}
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)
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 {
struct hashmap_entry ent;
const struct emitted_diff_symbol *es;
struct moved_entry *next_line;
- struct ws_delta *wsd;
};
/**
};
#define WS_DELTA_INIT { NULL, 0 }
+struct moved_block {
+ struct moved_entry *match;
+ struct ws_delta wsd;
+};
+
+static void moved_block_clear(struct moved_block *b)
+{
+ FREE_AND_NULL(b->wsd.string);
+ b->match = NULL;
+}
+
static int compute_ws_delta(const struct emitted_diff_symbol *a,
const struct emitted_diff_symbol *b,
struct ws_delta *out)
const struct emitted_diff_symbol *shorter = a->len > b->len ? b : a;
int d = longer->len - shorter->len;
+ if (strncmp(longer->line + d, shorter->line, shorter->len))
+ return 0;
+
out->string = xmemdupz(longer->line, d);
out->current_longer = (a == longer);
- return !strncmp(longer->line + d, shorter->line, shorter->len);
+ 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];
if (strcmp(a, b))
return 1;
- if (!pmb->wsd)
+ if (!pmb->wsd.string)
/*
- * No white space delta was carried forward? This can happen
- * when we exit early in this function and do not carry
- * forward ws.
+ * The white space delta is not active? This can happen
+ * when we exit early in this function.
*/
return 1;
/*
- * The indent changes of the block are known and carried forward in
+ * 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 are still the same as before.
*
* one of them for the white spaces, depending which was longer.
*/
- wslen = strlen(pmb->wsd->string);
- if (pmb->wsd->current_longer) {
+ wslen = strlen(pmb->wsd.string);
+ if (pmb->wsd.current_longer) {
c += wslen;
cl -= wslen;
} else {
al -= wslen;
}
- if (strcmp(a, c))
+ if (al != cl || memcmp(a, c, al))
return 1;
return 0;
ret->ent.hash = xdiff_hash_string(l->line, l->len, flags);
ret->es = l;
ret->next_line = NULL;
- ret->wsd = NULL;
return ret;
}
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;
}
}
}
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;
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;
+ pmb[rp].match = NULL;
+ pmb[rp].wsd.string = NULL;
rp--;
lp++;
}
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;
}
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;
continue;
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.string = NULL;
+ pmb[pmb_nr++].match = match;
}
}
}
adjust_last_block(o, n, block_length);
+ for(n = 0; n < pmb_nr; n++)
+ moved_block_clear(&pmb[n]);
free(pmb);
}
}
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;
}
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);
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:
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:
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;
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:
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;
}
}
-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;
}
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) {
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
* 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.
*/
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 {
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;
}
options->b_prefix = b;
}
-struct userdiff_driver *get_textconv(struct diff_filespec *one)
+struct userdiff_driver *get_textconv(struct index_state *istate,
+ struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return NULL;
- diff_filespec_load_driver(one);
+ diff_filespec_load_driver(one, istate);
return userdiff_get_textconv(one->driver);
}
}
if (o->flags.allow_textconv) {
- textconv_one = get_textconv(one);
- textconv_two = get_textconv(two);
+ textconv_one = get_textconv(o->repo->index, one);
+ textconv_two = get_textconv(o->repo->index, two);
}
/* Never use a non-valid filename anywhere if at all possible */
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,
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));
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;
return;
}
- same_contents = !oidcmp(&one->oid, &two->oid);
+ same_contents = oideq(&one->oid, &two->oid);
if (diff_filespec_is_binary(o->repo, one) ||
diff_filespec_is_binary(o->repo, two)) {
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(o->repo, &mf1, one) < 0 ||
fill_mmfile(o->repo, &mf2, two) < 0)
* 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;
/*
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.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;
}
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) {
}
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);
}
}
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) &&
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);
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->index = &the_index;
+ 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;
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") ||
* 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)
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 ||
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));
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++)
df = alloc_filespec(path);
fill_filespec(df, oid, oid_valid, mode);
- textconv = get_textconv(df);
+ textconv = get_textconv(r->index, df);
if (!textconv) {
free_filespec(df);
return 0;