* to define a customized regexp to find the beginning of a function to
* be used for hunk header lines of "diff -p" style output.
*/
-static struct funcname_pattern {
+struct funcname_pattern_entry {
char *name;
char *pattern;
- struct funcname_pattern *next;
+ int cflags;
+};
+static struct funcname_pattern_list {
+ struct funcname_pattern_list *next;
+ struct funcname_pattern_entry e;
} *funcname_pattern_list;
-static int parse_funcname_pattern(const char *var, const char *ep, const char *value)
+static int parse_funcname_pattern(const char *var, const char *ep, const char *value, int cflags)
{
const char *name;
int namelen;
- struct funcname_pattern *pp;
+ struct funcname_pattern_list *pp;
name = var + 5; /* "diff." */
namelen = ep - name;
for (pp = funcname_pattern_list; pp; pp = pp->next)
- if (!strncmp(pp->name, name, namelen) && !pp->name[namelen])
+ if (!strncmp(pp->e.name, name, namelen) && !pp->e.name[namelen])
break;
if (!pp) {
pp = xcalloc(1, sizeof(*pp));
- pp->name = xmemdupz(name, namelen);
+ pp->e.name = xmemdupz(name, namelen);
pp->next = funcname_pattern_list;
funcname_pattern_list = pp;
}
- free(pp->pattern);
- pp->pattern = xstrdup(value);
+ free(pp->e.pattern);
+ pp->e.pattern = xstrdup(value);
+ pp->e.cflags = cflags;
return 0;
}
*/
int git_diff_ui_config(const char *var, const char *value, void *cb)
{
- if (!strcmp(var, "diff.renamelimit")) {
- diff_rename_limit_default = git_config_int(var, value);
- return 0;
- }
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
diff_use_color_default = git_config_colorbool(var, value, -1);
return 0;
int git_diff_basic_config(const char *var, const char *value, void *cb)
{
+ if (!strcmp(var, "diff.renamelimit")) {
+ diff_rename_limit_default = git_config_int(var, value);
+ return 0;
+ }
+
if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) {
int slot = parse_diff_color_slot(var, 11);
if (!value)
if (!strcmp(ep, ".funcname")) {
if (!value)
return config_error_nonbool(var);
- return parse_funcname_pattern(var, ep, value);
+ return parse_funcname_pattern(var, ep, value,
+ 0);
+ } else if (!strcmp(ep, ".xfuncname")) {
+ if (!value)
+ return config_error_nonbool(var);
+ return parse_funcname_pattern(var, ep, value,
+ REG_EXTENDED);
}
}
}
static void emit_line(FILE *file, const char *set, const char *reset, const char *line, int len)
{
- int has_trailing_newline = (len > 0 && line[len-1] == '\n');
+ int has_trailing_newline, has_trailing_carriage_return;
+
+ 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--;
fputs(set, file);
fwrite(line, len, 1, file);
fputs(reset, file);
+ if (has_trailing_carriage_return)
+ fputc('\r', file);
if (has_trailing_newline)
fputc('\n', file);
}
return this_dir;
}
+static int dirstat_compare(const void *_a, const void *_b)
+{
+ const struct dirstat_file *a = _a;
+ const struct dirstat_file *b = _b;
+ return strcmp(a->name, b->name);
+}
+
static void show_dirstat(struct diff_options *options)
{
int i;
dir.alloc = 0;
dir.nr = 0;
dir.percent = options->dirstat_percent;
- dir.cumulative = options->output_format & DIFF_FORMAT_CUMULATIVE;
+ dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);
changed = 0;
for (i = 0; i < q->nr; i++) {
return;
/* Show all directories with more than x% of the changes */
+ qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare);
gather_dirstat(options->file, &dir, changed, "", 0);
}
return one->is_binary;
}
