diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 68 |
1 files changed, 50 insertions, 18 deletions
@@ -264,7 +264,8 @@ void init_diff_ui_defaults(void) diff_detect_rename_default = DIFF_DETECT_RENAME; } -int git_diff_heuristic_config(const char *var, const char *value, void *cb) +int git_diff_heuristic_config(const char *var, const char *value, + void *cb UNUSED) { if (!strcmp(var, "diff.indentheuristic")) diff_indent_heuristic = git_config_bool(var, value); @@ -916,7 +917,7 @@ struct interned_diff_symbol { static int interned_diff_symbol_cmp(const void *hashmap_cmp_fn_data, const struct hashmap_entry *eptr, const struct hashmap_entry *entry_or_key, - const void *keydata) + const void *keydata UNUSED) { const struct diff_options *diffopt = hashmap_cmp_fn_data; const struct emitted_diff_symbol *a, *b; @@ -1289,7 +1290,6 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, { static const char *nneof = " No newline at end of file\n"; const char *context, *reset, *set, *set_sign, *meta, *fraginfo; - struct strbuf sb = STRBUF_INIT; enum diff_symbol s = eds->s; const char *line = eds->line; @@ -1521,7 +1521,6 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, default: BUG("unknown diff symbol"); } - strbuf_release(&sb); } static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s, @@ -3362,23 +3361,23 @@ struct userdiff_driver *get_textconv(struct repository *r, return userdiff_get_textconv(r, one->driver); } -static struct strbuf *additional_headers(struct diff_options *o, - const char *path) +static struct string_list *additional_headers(struct diff_options *o, + const char *path) { if (!o->additional_path_headers) return NULL; return strmap_get(o->additional_path_headers, path); } -static void add_formatted_headers(struct strbuf *msg, - struct strbuf *more_headers, +static void add_formatted_header(struct strbuf *msg, + const char *header, const char *line_prefix, const char *meta, const char *reset) { - char *next, *newline; + const char *next, *newline; - for (next = more_headers->buf; *next; next = newline) { + for (next = header; *next; next = newline) { newline = strchrnul(next, '\n'); strbuf_addf(msg, "%s%s%.*s%s\n", line_prefix, meta, (int)(newline - next), next, reset); @@ -3387,6 +3386,34 @@ static void add_formatted_headers(struct strbuf *msg, } } +static void add_formatted_headers(struct strbuf *msg, + struct string_list *more_headers, + const char *line_prefix, + const char *meta, + const char *reset) +{ + int i; + + for (i = 0; i < more_headers->nr; i++) + add_formatted_header(msg, more_headers->items[i].string, + line_prefix, meta, reset); +} + +static int diff_filepair_is_phoney(struct diff_filespec *one, + struct diff_filespec *two) +{ + /* + * This function specifically looks for pairs injected by + * create_filepairs_for_header_only_notifications(). Such + * pairs are "phoney" in that they do not represent any + * content or even mode difference, but were inserted because + * diff_queued_diff previously had no pair associated with + * that path but we needed some pair to avoid losing the + * "remerge CONFLICT" header associated with the path. + */ + return !DIFF_FILE_VALID(one) && !DIFF_FILE_VALID(two); +} + static void builtin_diff(const char *name_a, const char *name_b, struct diff_filespec *one, @@ -3418,14 +3445,16 @@ static void builtin_diff(const char *name_a, if (o->submodule_format == DIFF_SUBMODULE_LOG && (!one->mode || S_ISGITLINK(one->mode)) && - (!two->mode || S_ISGITLINK(two->mode))) { + (!two->mode || S_ISGITLINK(two->mode)) && + (!diff_filepair_is_phoney(one, two))) { show_submodule_diff_summary(o, one->path ? one->path : two->path, &one->oid, &two->oid, two->dirty_submodule); return; } else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF && (!one->mode || S_ISGITLINK(one->mode)) && - (!two->mode || S_ISGITLINK(two->mode))) { + (!two->mode || S_ISGITLINK(two->mode)) && + (!diff_filepair_is_phoney(one, two))) { show_submodule_inline_diff(o, one->path ? one->path : two->path, &one->oid, &two->oid, two->dirty_submodule); @@ -3445,12 +3474,12 @@ static void builtin_diff(const char *name_a, b_two = quote_two(b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; - if (!DIFF_FILE_VALID(one) && !DIFF_FILE_VALID(two)) { + if (diff_filepair_is_phoney(one, two)) { /* - * We should only reach this point for pairs from + * We should only reach this point for pairs generated from * create_filepairs_for_header_only_notifications(). For - * these, we should avoid the "/dev/null" special casing - * above, meaning we avoid showing such pairs as either + * these, we want to avoid the "/dev/null" special casing + * above, because we do not want such pairs shown as either * "new file" or "deleted file" below. */ lbl[0] = a_one; @@ -4314,7 +4343,7 @@ static void fill_metainfo(struct strbuf *msg, const char *set = diff_get_color(use_color, DIFF_METAINFO); const char *reset = diff_get_color(use_color, DIFF_RESET); const char *line_prefix = diff_line_prefix(o); - struct strbuf *more_headers = NULL; + struct string_list *more_headers = NULL; *must_show_header = 1; strbuf_init(msg, PATH_MAX * 2 + 300); @@ -5650,7 +5679,7 @@ int diff_opt_parse(struct diff_options *options, ac = parse_options(ac, av, prefix, options->parseopts, NULL, PARSE_OPT_KEEP_DASHDASH | - PARSE_OPT_KEEP_UNKNOWN | + PARSE_OPT_KEEP_UNKNOWN_OPT | PARSE_OPT_NO_INTERNAL_HELP | PARSE_OPT_ONE_SHOT | PARSE_OPT_STOP_AT_NON_OPTION); @@ -5841,6 +5870,7 @@ static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o) { int include_conflict_headers = (additional_headers(o, p->one->path) && + !o->pickaxe_opts && (!o->filter || filter_bit_tst(DIFF_STATUS_UNMERGED, o))); /* @@ -5896,6 +5926,8 @@ int diff_queue_is_empty(struct diff_options *o) int i; int include_conflict_headers = (o->additional_path_headers && + strmap_get_size(o->additional_path_headers) && + !o->pickaxe_opts && (!o->filter || filter_bit_tst(DIFF_STATUS_UNMERGED, o))); if (include_conflict_headers) |