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-rw-r--r--diff.c391
1 files changed, 333 insertions, 58 deletions
diff --git a/diff.c b/diff.c
index dc53a19bab..145cfbae59 100644
--- a/diff.c
+++ b/diff.c
@@ -37,6 +37,7 @@ static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
static int diff_color_moved_default;
+static int diff_color_moved_ws_default;
static int diff_context_default = 3;
static int diff_interhunk_context_default;
static const char *diff_word_regex_cfg;
@@ -69,6 +70,12 @@ static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_BOLD_YELLOW, /* NEW_MOVED ALTERNATIVE */
GIT_COLOR_FAINT, /* NEW_MOVED_DIM */
GIT_COLOR_FAINT_ITALIC, /* NEW_MOVED_ALTERNATIVE_DIM */
+ GIT_COLOR_FAINT, /* CONTEXT_DIM */
+ GIT_COLOR_FAINT_RED, /* OLD_DIM */
+ GIT_COLOR_FAINT_GREEN, /* NEW_DIM */
+ GIT_COLOR_BOLD, /* CONTEXT_BOLD */
+ GIT_COLOR_BOLD_RED, /* OLD_BOLD */
+ GIT_COLOR_BOLD_GREEN, /* NEW_BOLD */
};
static const char *color_diff_slots[] = {
@@ -88,6 +95,12 @@ static const char *color_diff_slots[] = {
[DIFF_FILE_NEW_MOVED_ALT] = "newMovedAlternative",
[DIFF_FILE_NEW_MOVED_DIM] = "newMovedDimmed",
[DIFF_FILE_NEW_MOVED_ALT_DIM] = "newMovedAlternativeDimmed",
+ [DIFF_CONTEXT_DIM] = "contextDimmed",
+ [DIFF_FILE_OLD_DIM] = "oldDimmed",
+ [DIFF_FILE_NEW_DIM] = "newDimmed",
+ [DIFF_CONTEXT_BOLD] = "contextBold",
+ [DIFF_FILE_OLD_BOLD] = "oldBold",
+ [DIFF_FILE_NEW_BOLD] = "newBold",
};
static NORETURN void die_want_option(const char *option_name)
@@ -264,14 +277,54 @@ static int parse_color_moved(const char *arg)
return COLOR_MOVED_NO;
else if (!strcmp(arg, "plain"))
return COLOR_MOVED_PLAIN;
+ else if (!strcmp(arg, "blocks"))
+ return COLOR_MOVED_BLOCKS;
else if (!strcmp(arg, "zebra"))
return COLOR_MOVED_ZEBRA;
else if (!strcmp(arg, "default"))
return COLOR_MOVED_DEFAULT;
+ else if (!strcmp(arg, "dimmed-zebra"))
+ return COLOR_MOVED_ZEBRA_DIM;
else if (!strcmp(arg, "dimmed_zebra"))
return COLOR_MOVED_ZEBRA_DIM;
else
- return error(_("color moved setting must be one of 'no', 'default', 'zebra', 'dimmed_zebra', 'plain'"));
+ 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)
+{
+ int ret = 0;
+ struct string_list l = STRING_LIST_INIT_DUP;
+ struct string_list_item *i;
+
+ string_list_split(&l, arg, ',', -1);
+
+ for_each_string_list_item(i, &l) {
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, i->string);
+ strbuf_trim(&sb);
+
+ 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;
+ else if (!strcmp(sb.buf, "ignore-all-space"))
+ 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);
+
+ 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"));
+
+ string_list_clear(&l, 0);
+
+ return ret;
}
int git_diff_ui_config(const char *var, const char *value, void *cb)
@@ -287,6 +340,13 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_color_moved_default = cm;
return 0;
}
+ if (!strcmp(var, "diff.colormovedws")) {
+ int cm = parse_color_moved_ws(value);
+ if (cm < 0)
+ return -1;
+ diff_color_moved_ws_default = cm;
+ return 0;
+ }
if (!strcmp(var, "diff.context")) {
diff_context_default = git_config_int(var, value);
if (diff_context_default < 0)
@@ -563,14 +623,18 @@ static void check_blank_at_eof(mmfile_t *mf1, mmfile_t *mf2,
ecbdata->blank_at_eof_in_postimage = (at - l2) + 1;
}
-static void emit_line_0(struct diff_options *o, const char *set, const char *reset,
+static void emit_line_0(struct diff_options *o,
+ 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;
FILE *file = o->file;
