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-rw-r--r--diff.c140
1 files changed, 80 insertions, 60 deletions
diff --git a/diff.c b/diff.c
index 145cfbae59..f0c7557b40 100644
--- a/diff.c
+++ b/diff.c
@@ -624,42 +624,54 @@ 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 (len || !nofirst) {
- if (reverse && want_color(o->use_color))
- fputs(GIT_COLOR_REVERSE, file);
+ if (set_sign) {
+ fputs(set_sign, file);
+ needs_reset = 1;
+ }
+
+ 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 +681,7 @@ 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 {
@@ -968,8 +980,13 @@ static void pmb_advance_or_null_multi_match(struct diff_options *o,
/* Carry the white space delta forward */
pmb[i]->next_line->wsd = pmb[i]->wsd;
pmb[i] = pmb[i]->next_line;
- } else
+ } else {
+ if (pmb[i]->wsd) {
+ free(pmb[i]->wsd->string);
+ FREE_AND_NULL(pmb[i]->wsd);
+ }
pmb[i] = NULL;
+ }
}
}
@@ -990,10 +1007,6 @@ static int shrink_potential_moved_blocks(struct moved_entry **pmb,
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;
rp--;
lp++;
@@ -1187,9 +1200,9 @@ 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,
+ char sign, const char *line, int len,
unsigned ws_rule, int blank_at_eof)
{
const char *ws = NULL;
@@ -1201,18 +1214,15 @@ 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 +1246,7 @@ 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 +1284,9 @@ 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,
+ o->output_indicators[OUTPUT_INDICATOR_CONTEXT],
+ line, len,
flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
break;
case DIFF_SYMBOL_PLUS:
@@ -1317,7 +1329,9 @@ 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,
+ o->output_indicators[OUTPUT_INDICATOR_NEW],
+ line, len,
flags & DIFF_SYMBOL_CONTENT_WS_MASK,
flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
break;
@@ -1360,7 +1374,9 @@ 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,
+ o->output_indicators[OUTPUT_INDICATOR_OLD],
+ line, len,
flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
break;
case DIFF_SYMBOL_WORDS_PORCELAIN:
@@ -2933,16 +2949,11 @@ 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
@@ -2989,7 +3000,7 @@ 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.
*/
@@ -3404,7 +3415,7 @@ static void builtin_diff(const char *name_a,
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,
@@ -3569,7 +3580,7 @@ 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)) {
data->is_binary = 1;
@@ -3765,7 +3776,7 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in
* 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;
/*
@@ -4170,7 +4181,7 @@ 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;
@@ -4375,6 +4386,9 @@ void diff_setup(struct diff_options *options)
options->file = stdout;
+ 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;
@@ -4852,6 +4866,12 @@ 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") ||
@@ -5323,7 +5343,7 @@ 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 +5477,7 @@ 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 ||
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-21 23:04:30 +0000