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-rw-r--r--diff.c121
1 files changed, 92 insertions, 29 deletions
diff --git a/diff.c b/diff.c
index 0746d59fe6..145cfbae59 100644
--- a/diff.c
+++ b/diff.c
@@ -70,6 +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[] = {
@@ -89,6 +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)
@@ -611,14 +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');
@@ -636,8 +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);
@@ -651,7 +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 {
@@ -1170,7 +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;
@@ -1181,14 +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);
}
@@ -1198,7 +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;
@@ -1211,7 +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:
@@ -1238,7 +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:
@@ -1265,7 +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;
@@ -1293,7 +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:
@@ -1484,6 +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;
@@ -1504,6 +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);
@@ -2071,8 +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) {
@@ -3397,13 +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;
@@ -3895,7 +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;
@@ -4416,16 +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 */