- fputs(diff_line_prefix(o), file);
+ if (first)
+ fputs(diff_line_prefix(o), file);
+ else if (!len)
+ return;
if (len == 0) {
has_trailing_newline = (first == '\n');
@@ -588,8 +652,10 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
}
if (len || !nofirst) {
+ if (reverse && want_color(o->use_color))
+ fputs(GIT_COLOR_REVERSE, file);
fputs(set, file);
- if (!nofirst)
+ if (first && !nofirst)
fputc(first, file);
fwrite(line, len, 1, file);
fputs(reset, file);
@@ -603,7 +669,7 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
static void emit_line(struct diff_options *o, const char *set, const char *reset,
const char *line, int len)
{
- emit_line_0(o, set, reset, line[0], line+1, len-1);
+ emit_line_0(o, set, 0, reset, line[0], line+1, len-1);
}
enum diff_symbol {
@@ -698,16 +764,116 @@ 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;
};
+#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)
+{
+ 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;
+
+ out->string = xmemdupz(longer->line, d);
+ out->current_longer = (a == longer);
+
+ return !strncmp(longer->line + d, shorter->line, shorter->len);
+}
+
+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,
+ int n)
+{
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ int al = cur->es->len, cl = l->len;
+ const char *a = cur->es->line,
+ *b = match->es->line,
+ *c = l->line;
+
+ int wslen;
+
+ /*
+ * 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.
+ */
+ if (strcmp(a, b))
+ 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;
+
+ /*
+ * 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.
+ */
+
+ wslen = strlen(pmb->wsd->string);
+ if (pmb->wsd->current_longer) {
+ c += wslen;
+ cl -= wslen;
+ } else {
+ a += wslen;
+ al -= wslen;
+ }
-static int moved_entry_cmp(const struct diff_options *diffopt,
- const struct moved_entry *a,
- const struct moved_entry *b,
+ if (strcmp(a, c))
+ return 1;
+
+ return 0;
+}
+
+static int moved_entry_cmp(const void *hashmap_cmp_fn_data,
+ const void *entry,
+ const void *entry_or_key,
const void *keydata)
{
+ const struct diff_options *diffopt = hashmap_cmp_fn_data;
+ const struct moved_entry *a = entry;
+ const struct moved_entry *b = entry_or_key;
+ unsigned flags = diffopt->color_moved_ws_handling
+ & XDF_WHITESPACE_FLAGS;
+
+ if (diffopt->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ /*
+ * As there is not specific white space config given,
+ * we'd need to check for a new block, so ignore all
+ * white space. The setup of the white space
+ * configuration for the next block is done else where
+ */
+ flags |= XDF_IGNORE_WHITESPACE;
+
return !xdiff_compare_lines(a->es->line, a->es->len,
b->es->line, b->es->len,
- diffopt->xdl_opts);
+ flags);
}
static struct moved_entry *prepare_entry(struct diff_options *o,
@@ -715,10 +881,12 @@ static struct moved_entry *prepare_entry(struct diff_options *o,
{
struct moved_entry *ret = xmalloc(sizeof(*ret));
struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no];
+ unsigned flags = o->color_moved_ws_handling & XDF_WHITESPACE_FLAGS;
- ret->ent.hash = xdiff_hash_string(l->line, l->len, o->xdl_opts);
+ ret->ent.hash = xdiff_hash_string(l->line, l->len, flags);
ret->es = l;
ret->next_line = NULL;
+ ret->wsd = NULL;
return ret;
}
@@ -755,6 +923,56 @@ 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,
+ int pmb_nr)
+{
+ int i;
+ for (i = 0; i < pmb_nr; i++) {
+ struct moved_entry *prev = pmb[i];
+ struct moved_entry *cur = (prev && prev->next_line) ?
