diff options
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 767 |
1 files changed, 455 insertions, 312 deletions
@@ -291,7 +291,7 @@ static int parse_color_moved(const char *arg) return error(_("color moved setting must be one of 'no', 'default', 'blocks', 'zebra', 'dimmed-zebra', 'plain'")); } -static int parse_color_moved_ws(const char *arg) +static unsigned parse_color_moved_ws(const char *arg) { int ret = 0; struct string_list l = STRING_LIST_INIT_DUP; @@ -304,7 +304,9 @@ static int parse_color_moved_ws(const char *arg) strbuf_addstr(&sb, i->string); strbuf_trim(&sb); - if (!strcmp(sb.buf, "ignore-space-change")) + if (!strcmp(sb.buf, "no")) + ret = 0; + else if (!strcmp(sb.buf, "ignore-space-change")) ret |= XDF_IGNORE_WHITESPACE_CHANGE; else if (!strcmp(sb.buf, "ignore-space-at-eol")) ret |= XDF_IGNORE_WHITESPACE_AT_EOL; @@ -312,15 +314,19 @@ static int parse_color_moved_ws(const char *arg) ret |= XDF_IGNORE_WHITESPACE; else if (!strcmp(sb.buf, "allow-indentation-change")) ret |= COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE; - else - error(_("ignoring unknown color-moved-ws mode '%s'"), sb.buf); + else { + ret |= COLOR_MOVED_WS_ERROR; + error(_("unknown color-moved-ws mode '%s', possible values are 'ignore-space-change', 'ignore-space-at-eol', 'ignore-all-space', 'allow-indentation-change'"), sb.buf); + } strbuf_release(&sb); } if ((ret & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) && - (ret & XDF_WHITESPACE_FLAGS)) - die(_("color-moved-ws: allow-indentation-change cannot be combined with other white space modes")); + (ret & XDF_WHITESPACE_FLAGS)) { + error(_("color-moved-ws: allow-indentation-change cannot be combined with other whitespace modes")); + ret |= COLOR_MOVED_WS_ERROR; + } string_list_clear(&l, 0); @@ -341,8 +347,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) return 0; } if (!strcmp(var, "diff.colormovedws")) { - int cm = parse_color_moved_ws(value); - if (cm < 0) + unsigned cm = parse_color_moved_ws(value); + if (cm & COLOR_MOVED_WS_ERROR) return -1; diff_color_moved_ws_default = cm; return 0; @@ -489,7 +495,7 @@ static const char *external_diff(void) if (done_preparing) return external_diff_cmd; - external_diff_cmd = getenv("GIT_EXTERNAL_DIFF"); + external_diff_cmd = xstrdup_or_null(getenv("GIT_EXTERNAL_DIFF")); if (!external_diff_cmd) external_diff_cmd = external_diff_cmd_cfg; done_preparing = 1; @@ -554,14 +560,15 @@ static int count_lines(const char *data, int size) return count; } -static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) +static int fill_mmfile(struct repository *r, mmfile_t *mf, + struct diff_filespec *one) { if (!DIFF_FILE_VALID(one)) { mf->ptr = (char *)""; /* does not matter */ mf->size = 0; return 0; } - else if (diff_populate_filespec(one, 0)) + else if (diff_populate_filespec(r, one, 0)) return -1; mf->ptr = one->data; @@ -570,11 +577,12 @@ static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) } /* like fill_mmfile, but only for size, so we can avoid retrieving blob */ -static unsigned long diff_filespec_size(struct diff_filespec *one) +static unsigned long diff_filespec_size(struct repository *r, + struct diff_filespec *one) { if (!DIFF_FILE_VALID(one)) return 0; - diff_populate_filespec(one, CHECK_SIZE_ONLY); + diff_populate_filespec(r, one, CHECK_SIZE_ONLY); return one->size; } @@ -624,42 +632,54 @@ static void check_blank_at_eof(mmfile_t *mf1, mmfile_t *mf2, } static void emit_line_0(struct diff_options *o, - const char *set, unsigned reverse, const char *reset, + const char *set_sign, const char *set, unsigned reverse, const char *reset, int first, const char *line, int len) { int has_trailing_newline, has_trailing_carriage_return; - int nofirst; + int needs_reset = 0; /* at the end of the line */ FILE *file = o->file; - if (first) - fputs(diff_line_prefix(o), file); - else if (!len) - return; + fputs(diff_line_prefix(o), file); - if (len == 0) { - has_trailing_newline = (first == '\n'); - has_trailing_carriage_return = (!has_trailing_newline && - (first == '\r')); - nofirst = has_trailing_newline || has_trailing_carriage_return; - } else { - has_trailing_newline = (len > 0 && line[len-1] == '\n'); - if (has_trailing_newline) - len--; - has_trailing_carriage_return = (len > 0 && line[len-1] == '\r'); - if (has_trailing_carriage_return) - len--; - nofirst = 0; + has_trailing_newline = (len > 0 && line[len-1] == '\n'); + if (has_trailing_newline) + len--; + + has_trailing_carriage_return = (len > 0 && line[len-1] == '\r'); + if (has_trailing_carriage_return) + len--; + + if (!len && !first) + goto end_of_line; + + if (reverse && want_color(o->use_color)) { + fputs(GIT_COLOR_REVERSE, file); + needs_reset = 1; + } + + if (set_sign) { + fputs(set_sign, file); + needs_reset = 1; } - if (len || !nofirst) { - if (reverse && want_color(o->use_color)) - fputs(GIT_COLOR_REVERSE, file); + if (first) + fputc(first, file); + + if (!len) + goto end_of_line; + + if (set) { + if (set_sign && set != set_sign) + fputs(reset, file); fputs(set, file); - if (first && !nofirst) - fputc(first, file); - fwrite(line, len, 1, file); - fputs(reset, file); + needs_reset = 1; } + fwrite(line, len, 1, file); + needs_reset = 1; /* 'line' may contain color codes. */ + +end_of_line: + if (needs_reset) + fputs(reset, file); if (has_trailing_carriage_return) fputc('\r', file); if (has_trailing_newline) @@ -669,7 +689,7 @@ static void emit_line_0(struct diff_options *o, static void emit_line(struct diff_options *o, const char *set, const char *reset, const char *line, int len) { - emit_line_0(o, set, 0, reset, line[0], line+1, len-1); + emit_line_0(o, set, NULL, 0, reset, 0, line, len); } enum diff_symbol { @@ -736,6 +756,8 @@ struct emitted_diff_symbol { const char *line; int len; int flags; + int indent_off; /* Offset to first non-whitespace character */ + int indent_width; /* The visual width of the indentation */ enum diff_symbol s; }; #define EMITTED_DIFF_SYMBOL_INIT {NULL} @@ -764,90 +786,145 @@ struct moved_entry { struct hashmap_entry ent; const struct emitted_diff_symbol *es; struct moved_entry *next_line; - struct ws_delta *wsd; }; -/** - * The struct ws_delta holds white space differences between moved lines, i.e. - * between '+' and '-' lines that have been detected to be a move. - * The string contains the difference in leading white spaces, before the - * rest of the line is compared using the white space config for move - * coloring. The current_longer indicates if the first string in the - * comparision is longer than the second. - */ -struct ws_delta { - char *string; - unsigned int current_longer : 1; +struct moved_block { + struct moved_entry *match; + int wsd; /* The whitespace delta of this block */ }; -#define WS_DELTA_INIT { NULL, 0 } -static int compute_ws_delta(const struct emitted_diff_symbol *a, - const struct emitted_diff_symbol *b, - struct ws_delta *out) +static void moved_block_clear(struct moved_block *b) { - const struct emitted_diff_symbol *longer = a->len > b->len ? a : b; - const struct emitted_diff_symbol *shorter = a->len > b->len ? b : a; - int d = longer->len - shorter->len; + memset(b, 0, sizeof(*b)); +} - out->string = xmemdupz(longer->line, d); - out->current_longer = (a == longer); +#define INDENT_BLANKLINE INT_MIN - return !strncmp(longer->line + d, shorter->line, shorter->len); +static void fill_es_indent_data(struct emitted_diff_symbol *es) +{ + unsigned int off = 0, i; + int width = 0, tab_width = es->flags & WS_TAB_WIDTH_MASK; + const char *s = es->line; + const int len = es->len; + + /* skip any \v \f \r at start of indentation */ + while (s[off] == '\f' || s[off] == '\v' || + (s[off] == '\r' && off < len - 1)) + off++; + + /* calculate the visual width of indentation */ + while(1) { + if (s[off] == ' ') { + width++; + off++; + } else if (s[off] == '\t') { + width += tab_width - (width % tab_width); + while (s[++off] == '\t') + width += tab_width; + } else { + break; + } + } + + /* check if this line is blank */ + for (i = off; i < len; i++) + if (!isspace(s[i])) + break; + + if (i == len) { + es->indent_width = INDENT_BLANKLINE; + es->indent_off = len; + } else { + es->indent_off = off; + es->indent_width = width; + } +} + +static int compute_ws_delta(const struct emitted_diff_symbol *a, + const struct emitted_diff_symbol *b, + int *out) +{ + int a_len = a->len, + b_len = b->len, + a_off = a->indent_off, + a_width = a->indent_width, + b_off = b->indent_off, + b_width = b->indent_width; + int delta; + + if (a_width == INDENT_BLANKLINE && b_width == INDENT_BLANKLINE) { + *out = INDENT_BLANKLINE; + return 1; + } + + if (a->s == DIFF_SYMBOL_PLUS) + delta = a_width - b_width; + else + delta = b_width - a_width; + + if (a_len - a_off != b_len - b_off || + memcmp(a->line + a_off, b->line + b_off, a_len - a_off)) + return 0; + + *out = delta; + + return 1; } static int cmp_in_block_with_wsd(const struct diff_options *o, const struct moved_entry *cur, const struct moved_entry *match, - struct moved_entry *pmb, + struct moved_block *pmb, int n) { struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n]; - int al = cur->es->len, cl = l->len; + int al = cur->es->len, bl = match->es->len, cl = l->len; const char *a = cur->es->line, *b = match->es->line, *c = l->line; - - int wslen; + int a_off = cur->es->indent_off, + a_width = cur->es->indent_width, + c_off = l->indent_off, + c_width = l->indent_width; + int delta; /* - * We need to check if 'cur' is equal to 'match'. - * As those are from the same (+/-) side, we do not need to adjust for - * indent changes. However these were found using fuzzy matching - * so we do have to check if they are equal. + * We need to check if 'cur' is equal to 'match'. As those + * are from the same (+/-) side, we do not need to adjust for + * indent changes. However these were found using fuzzy + * matching so we do have to check if they are equal. Here we + * just check the lengths. We delay calling memcmp() to check + * the contents until later as if the length comparison for a + * and c fails we can avoid the call all together. */ - if (strcmp(a, b)) + if (al != bl) return 1; - if (!pmb->wsd) - /* - * No white space delta was carried forward? This can happen - * when we exit early in this function and do not carry - * forward ws. - */ - return 1; + /* If 'l' and 'cur' are both blank then they match. */ + if (a_width == INDENT_BLANKLINE && c_width == INDENT_BLANKLINE) + return 0; /* - * The indent changes of the block are known and carried forward in - * pmb->wsd; however we need to check if the indent changes of the - * current line are still the same as before. - * - * To do so we need to compare 'l' to 'cur', adjusting the - * one of them for the white spaces, depending which was longer. + * The indent changes of the block are known and stored in pmb->wsd; + * however we need to check if the indent changes of the current line + * match those of the current block and that the text of 'l' and 'cur' + * after the indentation match. */ + if (cur->es->s == DIFF_SYMBOL_PLUS) + delta = a_width - c_width; + else + delta = c_width - a_width; - wslen = strlen(pmb->wsd->string); - if (pmb->wsd->current_longer) { - c += wslen; - cl -= wslen; - } else { - a += wslen; - al -= wslen; - } - - if (strcmp(a, c)) - return 1; + /* + * If the previous lines of this block were all blank then set its + * whitespace delta. + */ + if (pmb->wsd == INDENT_BLANKLINE) + pmb->wsd = delta; - return 0; + return !(delta == pmb->wsd && al - a_off == cl - c_off && + !memcmp(a, b, al) && ! + memcmp(a + a_off, c + c_off, al - a_off)); } static int moved_entry_cmp(const void *hashmap_cmp_fn_data, @@ -886,7 +963,6 @@ static struct moved_entry *prepare_entry(struct diff_options *o, ret->ent.hash = xdiff_hash_string(l->line, l->len, flags); ret->es = l; ret->next_line = NULL; - ret->wsd = NULL; return ret; } @@ -914,6 +990,9 @@ static void add_lines_to_move_detection(struct diff_options *o, continue; } + if (o->color_moved_ws_handling & + COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) + fill_es_indent_data(&o->emitted_symbols->buf[n]); key = prepare_entry(o, n); if (prev_line && prev_line->es->s == o->emitted_symbols->buf[n].s) prev_line->next_line = key; @@ -926,18 +1005,18 @@ static void add_lines_to_move_detection(struct diff_options *o, static void pmb_advance_or_null(struct diff_options *o, struct moved_entry *match, struct hashmap *hm, - struct moved_entry **pmb, + struct moved_block *pmb, int pmb_nr) { int i; for (i = 0; i < pmb_nr; i++) { - struct moved_entry *prev = pmb[i]; + struct moved_entry *prev = pmb[i].match; struct moved_entry *cur = (prev && prev->next_line) ? prev->next_line : NULL; if (cur && !hm->cmpfn(o, cur, match, NULL)) { - pmb[i] = cur; + pmb[i].match = cur; } else { - pmb[i] = NULL; + pmb[i].match = NULL; } } } @@ -945,7 +1024,7 @@ static void pmb_advance_or_null(struct diff_options *o, static void pmb_advance_or_null_multi_match(struct diff_options *o, struct moved_entry *match, struct hashmap *hm, - struct moved_entry **pmb, + struct moved_block *pmb, int pmb_nr, int n) { int i; @@ -953,48 +1032,46 @@ static void pmb_advance_or_null_multi_match(struct diff_options *o, for (; match; match = hashmap_get_next(hm, match)) { for (i = 0; i < pmb_nr; i++) { - struct moved_entry *prev = pmb[i]; + struct moved_entry *prev = pmb[i].match; struct moved_entry *cur = (prev && prev->next_line) ? prev->next_line : NULL; if (!cur) continue; - if (!cmp_in_block_with_wsd(o, cur, match, pmb[i], n)) + if (!cmp_in_block_with_wsd(o, cur, match, &pmb[i], n)) got_match[i] |= 1; } } for (i = 0; i < pmb_nr; i++) { if (got_match[i]) { - /* Carry the white space delta forward */ - pmb[i]->next_line->wsd = pmb[i]->wsd; - pmb[i] = pmb[i]->next_line; - } else - pmb[i] = NULL; + /* Advance to the next line */ + pmb[i].match = pmb[i].match->next_line; + } else { + moved_block_clear(&pmb[i]); + } } + + free(got_match); } -static int shrink_potential_moved_blocks(struct moved_entry **pmb, +static int