-static const char *funcname_pattern(const char *ident)
+static const struct funcname_pattern_entry *funcname_pattern(const char *ident)
{
- struct funcname_pattern *pp;
+ struct funcname_pattern_list *pp;
for (pp = funcname_pattern_list; pp; pp = pp->next)
- if (!strcmp(ident, pp->name))
- return pp->pattern;
+ if (!strcmp(ident, pp->e.name))
+ return &pp->e;
return NULL;
}
-static struct builtin_funcname_pattern {
- const char *name;
- const char *pattern;
-} builtin_funcname_pattern[] = {
- { "java", "!^[ ]*\\(catch\\|do\\|for\\|if\\|instanceof\\|"
- "new\\|return\\|switch\\|throw\\|while\\)\n"
- "^[ ]*\\(\\([ ]*"
- "[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}"
- "[ ]*([^;]*\\)$" },
- { "tex", "^\\(\\\\\\(sub\\)*section{.*\\)$" },
+static const struct funcname_pattern_entry builtin_funcname_pattern[] = {
+ { "java",
+ "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n"
+ "^[ \t]*(([ \t]*[A-Za-z_][A-Za-z_0-9]*){2,}[ \t]*\\([^;]*)$",
+ REG_EXTENDED },
+ { "pascal",
+ "^((procedure|function|constructor|destructor|interface|"
+ "implementation|initialization|finalization)[ \t]*.*)$"
+ "|"
+ "^(.*=[ \t]*(class|record).*)$",
+ REG_EXTENDED },
+ { "bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
+ REG_EXTENDED },
+ { "tex",
+ "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
+ REG_EXTENDED },
+ { "ruby", "^[ \t]*((class|module|def)[ \t].*)$",
+ REG_EXTENDED },
};
-static const char *diff_funcname_pattern(struct diff_filespec *one)
+static const struct funcname_pattern_entry *diff_funcname_pattern(struct diff_filespec *one)
{
- const char *ident, *pattern;
+ const char *ident;
+ const struct funcname_pattern_entry *pe;
int i;
diff_filespec_check_attr(one);
return funcname_pattern("default");
/* Look up custom "funcname.$ident" regexp from config. */
- pattern = funcname_pattern(ident);
- if (pattern)
- return pattern;
+ pe = funcname_pattern(ident);
+ if (pe)
+ return pe;
/*
* And define built-in fallback patterns here. Note that
*/
for (i = 0; i < ARRAY_SIZE(builtin_funcname_pattern); i++)
if (!strcmp(ident, builtin_funcname_pattern[i].name))
- return builtin_funcname_pattern[i].pattern;
+ return &builtin_funcname_pattern[i];
return NULL;
}
const char *set = diff_get_color_opt(o, DIFF_METAINFO);
const char *reset = diff_get_color_opt(o, DIFF_RESET);
+ /* Never use a non-valid filename anywhere if at all possible */
+ name_a = DIFF_FILE_VALID(one) ? name_a : name_b;
+ name_b = DIFF_FILE_VALID(two) ? name_b : name_a;
+
a_one = quote_two(o->a_prefix, name_a + (*name_a == '/'));
b_two = quote_two(o->b_prefix, name_b + (*name_b == '/'));
lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null";
xdemitconf_t xecfg;
xdemitcb_t ecb;
struct emit_callback ecbdata;
- const char *funcname_pattern;
+ const struct funcname_pattern_entry *pe;
- funcname_pattern = diff_funcname_pattern(one);
- if (!funcname_pattern)
- funcname_pattern = diff_funcname_pattern(two);
+ pe = diff_funcname_pattern(one);
+ if (!pe)
+ pe = diff_funcname_pattern(two);
memset(&xecfg, 0, sizeof(xecfg));
memset(&ecbdata, 0, sizeof(ecbdata));
xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
xecfg.ctxlen = o->context;
xecfg.flags = XDL_EMIT_FUNCNAMES;
- if (funcname_pattern)
- xdiff_set_find_func(&xecfg, funcname_pattern);
+ if (pe)
+ xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
if (!diffopts)
;
else if (!prefixcmp(diffopts, "--unified="))
xdemitcb_t ecb;
