->queue[i];
+
+ switch (p->status) {
+ case DIFF_STATUS_DELETED:
+ case DIFF_STATUS_ADDED:
+ case DIFF_STATUS_COPIED:
+ case DIFF_STATUS_RENAMED:
+ return 0;
+ default:
+ if (p->score)
+ return 0;
+ if (p->one->mode && p->two->mode &&
+ p->one->mode != p->two->mode)
+ return 0;
+ break;
+ }
}
+ return 1;
+}
+
+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;
+
+ /*
+ * Order: raw, stat, summary, patch
+ * or: name/name-status/checkdiff (other bits clear)
+ */
+ if (!q->nr)
+ goto free_queue;
- if (options->with_raw) {
+ if (output_format & (DIFF_FORMAT_RAW |
+ DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF)) {
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, DIFF_FORMAT_RAW, options, NULL);
+ if (check_pair_status(p))
+ flush_one_pair(p, options);
}
- putchar(options->line_termination);
+ separator++;
}
- if (options->with_stat) {
+
+ if (output_format & DIFF_FORMAT_DIFFSTAT) {
+ struct diffstat_t diffstat;
+
+ if (separator++)
+ putchar('\n');
+
+ memset(&diffstat, 0, sizeof(struct diffstat_t));
+ diffstat.xm.consume = diffstat_consume;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, DIFF_FORMAT_DIFFSTAT, options,
- diffstat);
+ if (check_pair_status(p))
+ diff_flush_stat(p, options, &diffstat);
}
- show_stats(diffstat);
- free(diffstat);
- diffstat = NULL;
- if (options->summary)
- for (i = 0; i < q->nr; i++)
- diff_summary(q->queue[i]);
- if (options->stat_sep)
- fputs(options->stat_sep, stdout);
- else
- putchar(options->line_termination);
- }
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, diff_output_format, options, diffstat);
+ show_stats(&diffstat);
}
- if (diffstat) {
- show_stats(diffstat);
- free(diffstat);
- }
+ if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) {
+ if (separator++)
+ putchar('\n');
- for (i = 0; i < q->nr; i++) {
- if (diffstat && options->summary)
+ for (i = 0; i < q->nr; i++)
diff_summary(q->queue[i]);
- diff_free_filepair(q->queue[i]);
}
+ if (output_format & DIFF_FORMAT_PATCH) {
+ if (separator) {
+ if (options->stat_sep) {
+ /* attach patch instead of inline */
+ fputs(options->stat_sep, stdout);
+ } else {
+ putchar(options->line_termination);
+ }
+ }
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_patch(p, options);
+ }
+ }
+
+ for (i = 0; i < q->nr; i++)
+ diff_free_filepair(q->queue[i]);
+free_queue:
free(q->queue);
q->queue = NULL;
q->nr = q->alloc = 0;