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Diffstat (limited to 'diff.c')
-rw-r--r--diff.c820
1 files changed, 577 insertions, 243 deletions
diff --git a/diff.c b/diff.c
index 136d44b455..8647db3d30 100644
--- a/diff.c
+++ b/diff.c
@@ -13,6 +13,7 @@
#include "attr.h"
#include "run-command.h"
#include "utf8.h"
+#include "object-store.h"
#include "userdiff.h"
#include "submodule-config.h"
#include "submodule.h"
@@ -22,6 +23,7 @@
#include "argv-array.h"
#include "graph.h"
#include "packfile.h"
+#include "help.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
@@ -35,6 +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;
@@ -67,6 +70,37 @@ 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[] = {
+ [DIFF_CONTEXT] = "context",
+ [DIFF_METAINFO] = "meta",
+ [DIFF_FRAGINFO] = "frag",
+ [DIFF_FILE_OLD] = "old",
+ [DIFF_FILE_NEW] = "new",
+ [DIFF_COMMIT] = "commit",
+ [DIFF_WHITESPACE] = "whitespace",
+ [DIFF_FUNCINFO] = "func",
+ [DIFF_FILE_OLD_MOVED] = "oldMoved",
+ [DIFF_FILE_OLD_MOVED_ALT] = "oldMovedAlternative",
+ [DIFF_FILE_OLD_MOVED_DIM] = "oldMovedDimmed",
+ [DIFF_FILE_OLD_MOVED_ALT_DIM] = "oldMovedAlternativeDimmed",
+ [DIFF_FILE_NEW_MOVED] = "newMoved",
+ [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)
@@ -74,41 +108,13 @@ static NORETURN void die_want_option(const char *option_name)
die(_("option '%s' requires a value"), option_name);
}
+define_list_config_array_extra(color_diff_slots, {"plain"});
+
static int parse_diff_color_slot(const char *var)
{
- if (!strcasecmp(var, "context") || !strcasecmp(var, "plain"))
+ if (!strcasecmp(var, "plain"))
return DIFF_CONTEXT;
- if (!strcasecmp(var, "meta"))
- return DIFF_METAINFO;
- if (!strcasecmp(var, "frag"))
- return DIFF_FRAGINFO;
- if (!strcasecmp(var, "old"))
- return DIFF_FILE_OLD;
- if (!strcasecmp(var, "new"))
- return DIFF_FILE_NEW;
- if (!strcasecmp(var, "commit"))
- return DIFF_COMMIT;
- if (!strcasecmp(var, "whitespace"))
- return DIFF_WHITESPACE;
- if (!strcasecmp(var, "func"))
- return DIFF_FUNCINFO;
- if (!strcasecmp(var, "oldmoved"))
- return DIFF_FILE_OLD_MOVED;
- if (!strcasecmp(var, "oldmovedalternative"))
- return DIFF_FILE_OLD_MOVED_ALT;
- if (!strcasecmp(var, "oldmoveddimmed"))
- return DIFF_FILE_OLD_MOVED_DIM;
- if (!strcasecmp(var, "oldmovedalternativedimmed"))
- return DIFF_FILE_OLD_MOVED_ALT_DIM;
- if (!strcasecmp(var, "newmoved"))
- return DIFF_FILE_NEW_MOVED;
- if (!strcasecmp(var, "newmovedalternative"))
- return DIFF_FILE_NEW_MOVED_ALT;
- if (!strcasecmp(var, "newmoveddimmed"))
- return DIFF_FILE_NEW_MOVED_DIM;
- if (!strcasecmp(var, "newmovedalternativedimmed"))
- return DIFF_FILE_NEW_MOVED_ALT_DIM;
- return -1;
+ return LOOKUP_CONFIG(color_diff_slots, var);
}
static int parse_dirstat_params(struct diff_options *options, const char *params_string,
@@ -271,14 +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)
@@ -294,6 +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)
@@ -501,14 +554,15 @@ 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;
@@ -517,11 +571,12 @@ 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;
}
@@ -570,37 +625,55 @@ 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_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;
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 (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 (!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)
@@ -610,7 +683,7 @@ 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, NULL, 0, reset, 0, line, len);
}
enum diff_symbol {
@@ -707,14 +780,126 @@ struct moved_entry {
struct moved_entry *next_line;
};
-static int moved_entry_cmp(const struct diff_options *diffopt,
- const struct moved_entry *a,
- const struct moved_entry *b,
+/**
+ * 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 }
+
+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 *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;
+
+ if (strncmp(longer->line + d, shorter->line, shorter->len))
+ return 0;
+
+ out->string = xmemdupz(longer->line, d);
+ out->current_longer = (a == longer);
+
+ 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_block *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.string)