memset(&xecfg, 0, sizeof(xecfg));
+ xecfg.ctxlen = 1; /* at least one context line */
xpp.flags = XDF_NEED_MINIMAL;
ecb.outf = xdiff_outf;
ecb.priv = &data;
xdi_diff(&mf1, &mf2, &xpp, &xecfg, &ecb);
- if (data.trailing_blanks_start) {
+ if ((data.ws_rule & WS_TRAILING_SPACE) &&
+ data.trailing_blanks_start) {
fprintf(o->file, "%s:%d: ends with blank lines.\n",
data.filename, data.trailing_blanks_start);
data.status = 1; /* report errors */
return NULL;
}
+static int similarity_index(struct diff_filepair *p)
+{
+ return p->score * 100 / MAX_SCORE;
+}
+
+static void fill_metainfo(struct strbuf *msg,
+ const char *name,
+ const char *other,
+ struct diff_filespec *one,
+ struct diff_filespec *two,
+ struct diff_options *o,
+ struct diff_filepair *p)
+{
+ strbuf_init(msg, PATH_MAX * 2 + 300);
+ switch (p->status) {
+ case DIFF_STATUS_COPIED:
+ strbuf_addf(msg, "similarity index %d%%", similarity_index(p));
+ strbuf_addstr(msg, "\ncopy from ");
+ quote_c_style(name, msg, NULL, 0);
+ strbuf_addstr(msg, "\ncopy to ");
+ quote_c_style(other, msg, NULL, 0);
+ strbuf_addch(msg, '\n');
+ break;
+ case DIFF_STATUS_RENAMED:
+ strbuf_addf(msg, "similarity index %d%%", similarity_index(p));
+ strbuf_addstr(msg, "\nrename from ");
+ quote_c_style(name, msg, NULL, 0);
+ strbuf_addstr(msg, "\nrename to ");
+ quote_c_style(other, msg, NULL, 0);
+ strbuf_addch(msg, '\n');
+ break;
+ case DIFF_STATUS_MODIFIED:
+ if (p->score) {
+ strbuf_addf(msg, "dissimilarity index %d%%\n",
+ similarity_index(p));
+ break;
+ }
+ /* fallthru */
+ default:
+ /* nothing */
+ ;
+ }
+ if (one && two && hashcmp(one->sha1, two->sha1)) {
+ int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+
+ if (DIFF_OPT_TST(o, BINARY)) {
+ mmfile_t mf;
+ if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) ||
+ (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
+ abbrev = 40;
+ }
+ strbuf_addf(msg, "index %.*s..%.*s",
+ abbrev, sha1_to_hex(one->sha1),
+ abbrev, sha1_to_hex(two->sha1));
+ if (one->mode == two->mode)
+ strbuf_addf(msg, " %06o", one->mode);
+ strbuf_addch(msg, '\n');
+ }
+ if (msg->len)
+ strbuf_setlen(msg, msg->len - 1);
+}
+
static void run_diff_cmd(const char *pgm,
const char *name,
const char *other,
const char *attr_path,
struct diff_filespec *one,
struct diff_filespec *two,
- const char *xfrm_msg,
+ struct strbuf *msg,
struct diff_options *o,
- int complete_rewrite)
+ struct diff_filepair *p)
{
+ const char *xfrm_msg = NULL;
+ int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score;
+
+ if (msg) {
+ fill_metainfo(msg, name, other, one, two, o, p);
+ xfrm_msg = msg->len ? msg->buf : NULL;
+ }
+
if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL))
pgm = NULL;
else {
hashclr(one->sha1);
}
-static int similarity_index(struct diff_filepair *p)
-{
- return p->score * 100 / MAX_SCORE;
-}
-
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 */
{
const char *pgm = external_diff();
struct strbuf msg;
- char *xfrm_msg;
struct diff_filespec *one = p->one;
struct diff_filespec *two = p->two;
const char *name;
const char *other;
const char *attr_path;
- int complete_rewrite = 0;
name = p->one->path;
other = (strcmp(name, p->two->path) ? p->two->path : NULL);
if (DIFF_PAIR_UNMERGED(p)) {
run_diff_cmd(pgm, name, NULL, attr_path,
- NULL, NULL, NULL, o, 0);
+ NULL, NULL, NULL, o, p);
return;
}
diff_fill_sha1_info(one);
diff_fill_sha1_info(two);
- strbuf_init(&msg, PATH_MAX * 2 + 300);
