diff options
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 221 |
1 files changed, 125 insertions, 96 deletions
@@ -1420,11 +1420,11 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o) 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 = ""; options->change = diff_change; options->add_remove = diff_addremove; @@ -1438,22 +1438,28 @@ int diff_setup_done(struct diff_options *options) (0 <= options->rename_limit && !options->detect_rename)) return -1; + 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. + * Also pickaxe would not work very well if you do not say recursive */ - if (options->output_format == DIFF_FORMAT_RAW) - options->with_raw = 0; - if (options->output_format == DIFF_FORMAT_DIFFSTAT) - options->with_stat = 0; + if (options->pickaxe) + options->recursive = 1; if (options->detect_rename && options->rename_limit < 0) options->rename_limit = diff_rename_limit_default; @@ -1526,22 +1532,22 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) { 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; @@ -1550,19 +1556,20 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) 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)) @@ -1737,15 +1744,17 @@ const char *diff_unique_abbrev(const unsigned char *sha1, int len) } 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; @@ -1774,7 +1783,7 @@ static void diff_flush_raw(struct diff_filepair *p, 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)); @@ -1983,48 +1992,30 @@ static void diff_resolve_rename_copy(void) 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) @@ -2243,58 +2234,96 @@ int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1) return result; } -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; +} - if (options->with_raw) { +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 (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; + + 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); + separator++; } - if (diffstat) { - show_stats(diffstat); - free(diffstat); + if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) { + for (i = 0; i < q->nr; i++) + diff_summary(q->queue[i]); + separator++; } - for (i = 0; i < q->nr; i++) { - if (diffstat && options->summary) - 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; |