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-rw-r--r--diff.c162
1 files changed, 131 insertions, 31 deletions
diff --git a/diff.c b/diff.c
index 2b89b1600..18859a70e 100644
--- a/diff.c
+++ b/diff.c
@@ -20,7 +20,7 @@
static int diff_detect_rename_default;
static int diff_rename_limit_default = 100;
-static int diff_use_color_default;
+int diff_use_color_default = -1;
static const char *external_diff_cmd_cfg;
int diff_auto_refresh_index = 1;
@@ -57,7 +57,7 @@ static int parse_diff_color_slot(const char *var, int ofs)
static struct ll_diff_driver {
const char *name;
struct ll_diff_driver *next;
- char *cmd;
+ const char *cmd;
} *user_diff, **user_diff_tail;
/*
@@ -86,10 +86,7 @@ static int parse_lldiff_command(const char *var, const char *ep, const char *val
user_diff_tail = &(drv->next);
}
- if (!value)
- return error("%s: lacks value", var);
- drv->cmd = strdup(value);
- return 0;
+ return git_config_string(&(drv->cmd), var, value);
}
/*
@@ -158,16 +155,16 @@ int git_diff_ui_config(const char *var, const char *value)
return 0;
}
if (!strcmp(var, "diff.external")) {
+ if (!value)
+ return config_error_nonbool(var);
external_diff_cmd_cfg = xstrdup(value);
return 0;
}
if (!prefixcmp(var, "diff.")) {
const char *ep = strrchr(var, '.');
- if (ep != var + 4) {
- if (!strcmp(ep, ".command"))
- return parse_lldiff_command(var, ep, value);
- }
+ if (ep != var + 4 && !strcmp(ep, ".command"))
+ return parse_lldiff_command(var, ep, value);
}
return git_diff_basic_config(var, value);
@@ -177,6 +174,8 @@ int git_diff_basic_config(const char *var, const char *value)
{
if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) {
int slot = parse_diff_color_slot(var, 11);
+ if (!value)
+ return config_error_nonbool(var);
color_parse(value, var, diff_colors[slot]);
return 0;
}
@@ -184,12 +183,15 @@ int git_diff_basic_config(const char *var, const char *value)
if (!prefixcmp(var, "diff.")) {
const char *ep = strrchr(var, '.');
if (ep != var + 4) {
- if (!strcmp(ep, ".funcname"))
+ if (!strcmp(ep, ".funcname")) {
+ if (!value)
+ return config_error_nonbool(var);
return parse_funcname_pattern(var, ep, value);
+ }
}
}
- return git_default_config(var, value);
+ return git_color_default_config(var, value);
}
static char *quote_two(const char *one, const char *two)
@@ -270,8 +272,8 @@ static void print_line_count(int count)
}
}
-static void copy_file(int prefix, const char *data, int size,
- const char *set, const char *reset)
+static void copy_file_with_prefix(int prefix, const char *data, int size,
+ const char *set, const char *reset)
{
int ch, nl_just_seen = 1;
while (0 < size--) {
@@ -329,9 +331,9 @@ static void emit_rewrite_diff(const char *name_a,
print_line_count(lc_b);
printf(" @@%s\n", reset);
if (lc_a)
- copy_file('-', one->data, one->size, old, reset);
+ copy_file_with_prefix('-', one->data, one->size, old, reset);
if (lc_b)
- copy_file('+', two->data, two->size, new, reset);
+ copy_file_with_prefix('+', two->data, two->size, new, reset);
}
static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one)
@@ -980,6 +982,90 @@ static void show_numstat(struct diffstat_t* data, struct diff_options *options)
}
}
+struct diffstat_dir {
+ struct diffstat_file **files;
+ int nr, percent, cumulative;
+};
+
+static long gather_dirstat(struct diffstat_dir *dir, unsigned long changed, const char *base, int baselen)
+{
+ unsigned long this_dir = 0;
+ unsigned int sources = 0;
+
+ while (dir->nr) {
+ struct diffstat_file *f = *dir->files;
+ int namelen = strlen(f->name);
+ unsigned long this;
+ char *slash;
+
+ if (namelen < baselen)
+ break;
+ if (memcmp(f->name, base, baselen))
+ break;
+ slash = strchr(f->name + baselen, '/');
+ if (slash) {
+ int newbaselen = slash + 1 - f->name;
+ this = gather_dirstat(dir, changed, f->name, newbaselen);
+ sources++;
+ } else {
+ if (f->is_unmerged || f->is_binary)
+ this = 0;
+ else
+ this = f->added + f->deleted;
+ dir->files++;
+ dir->nr--;
+ sources += 2;
+ }
+ this_dir += this;
+ }
+
+ /*
+ * We don't report dirstat's for
+ * - the top level
+ * - or cases where everything came from a single directory
+ * under this directory (sources == 1).