shrink_potential_moved_blocks(struct moved_block *pmb, int pmb_nr) { int lp, rp; /* Shrink the set of potential block to the remaining running */ for (lp = 0, rp = pmb_nr - 1; lp <= rp;) { - while (lp < pmb_nr && pmb[lp]) + while (lp < pmb_nr && pmb[lp].match) lp++; /* lp points at the first NULL now */ - while (rp > -1 && !pmb[rp]) + while (rp > -1 && !pmb[rp].match) rp--; /* rp points at the last non-NULL */ if (lp < pmb_nr && rp > -1 && lp < rp) { pmb[lp] = pmb[rp]; - if (pmb[rp]->wsd) { - free(pmb[rp]->wsd->string); - FREE_AND_NULL(pmb[rp]->wsd); - } - pmb[rp] = NULL; + memset(&pmb[rp], 0, sizeof(pmb[rp])); rp--; lp++; } @@ -1014,14 +1091,17 @@ static int shrink_potential_moved_blocks(struct moved_entry **pmb, * The last block consists of the (n - block_length)'th line up to but not * including the nth line. * + * Returns 0 if the last block is empty or is unset by this function, non zero + * otherwise. + * * NEEDSWORK: This uses the same heuristic as blame_entry_score() in blame.c. * Think of a way to unify them. */ -static void adjust_last_block(struct diff_options *o, int n, int block_length) +static int adjust_last_block(struct diff_options *o, int n, int block_length) { int i, alnum_count = 0; if (o->color_moved == COLOR_MOVED_PLAIN) - return; + return block_length; for (i = 1; i < block_length + 1; i++) { const char *c = o->emitted_symbols->buf[n - i].line; for (; *c; c++) { @@ -1029,11 +1109,12 @@ static void adjust_last_block(struct diff_options *o, int n, int block_length) continue; alnum_count++; if (alnum_count >= COLOR_MOVED_MIN_ALNUM_COUNT) - return; + return 1; } } for (i = 1; i < block_length + 1; i++) o->emitted_symbols->buf[n - i].flags &= ~DIFF_SYMBOL_MOVED_LINE; + return 0; } /* Find blocks of moved code, delegate actual coloring decision to helper */ @@ -1041,9 +1122,9 @@ static void mark_color_as_moved(struct diff_options *o, struct hashmap *add_lines, struct hashmap *del_lines) { - struct moved_entry **pmb = NULL; /* potentially moved blocks */ + struct moved_block *pmb = NULL; /* potentially moved blocks */ int pmb_nr = 0, pmb_alloc = 0; - int n, flipped_block = 1, block_length = 0; + int n, flipped_block = 0, block_length = 0; for (n = 0; n < o->emitted_symbols->nr; n++) { @@ -1051,6 +1132,7 @@ static void mark_color_as_moved(struct diff_options *o, struct moved_entry *key; struct moved_entry *match = NULL; struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n]; + enum diff_symbol last_symbol = 0; switch (l->s) { case DIFF_SYMBOL_PLUS: @@ -1066,20 +1148,27 @@ static void mark_color_as_moved(struct diff_options *o, free(key); break; default: - flipped_block = 1; + flipped_block = 0; } if (!match) { + int i; + adjust_last_block(o, n, block_length); + for(i = 0; i < pmb_nr; i++) + moved_block_clear(&pmb[i]); pmb_nr = 0; block_length = 0; + flipped_block = 0; + last_symbol = l->s; continue; } - l->flags |= DIFF_SYMBOL_MOVED_LINE; - - if (o->color_moved == COLOR_MOVED_PLAIN) + if (o->color_moved == COLOR_MOVED_PLAIN) { + last_symbol = l->s; + l->flags |= DIFF_SYMBOL_MOVED_LINE; continue; + } if (o->color_moved_ws_handling & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) @@ -1098,30 +1187,36 @@ static void mark_color_as_moved(struct diff_options *o, ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc); if (o->color_moved_ws_handling & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) { - struct ws_delta *wsd = xmalloc(sizeof(*match->wsd)); - if (compute_ws_delta(l, match->es, wsd)) { - match->wsd = wsd; - pmb[pmb_nr++] = match; - } else - free(wsd); + if (compute_ws_delta(l, match->es, + &pmb[pmb_nr].wsd)) + pmb[pmb_nr++].match = match; } else { - pmb[pmb_nr++] = match; + pmb[pmb_nr].wsd = 0; + pmb[pmb_nr++].match = match; } } - flipped_block = (flipped_block + 1) % 2; + if (adjust_last_block(o, n, block_length) && + pmb_nr && last_symbol != l->s) + flipped_block = (flipped_block + 1) % 2; + else + flipped_block = 0; - adjust_last_block(o, n, block_length); block_length = 0; } - block_length++; - - if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS) - l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT; + if (pmb_nr) { + block_length++; + l->flags |= DIFF_SYMBOL_MOVED_LINE; + if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS) + l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT; + } + last_symbol = l->s; } adjust_last_block(o, n, block_length); + for(n = 0; n < pmb_nr; n++) + moved_block_clear(&pmb[n]); free(pmb); } @@ -1187,12 +1282,13 @@ static void dim_moved_lines(struct diff_options *o) } static void emit_line_ws_markup(struct diff_options *o, - const char *set, const char *reset, - const char *line, int len, - const char *set_sign, char sign, + const char *set_sign, const char *set, + const char *reset, + int sign_index, const char *line, int len, unsigned ws_rule, int blank_at_eof) { const char *ws = NULL; + int sign = o->output_indicators[sign_index]; if (o->ws_error_highlight & ws_rule) { ws = diff_get_color_opt(o, DIFF_WHITESPACE); @@ -1201,18 +1297,15 @@ static void emit_line_ws_markup(struct diff_options *o, } if (!ws && !set_sign) - emit_line_0(o, set, 0, reset, sign, line, len); + emit_line_0(o, set, NULL, 0, reset, sign, line, len); else if (!ws) { - /* Emit just the prefix, then the rest. */ - emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset, - sign, "", 0); - emit_line_0(o, set, 0, reset, 0, line, len); + emit_line_0(o, set_sign, set, !!set_sign, reset, sign, line, len); } else if (blank_at_eof) /* Blank line at EOF - paint '+' as well */ - emit_line_0(o, ws, 0, reset, sign, line, len); + emit_line_0(o, ws, NULL, 0, reset, sign, line, len); else { /* Emit just the prefix, then the rest. */ - emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset, + emit_line_0(o, set_sign ? set_sign : set, NULL, !!set_sign, reset, sign, "", 0); ws_check_emit(line, len, ws_rule, o->file, set, reset, ws); @@ -1236,7 +1329,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, context = diff_get_color_opt(o, DIFF_CONTEXT); reset = diff_get_color_opt(o, DIFF_RESET); putc('\n', o->file); - emit_line_0(o, context, 0, reset, '\\', + emit_line_0(o, context, NULL, 0, reset, '\\', nneof, strlen(nneof)); break; case DIFF_SYMBOL_SUBMODULE_HEADER: @@ -1274,7 +1367,8 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, else if (c == '-') set = diff_get_color_opt(o, DIFF_FILE_OLD); } - emit_line_ws_markup(o, set, reset, line, len, set_sign, ' ', + emit_line_ws_markup(o, set_sign, set, reset, + OUTPUT_INDICATOR_CONTEXT, line, len, flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0); break; case DIFF_SYMBOL_PLUS: @@ -1317,7 +1411,8 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, set = diff_get_color_opt(o, DIFF_CONTEXT_BOLD); flags &= ~DIFF_SYMBOL_CONTENT_WS_MASK; } - emit_line_ws_markup(o, set, reset, line, len, set_sign, '+', + emit_line_ws_markup(o, set_sign, set, reset, + OUTPUT_INDICATOR_NEW, line, len, flags & DIFF_SYMBOL_CONTENT_WS_MASK, flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF); break; @@ -1360,7 +1455,8 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, else set = diff_get_color_opt(o, DIFF_CONTEXT_DIM); } - emit_line_ws_markup(o, set, reset, line, len, set_sign, '-', + emit_line_ws_markup(o, set_sign, set, reset, + OUTPUT_INDICATOR_OLD, line, len, flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0); break; case DIFF_SYMBOL_WORDS_PORCELAIN: @@ -1459,7 +1555,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o, static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s, const char *line, int len, unsigned flags) { - struct emitted_diff_symbol e = {line, len, flags, s}; + struct emitted_diff_symbol e = {line, len, flags, 0, 0, s}; if (o->emitted_symbols) append_emitted_diff_symbol(o, &e); @@ -1608,7 +1704,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata, strbuf_release(&msgbuf); } -static struct diff_tempfile *claim_diff_tempfile(void) { +static struct diff_tempfile *claim_diff_tempfile(void) +{ int i; for (i = 0; i < ARRAY_SIZE(diff_temp); i++) if (!diff_temp[i].name) @@ -1698,12 +1795,12 @@ static void emit_rewrite_diff(const char *name_a, quote_two_c_style(&a_name, a_prefix, name_a, 0); quote_two_c_style(&b_name, b_prefix, name_b, 0); - size_one = fill_textconv(textconv_one, one, &data_one); - size_two = fill_textconv(textconv_two, two, &data_two); + size_one = fill_textconv(o->repo, textconv_one, one, &data_one); + size_two = fill_textconv(o->repo, textconv_two, two, &data_two); memset(&ecbdata, 0, sizeof(ecbdata)); ecbdata.color_diff = want_color(o->use_color); - ecbdata.ws_rule = whitespace_rule(name_b); + ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b); ecbdata.opt = o; if (ecbdata.ws_rule & WS_BLANK_AT_EOF) { mmfile_t mf1, mf2; @@ -1883,19 +1980,17 @@ static int color_words_output_graph_prefix(struct diff_words_data *diff_words) } } -static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len) +static void fn_out_diff_words_aux(void *priv, + long minus_first, long minus_len, + long plus_first, long plus_len, + const char *func, long funclen) { struct diff_words_data *diff_words = priv; struct diff_words_style *style = diff_words->style; - int minus_first, minus_len, plus_first, plus_len; const char *minus_begin, *minus_end, *plus_begin, *plus_end; struct diff_options *opt = diff_words->opt; const char *line_prefix; - if (line[0] != '@' || parse_hunk_header(line, len, - &minus_first, &minus_len, &plus_first, &plus_len)) - return; - assert(opt); line_prefix = diff_line_prefix(opt); @@ -2045,8 +2140,8 @@ static void diff_words_show(struct diff_words_data *diff_words) xpp.flags = 0; /* as only the hunk header will be parsed, we need a 0-context */ xecfg.ctxlen = 0; - if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words, - &xpp, &xecfg)) + if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, NULL, + diff_words, &xpp, &xecfg)) die("unable to generate word diff"); free(minus.ptr); free(plus.ptr); @@ -2091,23 +2186,25 @@ static void diff_words_flush(struct emit_callback *ecbdata) } } -static void diff_filespec_load_driver(struct diff_filespec *one) +static void diff_filespec_load_driver(struct diff_filespec *one, + struct index_state *istate) { /* Use already-loaded driver */ if (one->driver) return; if (S_ISREG(one->mode)) - one->driver = userdiff_find_by_path(one->path); + one->driver = userdiff_find_by_path(istate, one->path); /* Fallback to default settings */ if (!one->driver) one->driver = userdiff_find_by_name("default"); } -static const char *userdiff_word_regex(struct diff_filespec *one) +static const char *userdiff_word_regex(struct diff_filespec *one, + struct index_state *istate) { - diff_filespec_load_driver(one); + diff_filespec_load_driver(one, istate); return one->driver->word_regex; } @@ -2130,9 +2227,9 @@ static void init_diff_words_data(struct emit_callback *ecbdata, xcalloc(1, sizeof(struct emitted_diff_symbols)); if (!o->word_regex) - o->word_regex = userdiff_word_regex(one); + o->word_regex = userdiff_word_regex(one, o->repo->index); if (!o->word_regex) - o->word_regex = userdiff_word_regex(two); + o->word_regex = userdiff_word_regex(two, o->repo->index); if (!o->word_regex) o->word_regex = diff_word_regex_cfg; if (o->word_regex) { @@ -2933,16 +3030,11 @@ static void show_dirstat(struct diff_options *options) struct diff_filepair *p = q->queue[i]; const char *name; unsigned long copied, added, damage; - int content_changed; name = p->two->path ? p->two->path : p->one->path; - if (p->one->oid_valid && p->two->oid_valid) - content_changed = oidcmp(&p->one->oid, &p->two->oid); - else - content_changed = 1; - - if (!content_changed) { + if (p->one->oid_valid && p->two->oid_valid && + oideq(&p->one->oid, &p->two->oid)) { /* * The SHA1 has not changed, so pre-/post-content is * identical. We can therefore skip looking at the @@ -2965,18 +3057,19 @@ static void show_dirstat(struct diff_options *options) } if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two)) { - diff_populate_filespec(p->one, 0); - diff_populate_filespec(p->two, 0); - diffcore_count_changes(p->one, p->two, NULL, NULL, + diff_populate_filespec(options->repo, p->one, 0); + diff_populate_filespec(options->repo, p->two, 0); + diffcore_count_changes(options->repo, + p->one, p->two, NULL, NULL, &copied, &added); diff_free_filespec_data(p->one); diff_free_filespec_data(p->two); } else if (DIFF_FILE_VALID(p->one)) { - diff_populate_filespec(p->one, CHECK_SIZE_ONLY); + diff_populate_filespec(options->repo, p->one, CHECK_SIZE_ONLY); copied = added = 0; diff_free_filespec_data(p->one); } else if (DIFF_FILE_VALID(p->two)) { - diff_populate_filespec(p->two, CHECK_SIZE_ONLY); + diff_populate_filespec(options->repo, p->two, CHECK_SIZE_ONLY); copied = 0; added = p->two->size; diff_free_filespec_data(p->two); @@ -2989,7 +3082,7 @@ static void show_dirstat(struct diff_options *options) * made to the preimage. * If the resulting damage is zero, we know that * diffcore_count_changes() considers the two entries to - * be identical, but since content_changed is true, we + * be identical, but since the oid changed, we * know that there must have been _some_ kind of change, * so we force all entries to have damage > 0. */ @@ -3103,6 +3196,15 @@ static int is_conflict_marker(const char *line, int marker_size, unsigned long l return 1; } +static void checkdiff_consume_hunk(void *priv, + long ob, long on, long nb, long nn, + const char *func, long funclen) + +{ + struct checkdiff_t *data = priv; + data->lineno = nb - 1; +} + static void checkdiff_consume(void *priv, char *line, unsigned long len) { struct checkdiff_t *data = priv; @@ -3138,12 +3240,6 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len) data->o->file, set, reset, ws); } else if (line[0] == ' ') { data->lineno++; - } else if (line[0] == '@') { - char *plus = strchr(line, '+'); - if (plus) - data->lineno = strtol(plus, NULL, 10) - 1; - else - die("invalid diff"); } } @@ -3200,7 +3296,7 @@ static void emit_binary_diff_body(struct diff_options *o, } if (delta && delta_size < deflate_size) { - char *s = xstrfmt("%lu", orig_size); + char *s = xstrfmt("%"PRIuMAX , (uintmax_t)orig_size); emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA, s, strlen(s), 0); free(s); @@ -3250,15 +3346,16 @@ static void emit_binary_diff(struct diff_options *o, emit_binary_diff_body(o, two, one); } -int diff_filespec_is_binary(struct diff_filespec *one) +int diff_filespec_is_binary(struct repository *r, + struct diff_filespec *one) { if (one->is_binary == -1) { - diff_filespec_load_driver(one); + diff_filespec_load_driver(one, r->index); if (one->driver->binary != -1) one->is_binary = one->driver->binary; else { if (!one->data && DIFF_FILE_VALID(one)) - diff_populate_filespec(one, CHECK_BINARY); + diff_populate_filespec(r, one, CHECK_BINARY); if (one->is_binary == -1 && one->data) one->is_binary = buffer_is_binary(one->data, one->size); @@ -3269,9 +3366,10 @@ int diff_filespec_is_binary(struct diff_filespec *one) return one->is_binary; } -static const struct userdiff_funcname *diff_funcname_pattern(struct diff_filespec *one) +static const struct userdiff_funcname * +diff_funcname_pattern(struct diff_options *o, struct diff_filespec *one) { - diff_filespec_load_driver(one); + diff_filespec_load_driver(one, o->repo->index); return one->driver->funcname.pattern ? &one->driver->funcname : NULL; } @@ -3283,13 +3381,14 @@ void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const options->b_prefix = b; } -struct userdiff_driver *get_textconv(struct diff_filespec *one) +struct userdiff_driver *get_textconv(struct repository *r, + struct diff_filespec *one) { if (!DIFF_FILE_VALID(one)) return NULL; - diff_filespec_load_driver(one); - return userdiff_get_textconv(one->driver); + diff_filespec_load_driver(one, r->index); + return userdiff_get_textconv(r, one->driver); } static void builtin_diff(const char *name_a, @@ -3338,8 +3437,8 @@ static void builtin_diff(const char *name_a, } if (o->flags.allow_textconv) { - textconv_one = get_textconv(one); - textconv_two = get_textconv(two); + textconv_one = get_textconv(o->repo, one); + textconv_two = get_textconv(o->repo, two); } /* Never use a non-valid filename anywhere if at all possible */ @@ -3380,13 +3479,13 @@ static void builtin_diff(const char *name_a, if ((one->mode ^ two->mode) & S_IFMT) goto free_ab_and_return; if (complete_rewrite && - (textconv_one || !diff_filespec_is_binary(one)) && - (textconv_two || !diff_filespec_is_binary(two))) { + (textconv_one || !diff_filespec_is_binary(o->repo, one)) && + (textconv_two || !diff_filespec_is_binary(o->repo, two))) { emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len, 0); strbuf_reset(&header); emit_rewrite_diff(name_a, name_b, one, two, - textconv_one, textconv_two, o); + textconv_one, textconv_two, o); o->found_changes = 1; goto free_ab_and_return; } @@ -3398,13 +3497,13 @@ static void builtin_diff(const char *name_a, strbuf_reset(&header); goto free_ab_and_return; } else if (!o->flags.text && - ( (!textconv_one && diff_filespec_is_binary(one)) || - (!textconv_two && diff_filespec_is_binary(two)) )) { + ( (!textconv_one && diff_filespec_is_binary(o->repo, one)) || + (!textconv_two && diff_filespec_is_binary(o->repo, two)) )) { struct strbuf sb = STRBUF_INIT; if (!one->data && !two->data && S_ISREG(one->mode) && S_ISREG(two->mode) && !o->flags.binary) { - if (!oidcmp(&one->oid, &two->oid)) { + if (oideq(&one->oid, &two->oid)) { if (must_show_header) emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len, @@ -3420,7 +3519,8 @@ static void builtin_diff(const char *name_a, strbuf_release(&sb); goto free_ab_and_return; } - if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) + if (fill_mmfile(o->repo, &mf1, one) < 0 || + fill_mmfile(o->repo, &mf2, two) < 0) die("unable to read files to diff"); /* Quite common confusing case */ if (mf1.size == mf2.size && @@ -3444,7 +3544,7 @@ static void builtin_diff(const char *name_a, o->found_changes = 1; } else { /* Crazy xdl interfaces.. */ - const char *diffopts = getenv("GIT_DIFF_OPTS"); + const char *diffopts; const char *v; xpparam_t xpp; xdemitconf_t xecfg; @@ -3457,12 +3557,12 @@ static void builtin_diff(const char *name_a, strbuf_reset(&header); } - mf1.size = fill_textconv(textconv_one, one, &mf1.ptr); - mf2.size = fill_textconv(textconv_two, two, &mf2.ptr); + mf1.size = fill_textconv(o->repo, textconv_one, one, &mf1.ptr); + mf2.size = fill_textconv(o->repo, textconv_two, two, &mf2.ptr); - pe = diff_funcname_pattern(one); + pe = diff_funcname_pattern(o, one); if (!pe) - pe = diff_funcname_pattern(two); + pe = diff_funcname_pattern(o, two); memset(&xpp, 0, sizeof(xpp)); memset(&xecfg, 0, sizeof(xecfg)); @@ -3471,7 +3571,7 @@ static void builtin_diff(const char *name_a, lbl[0] = NULL; ecbdata.label_path = lbl; ecbdata.color_diff = want_color(o->use_color); - ecbdata.ws_rule = whitespace_rule(name_b); + ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b); if (ecbdata.ws_rule & WS_BLANK_AT_EOF) check_blank_at_eof(&mf1, &mf2, &ecbdata); ecbdata.opt = o; @@ -3487,16 +3587,19 @@ static void builtin_diff(const char *name_a, xecfg.flags |= XDL_EMIT_FUNCCONTEXT; if (pe) xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags); + + diffopts = getenv("GIT_DIFF_OPTS"); if (!diffopts) ; else if (skip_prefix(diffopts, "--unified=", &v)) xecfg.ctxlen = strtoul(v, NULL, 10); else if (skip_prefix(diffopts, "-u", &v)) xecfg.ctxlen = strtoul(v, NULL, 10); + if (o->word_diff) init_diff_words_data(&ecbdata, o, one, two); - if (xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata, - &xpp, &xecfg)) + if (xdi_diff_outf(&mf1, &mf2, NULL, fn_out_consume, + &ecbdata, &xpp, &xecfg)) die("unable to generate diff for %s", one->path); if (o->word_diff) free_diff_words_data(&ecbdata); @@ -3569,22 +3672,23 @@ static void builtin_diffstat(const char *name_a, const char *name_b, return; } - same_contents = !oidcmp(&one->oid, &two->oid); + same_contents = oideq(&one->oid, &two->oid); - if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) { + if (diff_filespec_is_binary(o->repo, one) || + diff_filespec_is_binary(o->repo, two)) { data->is_binary = 1; if (same_contents) { data->added = 0; data->deleted = 0; } else { - data->added = diff_filespec_size(two); - data->deleted = diff_filespec_size(one); + data->added = diff_filespec_size(o->repo, two); + data->deleted = diff_filespec_size(o->repo, one); } } else if (complete_rewrite) { - diff_populate_filespec(one, 0); - diff_populate_filespec(two, 0); + diff_populate_filespec(o->repo, one, 0); + diff_populate_filespec(o->repo, two, 0); data->deleted = count_lines(one->data, one->size); data->added = count_lines(two->data, two->size); } @@ -3594,7 +3698,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b, xpparam_t xpp; xdemitconf_t xecfg; - if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) + if (fill_mmfile(o->repo, &mf1, one) < 0 || + fill_mmfile(o->repo, &mf2, two) < 0) die("unable to read files to diff"); memset(&xpp, 0, sizeof(xpp)); @@ -3604,8 +3709,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b, xpp.anchors_nr = o->anchors_nr; xecfg.ctxlen = o->context; xecfg.interhunkctxlen = o->interhunkcontext; - if (xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat, - &xpp, &xecfg)) + if (xdi_diff_outf(&mf1, &mf2, discard_hunk_line, + diffstat_consume, diffstat, &xpp, &xecfg)) die("unable to generate diffstat for %s", one->path); } @@ -3629,10 +3734,11 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, data.filename = name_b ? name_b : name_a; data.lineno = 0; data.o = o; - data.ws_rule = whitespace_rule(attr_path); - data.conflict_marker_size = ll_merge_marker_size(attr_path); + data.ws_rule = whitespace_rule(o->repo->index, attr_path); + data.conflict_marker_size = ll_merge_marker_size(o->repo->index, attr_path); - if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) + if (fill_mmfile(o->repo, &mf1, one) < 0 || + fill_mmfile(o->repo, &mf2, two) < 0) die("unable to read files to diff"); /* @@ -3641,7 +3747,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, * introduced changes, and as long as the "new" side is text, we * can and should check what it introduces. */ - if (diff_filespec_is_binary(two)) + if (diff_filespec_is_binary(o->repo, two)) goto free_and_return; else { /* Crazy xdl interfaces.. */ @@ -3652,7 +3758,8 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, memset(&xecfg, 0, sizeof(xecfg)); xecfg.ctxlen = 1; /* at least one context line */ xpp.flags = 0; - if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data, + if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume_hunk, + checkdiff_consume, &data, &xpp, &xecfg)) die("unable to generate checkdiff for %s", one->path); @@ -3714,7 +3821,10 @@ void fill_filespec(struct diff_filespec *spec, const struct object_id *oid, * the work tree has that object contents, return true, so that * prepare_temp_file() does not have to inflate and extract. */ -static int reuse_worktree_file(const char *name, const struct object_id *oid, int want_file) +static int reuse_worktree_file(struct index_state *istate, + const char *name, + const struct object_id *oid, + int want_file) { const struct cache_entry *ce; struct stat st; @@ -3733,7 +3843,7 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in * by diff-cache --cached, which does read the cache before * calling us. */ - if (!active_cache) + if (!istate->cache) return 0; /* We want to avoid the working directory if our caller @@ -3752,20 +3862,20 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in * Similarly, if we'd have to convert the file contents anyway, that * makes the optimization not worthwhile. */ - if (!want_file && would_convert_to_git(&the_index, name)) + if (!want_file && would_convert_to_git(istate, name)) return 0; len = strlen(name); - pos = cache_name_pos(name, len); + pos = index_name_pos(istate, name, len); if (pos < 0) return 0; - ce = active_cache[pos]; + ce = istate->cache[pos]; /* * This is not the sha1 we are looking for, or * unreusable because it is not a regular file. */ - if (oidcmp(oid, &ce->oid) || !S_ISREG(ce->ce_mode)) + if (!oideq(oid, &ce->oid) || !S_ISREG(ce->ce_mode)) return 0; /* @@ -3779,7 +3889,7 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in * If ce matches the file in the work tree, we can reuse it. */ if (ce_uptodate(ce) || - (!lstat(name, &st) && !ce_match_stat(ce, &st, 0))) + (!lstat(name, &st) && !ie_match_stat(istate, ce, &st, 0))) return 1; return 0; @@ -3812,7 +3922,9 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only) * grab the data for the blob (or file) for our own in-core comparison. * diff_filespec has data and size fields for this purpose. */ -int diff_populate_filespec(struct diff_filespec *s, unsigned int flags) +int diff_populate_filespec(struct repository *r, + struct diff_filespec *s, + unsigned int flags) { int size_only = flags & CHECK_SIZE_ONLY; int err = 0; @@ -3839,7 +3951,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags) return diff_populate_gitlink(s, size_only); if (!s->oid_valid || - reuse_worktree_file(s->path, &s->oid, 0)) { + reuse_worktree_file(r->index, s->path, &s->oid, 0)) { struct strbuf buf = STRBUF_INIT; struct stat st; int fd; @@ -3872,7 +3984,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags) * point if the path requires us to run the content * conversion. */ - if (size_only && !would_convert_to_git(&the_index, s->path)) + if (size_only && !would_convert_to_git(r->index, s->path)) return 0; /* @@ -3899,7 +4011,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags) /* * Convert from working tree format to canonical git format */ - if (convert_to_git(&the_index, s->path, s->data, s->size, &buf, conv_flags)) { + if (convert_to_git(r->index, s->path, s->data, s->size, &buf, conv_flags)) { size_t size = 0; munmap(s->data, s->size); s->should_munmap = 0; @@ -3911,8 +4023,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags) else { enum object_type type; if (size_only || (flags & CHECK_BINARY)) { - type = oid_object_info(the_repository, &s->oid, - &s->size); + type = oid_object_info(r, &s->oid, &s->size); if (type < 0) die("unable to read %s", oid_to_hex(&s->oid)); @@ -3950,7 +4061,8 @@ void diff_free_filespec_data(struct diff_filespec *s) FREE_AND_NULL(s->cnt_data); } -static void prep_temp_blob(const char *path, struct diff_tempfile *temp, +static void prep_temp_blob(struct index_state *istate, + const char *path, struct diff_tempfile *temp, void *blob, unsigned long size, const struct object_id *oid, @@ -3968,7 +4080,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp, temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1); if (!temp->tempfile) die_errno("unable to create temp-file"); - if (convert_to_working_tree(&the_index, path, + if (convert_to_working_tree(istate, path, (const char *)blob, (size_t)size, &buf)) { blob = buf.buf; size = buf.len; @@ -3984,8 +4096,9 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp, free(path_dup); } -static struct diff_tempfile *prepare_temp_file(const char *name, - struct diff_filespec *one) +static struct diff_tempfile *prepare_temp_file(struct repository *r, + const char *name, + struct diff_filespec *one) { struct diff_tempfile *temp = claim_diff_tempfile(); @@ -4002,7 +4115,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name, if (!S_ISGITLINK(one->mode) && (!one->oid_valid || - reuse_worktree_file(name, &one->oid, 1))) { + reuse_worktree_file(r->index, name, &one->oid, 1))) { struct stat st; if (lstat(name, &st) < 0) { if (errno == ENOENT) @@ -4013,7 +4126,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name, struct strbuf sb = STRBUF_INIT; if (strbuf_readlink(&sb, name, st.st_size) < 0) die_errno("readlink(%s)", name); - prep_temp_blob(name, temp, sb.buf, sb.len, + prep_temp_blob(r->index, name, temp, sb.buf, sb.len, (one->oid_valid ? &one->oid : &null_oid), (one->oid_valid ? @@ -4038,19 +4151,21 @@ static struct diff_tempfile *prepare_temp_file(const char *name, return temp; } else { - if (diff_populate_filespec(one, 0)) + if (diff_populate_filespec(r, one, 0)) die("cannot read data blob for %s", one->path); - prep_temp_blob(name, temp, one->data, one->size, + prep_temp_blob(r->index, name, temp, + one->data, one->size, &one->oid, one->mode); } return temp; } -static void add_external_diff_name(struct argv_array *argv, +static void add_external_diff_name(struct repository *r, + struct argv_array *argv, const char *name, struct diff_filespec *df) { - struct diff_tempfile *temp = prepare_temp_file(name, df); + struct diff_tempfile *temp = prepare_temp_file(r, name, df); argv_array_push(argv, temp->name); argv_array_push(argv, temp->hex); argv_array_push(argv, temp->mode); @@ -4079,11 +4194,11 @@ static void run_external_diff(const char *pgm, argv_array_push(&argv, name); if (one && two) { - add_external_diff_name(&argv, name, one); + add_external_diff_name(o->repo, &argv, name, one); if (!other) - add_external_diff_name(&argv, name, two); + add_external_diff_name(o->repo, &argv, name, two); else { - add_external_diff_name(&argv, other, two); + add_external_diff_name(o->repo, &argv, other, two); argv_array_push(&argv, other); argv_array_push(&argv, xfrm_msg); } @@ -4170,14 +4285,16 @@ static void fill_metainfo(struct strbuf *msg, default: *must_show_header = 0; } - if (one && two && oidcmp(&one->oid, &two->oid)) { + if (one && two && !oideq(&one->oid, &two->oid)) { const unsigned hexsz = the_hash_algo->hexsz; int abbrev = o->flags.full_index ? hexsz : DEFAULT_ABBREV; if (o->flags.binary) { mmfile_t mf; - if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) || - (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) + if ((!fill_mmfile(o->repo, &mf, one) && + diff_filespec_is_binary(o->repo, one)) || + (!fill_mmfile(o->repo, &mf, two) && + diff_filespec_is_binary(o->repo, two))) abbrev = hexsz; } strbuf_addf(msg, "%s%sindex %s..%s", line_prefix, set, @@ -4205,7 +4322,9 @@ static void run_diff_cmd(const char *pgm, if (o->flags.allow_external) { - struct userdiff_driver *drv = userdiff_find_by_path(attr_path); + struct userdiff_driver *drv; + + drv = userdiff_find_by_path(o->repo->index, attr_path); if (drv && drv->external) pgm = drv->external; } @@ -4234,7 +4353,7 @@ static void run_diff_cmd(const char *pgm, fprintf(o->file, "* Unmerged path %s\n", name); } -static void diff_fill_oid_info(struct diff_filespec *one) +static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *istate) { if (DIFF_FILE_VALID(one)) { if (!one->oid_valid) { @@ -4245,7 +4364,7 @@ static void diff_fill_oid_info(struct diff_filespec *one) } if (lstat(one->path, &st) < 0) die_errno("stat '%s'", one->path); - if (index_path(&one->oid, one->path, &st, 0)) + if (index_path(istate, &one->oid, one->path, &st, 0)) die("cannot hash %s", one->path); } } @@ -4293,8 +4412,8 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o) return; } - diff_fill_oid_info(one); - diff_fill_oid_info(two); + diff_fill_oid_info(one, o->repo->index); + diff_fill_oid_info(two, o->repo->index); if (!pgm && DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) && @@ -4305,7 +4424,8 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o) */ struct diff_filespec *null = alloc_filespec(two->path); run_diff_cmd(NULL, name, other, attr_path, - one, null, &msg, o, p); + one, null, &msg, + o, p); free(null); strbuf_release(&msg); @@ -4329,7 +4449,8 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o, if (DIFF_PAIR_UNMERGED(p)) { /* unmerged */ - builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, o, p); + builtin_diffstat(p->one->path, NULL, NULL, NULL, + diffstat, o, p); return; } @@ -4339,10 +4460,11 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o, if (o->prefix_length) strip_prefix(o->prefix_length, &name, &other); - diff_fill_oid_info(p->one); - diff_fill_oid_info(p->two); + diff_fill_oid_info(p->one, o->repo->index); + diff_fill_oid_info(p->two, o->repo->index); - builtin_diffstat(name, other, p->one, p->two, diffstat, o, p); + builtin_diffstat(name, other, p->one, p->two, + diffstat, o, p); } static void run_checkdiff(struct diff_filepair *p, struct diff_options *o) @@ -4363,18 +4485,22 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o) if (o->prefix_length) strip_prefix(o->prefix_length, &name, &other); - diff_fill_oid_info(p->one); - diff_fill_oid_info(p->two); + diff_fill_oid_info(p->one, o->repo->index); + diff_fill_oid_info(p->two, o->repo->index); builtin_checkdiff(name, other, attr_path, p->one, p->two, o); } -void diff_setup(struct diff_options *options) +void repo_diff_setup(struct repository *r, struct diff_options *options) { memcpy(options, &default_diff_options, sizeof(*options)); options->file = stdout; + options->repo = r; + options->output_indicators[OUTPUT_INDICATOR_NEW] = '+'; + options->output_indicators[OUTPUT_INDICATOR_OLD] = '-'; + options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = ' '; options->abbrev = DEFAULT_ABBREV; options->line_termination = '\n'; options->break_opt = -1; @@ -4764,7 +4890,8 @@ static int parse_diff_filter_opt(const char *optarg, struct diff_options *opt) return 0; } -static void enable_patch_output(int *fmt) { +static void enable_patch_output(int *fmt) +{ *fmt &= ~DIFF_FORMAT_NO_OUTPUT; *fmt |= DIFF_FORMAT_PATCH; } @@ -4852,6 +4979,12 @@ int diff_opt_parse(struct diff_options *options, options->output_format |= DIFF_FORMAT_DIFFSTAT; } else if (!strcmp(arg, "--no-compact-summary")) options->flags.stat_with_summary = 0; + else if (skip_prefix(arg, "--output-indicator-new=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0]; + else if (skip_prefix(arg, "--output-indicator-old=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0]; + else if (skip_prefix(arg, "--output-indicator-context=", &arg)) + options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = arg[0]; /* renames options */ else if (starts_with(arg, "-B") || @@ -4973,10 +5106,15 @@ int diff_opt_parse(struct diff_options *options, else if (skip_prefix(arg, "--color-moved=", &arg)) { int cm = parse_color_moved(arg); if (cm < 0) - die("bad --color-moved argument: %s", arg); + return error("bad --color-moved argument: %s", arg); options->color_moved = cm; + } else if (!strcmp(arg, "--no-color-moved-ws")) { + options->color_moved_ws_handling = 0; } else if (skip_prefix(arg, "--color-moved-ws=", &arg)) { - options->color_moved_ws_handling = parse_color_moved_ws(arg); + unsigned cm = parse_color_moved_ws(arg); + if (cm & COLOR_MOVED_WS_ERROR) + return -1; + options->color_moved_ws_handling = cm; } else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) { options->use_color = 1; options->word_diff = DIFF_WORDS_COLOR; @@ -5323,7 +5461,7 @@ int diff_unmodified_pair(struct diff_filepair *p) * dealing with a change. */ if (one->oid_valid && two->oid_valid && - !oidcmp(&one->oid, &two->oid) && + oideq(&one->oid, &two->oid) && !one->dirty_submodule && !two->dirty_submodule) return 1; /* no change */ if (!one->oid_valid && !two->oid_valid) @@ -5457,7 +5595,7 @@ static void diff_resolve_rename_copy(void) else p->status = DIFF_STATUS_RENAMED; } - else if (oidcmp(&p->one->oid, &p->two->oid) || + else if (!oideq(&p->one->oid, &p->two->oid) || p->one->mode != p->two->mode || p->one->dirty_submodule || p->two->dirty_submodule || @@ -5607,10 +5745,6 @@ static void patch_id_consume(void *priv, char *line, unsigned long len) struct patch_id_t *data = priv; int new_len; - /* Ignore line numbers when computing the SHA1 of the patch */ - if (starts_with(line, "@@ -")) - return; - new_len = remove_space(line, len); git_SHA1_Update(data->ctx, line, new_len); @@ -5663,8 +5797,8 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid if (DIFF_PAIR_UNMERGED(p)) continue; - diff_fill_oid_info(p->one); - diff_fill_oid_info(p->two); + diff_fill_oid_info(p->one, options->repo->index); + diff_fill_oid_info(p->two, options->repo->index); len1 = remove_space(p->one->path, strlen(p->one->path)); len2 = remove_space(p->two->path, strlen(p->two->path)); @@ -5696,12 +5830,12 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid if (diff_header_only) continue; - if (fill_mmfile(&mf1, p->one) < 0 || - fill_mmfile(&mf2, p->two) < 0) + if (fill_mmfile(options->repo, &mf1, p->one) < 0 || + fill_mmfile(options->repo, &mf2, p->two) < 0) return error("unable to read files to diff"); - if (diff_filespec_is_binary(p->one) || - diff_filespec_is_binary(p->two)) { + if (diff_filespec_is_binary(options->repo, p->one) || + diff_filespec_is_binary(options->repo, p->two)) { git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid), GIT_SHA1_HEXSZ); git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid), @@ -5712,8 +5846,8 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid xpp.flags = 0; xecfg.ctxlen = 3; xecfg.flags = 0; - if (xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data, - &xpp, &xecfg)) + if (xdi_diff_outf(&mf1, &mf2, discard_hunk_line, + patch_id_consume, &data, &xpp, &xecfg)) return error("unable to generate patch-id diff for %s", p->one->path); } @@ -5819,8 +5953,8 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o) if (o->color_moved == COLOR_MOVED_ZEBRA_DIM) dim_moved_lines(o); - hashmap_free(&add_lines, 0); - hashmap_free(&del_lines, 0); + hashmap_free(&add_lines, 1); + hashmap_free(&del_lines, 1); } for (i = 0; i < esm.nr; i++) @@ -5828,8 +5962,10 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o) for (i = 0; i < esm.nr; i++) free((void *)esm.buf[i].line); + esm.nr = 0; + + o->emitted_symbols = NULL; } - esm.nr = 0; } void diff_flush(struct diff_options *options) @@ -6004,19 +6140,21 @@ static void diffcore_apply_filter(struct diff_options *options) } /* Check whether two filespecs with the same mode and size are identical */ -static int diff_filespec_is_identical(struct diff_filespec *one, +static int diff_filespec_is_identical(struct repository *r, + struct diff_filespec *one, struct diff_filespec *two) { if (S_ISGITLINK(one->mode)) return 0; - if (diff_populate_filespec(one, 0)) + if (diff_populate_filespec(r, one, 0)) return 0; - if (diff_populate_filespec(two, 0)) + if (diff_populate_filespec(r, two, 0)) return 0; return !memcmp(one->data, two->data, one->size); } -static int diff_filespec_check_stat_unmatch(struct diff_filepair *p) +static int diff_filespec_check_stat_unmatch(struct repository *r, + struct diff_filepair *p) { if (p->done_skip_stat_unmatch) return p->skip_stat_unmatch_result; @@ -6040,10 +6178,10 @@ static int diff_filespec_check_stat_unmatch(struct diff_filepair *p) !DIFF_FILE_VALID(p->two) || (p->one->oid_valid && p->two->oid_valid) || (p->one->mode != p->two->mode) || - diff_populate_filespec(p->one, CHECK_SIZE_ONLY) || - diff_populate_filespec(p->two, CHECK_SIZE_ONLY) || + diff_populate_filespec(r, p->one, CHECK_SIZE_ONLY) || + diff_populate_filespec(r, p->two, CHECK_SIZE_ONLY) || (p->one->size != p->two->size) || - !diff_filespec_is_identical(p->one, p->two)) /* (2) */ + !diff_filespec_is_identical(r, p->one, p->two)) /* (2) */ p->skip_stat_unmatch_result = 1; return p->skip_stat_unmatch_result; } @@ -6058,7 +6196,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt) for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; - if (diff_filespec_check_stat_unmatch(p)) + if (diff_filespec_check_stat_unmatch(diffopt->repo, p)) diff_q(&outq, p); else { /* @@ -6100,7 +6238,8 @@ void diffcore_std(struct diff_options *options) if (!options->found_follow) { /* See try_to_follow_renames() in tree-diff.c */ if (options->break_opt != -1) - diffcore_break(options->break_opt); + diffcore_break(options->repo, + options->break_opt); if (options->detect_rename) diffcore_rename(options); if (options->break_opt != -1) @@ -6251,7 +6390,7 @@ void diff_change(struct diff_options *options, return; if (options->flags.quick && options->skip_stat_unmatch && - !diff_filespec_check_stat_unmatch(p)) + !diff_filespec_check_stat_unmatch(options->repo, p)) return; options->flags.has_changes = 1; @@ -6273,8 +6412,10 @@ struct diff_filepair *diff_unmerge(struct diff_options *options, const char *pat return pair; } -static char *run_textconv(const char *pgm, struct diff_filespec *spec, - size_t *outsize) +static char *run_textconv(struct repository *r, + const char *pgm, + struct diff_filespec *spec, + size_t *outsize) { struct diff_tempfile *temp; const char *argv[3]; @@ -6283,7 +6424,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, struct strbuf buf = STRBUF_INIT; int err = 0; - temp = prepare_temp_file(spec->path, spec); + temp = prepare_temp_file(r, spec->path, spec); *arg++ = pgm; *arg++ = temp->name; *arg = NULL; @@ -6310,7 +6451,8 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, return strbuf_detach(&buf, outsize); } -size_t fill_textconv(struct userdiff_driver *driver, +size_t fill_textconv(struct repository *r, + struct userdiff_driver *driver, struct diff_filespec *df, char **outbuf) { @@ -6321,7 +6463,7 @@ size_t fill_textconv(struct userdiff_driver *driver, *outbuf = ""; return 0; } - if (diff_populate_filespec(df, 0)) + if (diff_populate_filespec(r, df, 0)) die("unable to read files to diff"); *outbuf = df->data; return df->size; @@ -6338,7 +6480,7 @@ size_t fill_textconv(struct userdiff_driver *driver, return size; } - *outbuf = run_textconv(driver->textconv, df, &size); + *outbuf = run_textconv(r, driver->textconv, df, &size); if (!*outbuf) die("unable to read files to diff"); @@ -6358,7 +6500,8 @@ size_t fill_textconv(struct userdiff_driver *driver, return size; } -int textconv_object(const char *path, +int textconv_object(struct repository *r, + const char *path, unsigned mode, const struct object_id *oid, int oid_valid, @@ -6370,13 +6513,13 @@ int textconv_object(const char *path, df = alloc_filespec(path); fill_filespec(df, oid, oid_valid, mode); - textconv = get_textconv(df); + textconv = get_textconv(r, df); if (!textconv) { free_filespec(df); return 0; } - *buf_size = fill_textconv(textconv, df, buf); + *buf_size = fill_textconv(r, textconv, df, buf); free_filespec(df); return 1; } |