+ prev->next_line : NULL;
+ if (cur && !hm->cmpfn(o, cur, match, NULL)) {
+ pmb[i] = cur;
+ } else {
+ pmb[i] = NULL;
+ }
+ }
+}
+
+static void pmb_advance_or_null_multi_match(struct diff_options *o,
+ struct moved_entry *match,
+ struct hashmap *hm,
+ struct moved_entry **pmb,
+ int pmb_nr, int n)
+{
+ int i;
+ char *got_match = xcalloc(1, pmb_nr);
+
+ for (; match; match = hashmap_get_next(hm, match)) {
+ for (i = 0; i < pmb_nr; i++) {
+ struct moved_entry *prev = pmb[i];
+ 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))
+ 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;
+ }
+}
+
static int shrink_potential_moved_blocks(struct moved_entry **pmb,
int pmb_nr)
{
@@ -772,6 +990,10 @@ 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++;
@@ -829,19 +1051,18 @@ 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];
- int i;
switch (l->s) {
case DIFF_SYMBOL_PLUS:
hm = del_lines;
key = prepare_entry(o, n);
- match = hashmap_get(hm, key, o);
+ match = hashmap_get(hm, key, NULL);
free(key);
break;
case DIFF_SYMBOL_MINUS:
hm = add_lines;
key = prepare_entry(o, n);
- match = hashmap_get(hm, key, o);
+ match = hashmap_get(hm, key, NULL);
free(key);
break;
default:
@@ -860,17 +1081,11 @@ static void mark_color_as_moved(struct diff_options *o,
if (o->color_moved == COLOR_MOVED_PLAIN)
continue;
- /* Check any potential block runs, advance each or nullify */
- for (i = 0; i < pmb_nr; i++) {
- struct moved_entry *p = pmb[i];
- struct moved_entry *pnext = (p && p->next_line) ?
- p->next_line : NULL;
- if (pnext && !hm->cmpfn(o, pnext, match, NULL)) {
- pmb[i] = p->next_line;
- } else {
- pmb[i] = NULL;
- }
- }
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ pmb_advance_or_null_multi_match(o, match, hm, pmb, pmb_nr, n);
+ else
+ pmb_advance_or_null(o, match, hm, pmb, pmb_nr);
pmb_nr = shrink_potential_moved_blocks(pmb, pmb_nr);
@@ -881,7 +1096,17 @@ static void mark_color_as_moved(struct diff_options *o,
*/
for (; match; match = hashmap_get_next(hm, match)) {
ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
- pmb[pmb_nr++] = match;
+ 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);
+ } else {
+ pmb[pmb_nr++] = match;
+ }
}
flipped_block = (flipped_block + 1) % 2;
@@ -892,7 +1117,7 @@ static void mark_color_as_moved(struct diff_options *o,
block_length++;
- if (flipped_block)
+ if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS)
l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT;
}
adjust_last_block(o, n, block_length);
@@ -963,7 +1188,8 @@ 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, char sign,
+ const char *line, int len,
+ const char *set_sign, char sign,
unsigned ws_rule, int blank_at_eof)
{
const char *ws = NULL;
@@ -974,14 +1200,20 @@ static void emit_line_ws_markup(struct diff_options *o,
ws = NULL;
}
- if (!ws)
- emit_line_0(o, set, reset, sign, line, len);
- else if (blank_at_eof)
+ if (!ws && !set_sign)
+ emit_line_0(o, set, 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);
+ } else if (blank_at_eof)
/* Blank line at EOF - paint '+' as well */
- emit_line_0(o, ws, reset, sign, line, len);
+ emit_line_0(o, ws, 0, reset, sign, line, len);
else {
/* Emit just the prefix, then the rest. */
- emit_line_0(o, set, reset, sign, "", 0);
+ emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset,
+ sign, "", 0);
ws_check_emit(line, len, ws_rule,
o->file, set, reset, ws);
}
@@ -991,7 +1223,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
struct emitted_diff_symbol *eds)
{
static const char *nneof = " No newline at end of file\n";