+ */
+ if (baselen && sources != 1) {
+ int permille = this_dir * 1000 / changed;
+ if (permille) {
+ int percent = permille / 10;
+ if (percent >= dir->percent) {
+ printf("%4d.%01d%% %.*s\n", percent, permille % 10, baselen, base);
+ if (!dir->cumulative)
+ return 0;
+ }
+ }
+ }
+ return this_dir;
+}
+
+static void show_dirstat(struct diffstat_t *data, struct diff_options *options)
+{
+ int i;
+ unsigned long changed;
+ struct diffstat_dir dir;
+
+ /* Calculate total changes */
+ changed = 0;
+ for (i = 0; i < data->nr; i++) {
+ if (data->files[i]->is_binary || data->files[i]->is_unmerged)
+ continue;
+ changed += data->files[i]->added;
+ changed += data->files[i]->deleted;
+ }
+
+ /* This can happen even with many files, if everything was renames */
+ if (!changed)
+ return;
+
+ /* Show all directories with more than x% of the changes */
+ dir.files = data->files;
+ dir.nr = data->nr;
+ dir.percent = options->dirstat_percent;
+ dir.cumulative = options->output_format & DIFF_FORMAT_CUMULATIVE;
+ gather_dirstat(&dir, changed, "", 0);
+}
+
static void free_diffstat_info(struct diffstat_t *diffstat)
{
int i;
@@ -1011,6 +1097,7 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
char *err;
if (line[0] == '+') {
+ data->lineno++;
data->status = check_and_emit_line(line + 1, len - 1,
data->ws_rule, NULL, NULL, NULL, NULL);
if (!data->status)
@@ -1021,13 +1108,12 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
emit_line(set, reset, line, 1);
(void)check_and_emit_line(line + 1, len - 1, data->ws_rule,
stdout, set, reset, ws);
- data->lineno++;
} else if (line[0] == ' ')
data->lineno++;
else if (line[0] == '@') {
char *plus = strchr(line, '+');
if (plus)
- data->lineno = strtol(plus, NULL, 10);
+ data->lineno = strtol(plus, NULL, 10) - 1;
else
die("invalid diff");
}
@@ -1197,7 +1283,7 @@ static struct builtin_funcname_pattern {
"new\\|return\\|switch\\|throw\\|while\\)\n"
"^[ ]*\\(\\([ ]*"
"[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}"
- "[ ]*([^;]*$\\)" },
+ "[ ]*([^;]*\\)$" },
{ "tex", "^\\(\\\\\\(sub\\)*section{.*\\)$" },
};
@@ -1511,17 +1597,22 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int
if (pos < 0)
return 0;
ce = active_cache[pos];
- if ((lstat(name, &st) < 0) ||
- !S_ISREG(st.st_mode) || /* careful! */
- ce_match_stat(ce, &st, 0) ||
- hashcmp(sha1, ce->sha1))
+
+ /*
+ * This is not the sha1 we are looking for, or
+ * unreusable because it is not a regular file.
+ */
+ if (hashcmp(sha1, ce->sha1) || !S_ISREG(ce->ce_mode))
return 0;
- /* we return 1 only when we can stat, it is a regular file,
- * stat information matches, and sha1 recorded in the cache
- * matches. I.e. we know the file in the work tree really is
- * the same as the <name, sha1> pair.
+
+ /*
+ * If ce matches the file in the work tree, we can reuse it.
*/
- return 1;
+ if (ce_uptodate(ce) ||
+ (!lstat(name, &st) && !ce_match_stat(ce, &st, 0)))
+ return 1;
+
+ return 0;
}
static int populate_from_stdin(struct diff_filespec *s)
@@ -1625,7 +1716,7 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
* Convert from working tree format to canonical git format
*/
strbuf_init(&buf, 0);
- if (convert_to_git(s->path, s->data, s->size, &buf)) {
+ if (convert_to_git(s->path, s->data, s->size, &buf, safe_crlf)) {
size_t size = 0;
munmap(s->data, s->size);
s->should_munmap = 0;
@@ -2072,12 +2163,13 @@ void diff_setup(struct diff_options *options)
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
+ options->dirstat_percent = 3;
options->context = 3;
options->msg_sep = "";
options->change = diff_change;
options->add_remove = diff_addremove;
- if (diff_use_color_default)
+ if (diff_use_color_default > 0)
DIFF_OPT_SET(options, COLOR_DIFF);
else
DIFF_OPT_CLR(options, COLOR_DIFF);
@@ -2120,6 +2212,7 @@ int diff_setup_done(struct diff_options *options)
DIFF_FORMAT_NUMSTAT |
DIFF_FORMAT_DIFFSTAT |
DIFF_FORMAT_SHORTSTAT |
+ DIFF_FORMAT_DIRSTAT |
DIFF_FORMAT_SUMMARY |
DIFF_FORMAT_PATCH);
@@ -2131,6 +2224,7 @@ int diff_setup_done(struct diff_options *options)
DIFF_FORMAT_NUMSTAT |
DIFF_FORMAT_DIFFSTAT |
DIFF_FORMAT_SHORTSTAT |
+ DIFF_FORMAT_DIRSTAT |
DIFF_FORMAT_SUMMARY |
DIFF_FORMAT_CHECKDIFF))
DIFF_OPT_SET(options, RECURSIVE);
@@ -2241,6 +2335,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
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, "--check"))
options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
@@ -2978,7 +3076,7 @@ void diff_flush(struct diff_options *options)
separator++;
}
- if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT)) {
+ if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIRSTAT)) {
struct diffstat_t diffstat;
memset(&diffstat, 0, sizeof(struct diffstat_t));
@@ -2988,6 +3086,8 @@ void diff_flush(struct diff_options *options)
if (check_pair_status(p))
diff_flush_stat(p, options, &diffstat);
}
+ if (output_format & DIFF_FORMAT_DIRSTAT)
+ show_dirstat(&diffstat, options);
if (output_format & DIFF_FORMAT_NUMSTAT)
show_numstat(&diffstat, options);
if (output_format & DIFF_FORMAT_DIFFSTAT)
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-08 17:10:12 +0000