+ /*
+ * 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 stored 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;
+ }
+
+ if (al != cl || memcmp(a, c, al))
+ 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,
@@ -722,8 +907,9 @@ 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;
@@ -762,24 +948,77 @@ static void add_lines_to_move_detection(struct diff_options *o,
}
}
-static int shrink_potential_moved_blocks(struct moved_entry **pmb,
+static void pmb_advance_or_null(struct diff_options *o,
+ struct moved_entry *match,
+ struct hashmap *hm,
+ struct moved_block *pmb,
+ int pmb_nr)
+{
+ int i;
+ for (i = 0; i < pmb_nr; 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].match = cur;
+ } else {
+ 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_block *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].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))
+ got_match[i] |= 1;
+ }
+ }
+
+ for (i = 0; i < pmb_nr; i++) {
+ if (got_match[i]) {
+ /* 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_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];
- pmb[rp] = NULL;
+ pmb[rp].match = NULL;
+ pmb[rp].wsd.string = NULL;
rp--;
lp++;
}
@@ -826,7 +1065,7 @@ 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;
@@ -836,19 +1075,18 @@ 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:
@@ -856,7 +1094,11 @@ static void mark_color_as_moved(struct diff_options *o,
}
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;
@@ -867,17 +1109,11 @@ 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);
@@ -888,7 +1124,15 @@ 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) {
+ if (compute_ws_delta(l, match->es,
+ &pmb[pmb_nr].wsd))
+ pmb[pmb_nr++].match = match;
+ } else {
+ pmb[pmb_nr].wsd.string = NULL;
+ pmb[pmb_nr++].match = match;
+ }
}
flipped_block = (flipped_block + 1) % 2;
@@ -899,11 +1143,13 @@ 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);
+ for(n = 0; n < pmb_nr; n++)
+ moved_block_clear(&pmb[n]);
free(pmb);
}
@@ -969,11 +1215,13 @@ 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, 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);
@@ -981,14 +1229,17 @@ 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, NULL, 0, reset, sign, line, len);
+ else if (!ws) {
+ 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, 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, reset, sign, "", 0);
+ 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);
}
@@ -998,7 +1249,7 @@ 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;
@@ -1011,7 +1262,7 @@ 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, NULL, 0, reset, '\\',
nneof, strlen(nneof));
break;
case DIFF_SYMBOL_SUBMODULE_HEADER:
@@ -1038,7 +1289,19 @@ 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_sign, set, reset,
+ OUTPUT_INDICATOR_CONTEXT, line, len,
flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
break;
case DIFF_SYMBOL_PLUS:
@@ -1065,7 +1328,24 @@ 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_sign, set, reset,
+ OUTPUT_INDICATOR_NEW, line, len,
flags & DIFF_SYMBOL_CONTENT_WS_MASK,
flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
break;
@@ -1093,7 +1373,23 @@ 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_sign, set, reset,
+ OUTPUT_INDICATOR_OLD, line, len,
flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
break;
case DIFF_SYMBOL_WORDS_PORCELAIN:
@@ -1284,6 +1580,7 @@ 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;
@@ -1304,6 +1601,8 @@ 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);
@@ -1428,12 +1727,12 @@ 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;
@@ -1821,23 +2120,25 @@ 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;
}
@@ -1860,9 +2161,9 @@ 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) {
@@ -1871,8 +2172,8 @@ 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) {
@@ -2663,16 +2964,11 @@ 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
@@ -2695,18 +2991,19 @@ 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);
@@ -2719,7 +3016,7 @@ 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.