- switch (p->status) {
- case DIFF_STATUS_COPIED:
- strbuf_addf(&msg, "similarity index %d%%", similarity_index(p));
- strbuf_addstr(&msg, "\ncopy from ");
- quote_c_style(name, &msg, NULL, 0);
- strbuf_addstr(&msg, "\ncopy to ");
- quote_c_style(other, &msg, NULL, 0);
- strbuf_addch(&msg, '\n');
- break;
- case DIFF_STATUS_RENAMED:
- strbuf_addf(&msg, "similarity index %d%%", similarity_index(p));
- strbuf_addstr(&msg, "\nrename from ");
- quote_c_style(name, &msg, NULL, 0);
- strbuf_addstr(&msg, "\nrename to ");
- quote_c_style(other, &msg, NULL, 0);
- strbuf_addch(&msg, '\n');
- break;
- case DIFF_STATUS_MODIFIED:
- if (p->score) {
- strbuf_addf(&msg, "dissimilarity index %d%%\n",
- similarity_index(p));
- complete_rewrite = 1;
- break;
- }
- /* fallthru */
- default:
- /* nothing */
- ;
- }
-
- if (hashcmp(one->sha1, two->sha1)) {
- int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
-
- if (DIFF_OPT_TST(o, BINARY)) {
- mmfile_t mf;
- if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) ||
- (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
- abbrev = 40;
- }
- strbuf_addf(&msg, "index %.*s..%.*s",
- abbrev, sha1_to_hex(one->sha1),
- abbrev, sha1_to_hex(two->sha1));
- if (one->mode == two->mode)
- strbuf_addf(&msg, " %06o", one->mode);
- strbuf_addch(&msg, '\n');
- }
-
- if (msg.len)
- strbuf_setlen(&msg, msg.len - 1);
- xfrm_msg = msg.len ? msg.buf : NULL;
-
if (!pgm &&
DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) &&
(S_IFMT & one->mode) != (S_IFMT & two->mode)) {
- /* a filepair that changes between file and symlink
+ /*
+ * a filepair that changes between file and symlink
* needs to be split into deletion and creation.
*/
struct diff_filespec *null = alloc_filespec(two->path);
run_diff_cmd(NULL, name, other, attr_path,
- one, null, xfrm_msg, o, 0);
+ one, null, &msg, o, p);
free(null);
+ strbuf_release(&msg);
+
null = alloc_filespec(one->path);
run_diff_cmd(NULL, name, other, attr_path,
- null, two, xfrm_msg, o, 0);
+ null, two, &msg, o, p);
free(null);
}
else
run_diff_cmd(pgm, name, other, attr_path,
- one, two, xfrm_msg, o, complete_rewrite);
+ one, two, &msg, o, p);
strbuf_release(&msg);
}
options->break_opt = -1;
options->rename_limit = -1;
options->dirstat_percent = 3;
+ DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE);
options->context = 3;
options->change = diff_change;
DIFF_OPT_SET(options, EXIT_WITH_STATUS);
}
- /*
- * If we postprocess in diffcore, we cannot simply return
- * upon the first hit. We need to run diff as usual.
- */
- if (options->pickaxe || options->filter)
- DIFF_OPT_CLR(options, QUIET);
-
return 0;
}
options->output_format |= DIFF_FORMAT_SHORTSTAT;
else if (opt_arg(arg, 'X', "dirstat", &options->dirstat_percent))
options->output_format |= DIFF_FORMAT_DIRSTAT;
- else if (!strcmp(arg, "--cumulative"))
- options->output_format |= DIFF_FORMAT_CUMULATIVE;
+ else if (!strcmp(arg, "--cumulative")) {
+ options->output_format |= DIFF_FORMAT_DIRSTAT;
+ DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
+ }
else if (!strcmp(arg, "--check"))
options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
void diffcore_std(struct diff_options *options)
{
- if (DIFF_OPT_TST(options, QUIET))
- return;
-
- if (options->skip_stat_unmatch && !DIFF_OPT_TST(options, FIND_COPIES_HARDER))
+ if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
if (options->break_opt != -1)
diffcore_break(options->break_opt);