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;
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;
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);
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;
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;
}
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)
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 {
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}
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)
+{
+ memset(b, 0, sizeof(*b));
+}
+
+#define INDENT_BLANKLINE INT_MIN
+
+static void fill_es_indent_data(struct emitted_diff_symbol *es)
{
- 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;
+ 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;
+ }
+}
- out->string = xmemdupz(longer->line, d);
- out->current_longer = (a == longer);
+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;
+ }
- return !strncmp(longer->line + d, shorter->line, shorter->len);
+ 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,
ret->ent.hash = xdiff_hash_string(l->line, l->len, flags);
ret->es = l;
ret->next_line = NULL;
- ret->wsd = NULL;
return ret;
}
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;
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;
+ memset(&pmb[rp], 0, sizeof(pmb[rp]));
rp--;
lp++;
}
* 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++) {
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 */
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++) {
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:
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)
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);
}
}
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);
}
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,
+ 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,
+ 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,
+ OUTPUT_INDICATOR_OLD, line, len,
flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
break;
case DIFF_SYMBOL_WORDS_PORCELAIN:
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);
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)
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 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);
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);
}
}
-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.
*/
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;
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");
}
}
}
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);
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 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,
}
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 */
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,
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;
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;
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);
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)) {
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);
}
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)
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);
* 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);
}
}
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
{
/* Strip the prefix but do not molest /dev/null and absolute paths */
- if (*namep && **namep != '/') {
+ if (*namep && !is_absolute_path(*namep)) {
*namep += prefix_length;
if (**namep == '/')
++*namep;
}
- if (*otherp && **otherp != '/') {
+ if (*otherp && !is_absolute_path(*otherp)) {
*otherp += prefix_length;
if (**otherp == '/')
++*otherp;
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;
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;
}
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") ||
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;
* 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 ||
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);
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));
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);
}
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, df);
if (!textconv) {
free_filespec(df);
return 0;