- const char *context, *reset, *set, *meta, *fraginfo;
+ const char *context, *reset, *set, *set_sign, *meta, *fraginfo;
struct strbuf sb = STRBUF_INIT;
enum diff_symbol s = eds->s;
@@ -1004,7 +1236,7 @@ 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, reset, '\\',
+ emit_line_0(o, context, 0, reset, '\\',
nneof, strlen(nneof));
break;
case DIFF_SYMBOL_SUBMODULE_HEADER:
@@ -1031,7 +1263,18 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
case DIFF_SYMBOL_CONTEXT:
set = diff_get_color_opt(o, DIFF_CONTEXT);
reset = diff_get_color_opt(o, DIFF_RESET);
- emit_line_ws_markup(o, set, reset, line, len, ' ',
+ set_sign = NULL;
+ if (o->flags.dual_color_diffed_diffs) {
+ char c = !len ? 0 : line[0];
+
+ if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ }
+ emit_line_ws_markup(o, set, reset, line, len, set_sign, ' ',
flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
break;
case DIFF_SYMBOL_PLUS:
@@ -1058,7 +1301,23 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
set = diff_get_color_opt(o, DIFF_FILE_NEW);
}
reset = diff_get_color_opt(o, DIFF_RESET);
- emit_line_ws_markup(o, set, reset, line, len, '+',
+ if (!o->flags.dual_color_diffed_diffs)
+ set_sign = NULL;
+ else {
+ char c = !len ? 0 : line[0];
+
+ set_sign = set;
+ if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_BOLD);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_BOLD);
+ else
+ 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, '+',
flags & DIFF_SYMBOL_CONTENT_WS_MASK,
flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
break;
@@ -1086,7 +1345,22 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
set = diff_get_color_opt(o, DIFF_FILE_OLD);
}
reset = diff_get_color_opt(o, DIFF_RESET);
- emit_line_ws_markup(o, set, reset, line, len, '-',
+ if (!o->flags.dual_color_diffed_diffs)
+ set_sign = NULL;
+ else {
+ char c = !len ? 0 : line[0];
+
+ set_sign = set;
+ if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_DIM);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_DIM);
+ else
+ set = diff_get_color_opt(o, DIFF_CONTEXT_DIM);
+ }
+ emit_line_ws_markup(o, set, reset, line, len, set_sign, '-',
flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
break;
case DIFF_SYMBOL_WORDS_PORCELAIN:
@@ -1277,6 +1551,7 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
const char *frag = diff_get_color(ecbdata->color_diff, DIFF_FRAGINFO);
const char *func = diff_get_color(ecbdata->color_diff, DIFF_FUNCINFO);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
+ const char *reverse = ecbdata->color_diff ? GIT_COLOR_REVERSE : "";
static const char atat[2] = { '@', '@' };
const char *cp, *ep;
struct strbuf msgbuf = STRBUF_INIT;
@@ -1297,6 +1572,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
ep += 2; /* skip over @@ */
/* The hunk header in fraginfo color */
+ if (ecbdata->opt->flags.dual_color_diffed_diffs)
+ strbuf_addstr(&msgbuf, reverse);
strbuf_addstr(&msgbuf, frag);
strbuf_add(&msgbuf, line, ep - line);
strbuf_addstr(&msgbuf, reset);
@@ -1864,8 +2141,8 @@ static void init_diff_words_data(struct emit_callback *ecbdata,
if (regcomp(ecbdata->diff_words->word_regex,
o->word_regex,
REG_EXTENDED | REG_NEWLINE))
- die ("Invalid regular expression: %s",
- o->word_regex);
+ die("invalid regular expression: %s",
+ o->word_regex);
}
for (i = 0; i < ARRAY_SIZE(diff_words_styles); i++) {
if (o->word_diff == diff_words_styles[i].type) {
@@ -3190,13 +3467,16 @@ static void builtin_diff(const char *name_a,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