*/
@@ -2980,15 +3277,16 @@ 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);
@@ -2999,9 +3297,10 @@ 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;
}
@@ -3013,12 +3312,13 @@ 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 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);
}
@@ -3068,8 +3368,8 @@ 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->index, one);
+ textconv_two = get_textconv(o->repo->index, two);
}
/* Never use a non-valid filename anywhere if at all possible */
@@ -3110,13 +3410,13 @@ 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;
}
@@ -3128,13 +3428,13 @@ 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,
@@ -3150,7 +3450,8 @@ 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 &&
@@ -3187,23 +3488,26 @@ 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));
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);
+ 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;
- 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;
@@ -3296,22 +3600,23 @@ 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);
}
@@ -3321,7 +3626,8 @@ 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));
@@ -3356,10 +3662,11 @@ 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");
/*
@@ -3368,7 +3675,7 @@ 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.. */
@@ -3441,7 +3748,10 @@ 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;
@@ -3460,7 +3770,7 @@ 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
@@ -3479,20 +3789,20 @@ 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;
/*
@@ -3506,7 +3816,7 @@ 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;
@@ -3539,7 +3849,9 @@ 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;
@@ -3566,7 +3878,7 @@ 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;
@@ -3599,7 +3911,7 @@ 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;
/*
@@ -3626,7 +3938,7 @@ 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;
@@ -3638,8 +3950,7 @@ 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));
@@ -3677,7 +3988,8 @@ 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,
@@ -3695,7 +4007,7 @@ 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(istate, path,
(const char *)blob, (size_t)size, &buf)) {
blob = buf.buf;
size = buf.len;
@@ -3711,8 +4023,9 @@ 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();
@@ -3729,7 +4042,7 @@ 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)
@@ -3740,7 +4053,7 @@ 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 ?
@@ -3765,19 +4078,21 @@ 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);
@@ -3806,11 +4121,11 @@ 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);
}
@@ -3840,7 +4155,7 @@ 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';
@@ -3897,14 +4212,16 @@ 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,
@@ -3932,7 +4249,9 @@ 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;
}
@@ -3961,7 +4280,7 @@ 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) {
@@ -3972,7 +4291,7 @@ 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);
}
}
@@ -3983,12 +4302,12 @@ static void diff_fill_oid_info(struct diff_filespec *one)
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;
@@ -4020,8 +4339,8 @@ 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) &&
@@ -4032,7 +4351,8 @@ 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);
@@ -4056,7 +4376,8 @@ 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;
}
@@ -4066,10 +4387,11 @@ 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)
@@ -4090,18 +4412,22 @@ 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;
@@ -4132,6 +4458,7 @@ 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)
@@ -4215,16 +4542,6 @@ 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 */
@@ -4588,6 +4905,12 @@ 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") ||
@@ -4711,6 +5034,8 @@ 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;
@@ -4955,7 +5280,7 @@ 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. */
@@ -4985,7 +5310,7 @@ 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, "..");
@@ -5057,7 +5382,7 @@ 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)
@@ -5191,7 +5516,7 @@ 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 ||
@@ -5397,8 +5722,8 @@ 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));
@@ -5430,12 +5755,12 @@ 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),
@@ -5541,18 +5866,20 @@ 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);
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++)
@@ -5736,19 +6063,21 @@ 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;
@@ -5772,10 +6101,10 @@ 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;
}
@@ -5790,7 +6119,7 @@ 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 {
/*
@@ -5832,7 +6161,8 @@ 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)
@@ -5983,7 +6313,7 @@ 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;
@@ -6005,8 +6335,10 @@ 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];
@@ -6015,7 +6347,7 @@ 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;
@@ -6042,7 +6374,8 @@ 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)
{
@@ -6053,7 +6386,7 @@ 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;
@@ -6070,7 +6403,7 @@ 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");
@@ -6090,7 +6423,8 @@ 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,
@@ -6102,13 +6436,13 @@ 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->index, 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;
}