memset(&ecbdata, 0, sizeof(ecbdata));
+ if (o->flags.suppress_diff_headers)
+ lbl[0] = NULL;
ecbdata.label_path = lbl;
ecbdata.color_diff = want_color(o->use_color);
ecbdata.ws_rule = whitespace_rule(name_b);
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);
ecbdata.opt = o;
- ecbdata.header = header.len ? &header : NULL;
+ if (header.len && !o->flags.suppress_diff_headers)
+ ecbdata.header = &header;
xpp.flags = o->xdl_opts;
xpp.anchors = o->anchors;
xpp.anchors_nr = o->anchors_nr;
@@ -3688,7 +3968,7 @@ 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(path,
+ if (convert_to_working_tree(&the_index, path,
(const char *)blob, (size_t)size, &buf)) {
blob = buf.buf;
size = buf.len;
@@ -3833,7 +4113,7 @@ static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
char *hex = oid_to_hex(oid);
if (abbrev < 0)
abbrev = FALLBACK_DEFAULT_ABBREV;
- if (abbrev > GIT_SHA1_HEXSZ)
+ if (abbrev > the_hash_algo->hexsz)
BUG("oid abbreviation out of range: %d", abbrev);
if (abbrev)
hex[abbrev] = '\0';
@@ -4125,6 +4405,7 @@ void diff_setup(struct diff_options *options)
}
options->color_moved = diff_color_moved_default;
+ options->color_moved_ws_handling = diff_color_moved_ws_default;
}
void diff_setup_done(struct diff_options *options)
@@ -4208,16 +4489,6 @@ void diff_setup_done(struct diff_options *options)
if (options->detect_rename && options->rename_limit < 0)
options->rename_limit = diff_rename_limit_default;
- if (options->setup & DIFF_SETUP_USE_CACHE) {
- if (!active_cache)
- /* read-cache does not die even when it fails
- * so it is safe for us to do this here. Also
- * it does not smudge active_cache or active_nr
- * when it fails, so we do not have to worry about
- * cleaning it up ourselves either.
- */
- read_cache();
- }
if (hexsz < options->abbrev)
options->abbrev = hexsz; /* full */
@@ -4704,6 +4975,8 @@ int diff_opt_parse(struct diff_options *options,
if (cm < 0)
die("bad --color-moved argument: %s", arg);
options->color_moved = cm;
+ } else if (skip_prefix(arg, "--color-moved-ws=", &arg)) {
+ options->color_moved_ws_handling = parse_color_moved_ws(arg);
} else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
@@ -4948,7 +5221,7 @@ const char *diff_aligned_abbrev(const struct object_id *oid, int len)
const char *abbrev;
/* Do we want all 40 hex characters? */
- if (len == GIT_SHA1_HEXSZ)
+ if (len == the_hash_algo->hexsz)
return oid_to_hex(oid);
/* An abbreviated value is fine, possibly followed by an ellipsis. */
@@ -4978,7 +5251,7 @@ const char *diff_aligned_abbrev(const struct object_id *oid, int len)
* the automatic sizing is supposed to give abblen that ensures
* uniqueness across all objects (statistically speaking).
*/
- if (abblen < GIT_SHA1_HEXSZ - 3) {
+ if (abblen < the_hash_algo->hexsz - 3) {
static char hex[GIT_MAX_HEXSZ + 1];
if (len < abblen && abblen <= len + 2)
xsnprintf(hex, sizeof(hex), "%s%.*s", abbrev, len+3-abblen, "..");
@@ -5534,10 +5807,12 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o)
if (o->color_moved) {
struct hashmap add_lines, del_lines;
- hashmap_init(&del_lines,
- (hashmap_cmp_fn)moved_entry_cmp, o, 0);
- hashmap_init(&add_lines,
- (hashmap_cmp_fn)moved_entry_cmp, o, 0);
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ o->color_moved_ws_handling |= XDF_IGNORE_WHITESPACE;
+
+ hashmap_init(&del_lines, moved_entry_cmp, o, 0);
+ hashmap_init(&add_lines, moved_entry_cmp, o, 0);
add_lines_to_move_detection(o, &add_lines, &del_lines);
mark_color_as_moved(o, &add_lines, &del_lines);