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Merge branch 'nd/diff-stat-with-summary'

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"git diff" and friends learned "--compact-summary" that shows the
information usually given with the "--summary" option on the same
line as the diffstat output of the "--stat" option (which saves
vertical space and keeps info on a single path at the same place).

* nd/diff-stat-with-summary:
  diff: add --compact-summary
  diff.c: refactor pprint_rename() to use strbuf
This commit is contained in:
Junio C Hamano
2018-03-14 12:01:02 -07:00
parent d0db9edba0 ddf88fa616
commit 868f7d2338
8 changed files with 109 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
diff.c
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@ -2045,11 +2045,10 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
}
}
static char *pprint_rename(const char *a, const char *b)
static void pprint_rename(struct strbuf *name, const char *a, const char *b)
{
const char *old_name = a;
const char *new_name = b;
struct strbuf name = STRBUF_INIT;
int pfx_length, sfx_length;
int pfx_adjust_for_slash;
int len_a = strlen(a);
@ -2059,10 +2058,10 @@ static char *pprint_rename(const char *a, const char *b)
int qlen_b = quote_c_style(b, NULL, NULL, 0);
if (qlen_a || qlen_b) {
quote_c_style(a, &name, NULL, 0);
strbuf_addstr(&name, " => ");
quote_c_style(b, &name, NULL, 0);
return strbuf_detach(&name, NULL);
quote_c_style(a, name, NULL, 0);
strbuf_addstr(name, " => ");
quote_c_style(b, name, NULL, 0);
return;
}
/* Find common prefix */
@ -2109,19 +2108,18 @@ static char *pprint_rename(const char *a, const char *b)
if (b_midlen < 0)
b_midlen = 0;
strbuf_grow(&name, pfx_length + a_midlen + b_midlen + sfx_length + 7);
strbuf_grow(name, pfx_length + a_midlen + b_midlen + sfx_length + 7);
if (pfx_length + sfx_length) {
strbuf_add(&name, a, pfx_length);
strbuf_addch(&name, '{');
strbuf_add(name, a, pfx_length);
strbuf_addch(name, '{');
}
strbuf_add(&name, a + pfx_length, a_midlen);
strbuf_addstr(&name, " => ");
strbuf_add(&name, b + pfx_length, b_midlen);
strbuf_add(name, a + pfx_length, a_midlen);
strbuf_addstr(name, " => ");
strbuf_add(name, b + pfx_length, b_midlen);
if (pfx_length + sfx_length) {
strbuf_addch(&name, '}');
strbuf_add(&name, a + len_a - sfx_length, sfx_length);
strbuf_addch(name, '}');
strbuf_add(name, a + len_a - sfx_length, sfx_length);
}
return strbuf_detach(&name, NULL);
}
struct diffstat_t {
@ -2131,6 +2129,7 @@ struct diffstat_t {
char *from_name;
char *name;
char *print_name;
const char *comments;
unsigned is_unmerged:1;
unsigned is_binary:1;
unsigned is_renamed:1;
@ -2197,23 +2196,20 @@ static void show_graph(struct strbuf *out, char ch, int cnt,
static void fill_print_name(struct diffstat_file *file)
{
char *pname;
struct strbuf pname = STRBUF_INIT;
if (file->print_name)
return;
if (!file->is_renamed) {
struct strbuf buf = STRBUF_INIT;
if (quote_c_style(file->name, &buf, NULL, 0)) {
pname = strbuf_detach(&buf, NULL);
} else {
pname = file->name;
strbuf_release(&buf);
}
} else {
pname = pprint_rename(file->from_name, file->name);
}
file->print_name = pname;
if (file->is_renamed)
pprint_rename(&pname, file->from_name, file->name);
else
quote_c_style(file->name, &pname, NULL, 0);
if (file->comments)
strbuf_addf(&pname, " (%s)", file->comments);
file->print_name = strbuf_detach(&pname, NULL);
}
static void print_stat_summary_inserts_deletes(struct diff_options *options,
@ -2797,8 +2793,7 @@ static void free_diffstat_info(struct diffstat_t *diffstat)
int i;
for (i = 0; i < diffstat->nr; i++) {
struct diffstat_file *f = diffstat->files[i];
if (f->name != f->print_name)
free(f->print_name);
free(f->print_name);
free(f->name);
free(f->from_name);
free(f);
@ -3248,6 +3243,32 @@ static void builtin_diff(const char *name_a,
return;
}
static char *get_compact_summary(const struct diff_filepair *p, int is_renamed)
{
if (!is_renamed) {
if (p->status == DIFF_STATUS_ADDED) {
if (S_ISLNK(p->two->mode))
return "new +l";
else if ((p->two->mode & 0777) == 0755)
return "new +x";
else
return "new";
} else if (p->status == DIFF_STATUS_DELETED)
return "gone";
}
if (S_ISLNK(p->one->mode) && !S_ISLNK(p->two->mode))
return "mode -l";
else if (!S_ISLNK(p->one->mode) && S_ISLNK(p->two->mode))
return "mode +l";
else if ((p->one->mode & 0777) == 0644 &&
(p->two->mode & 0777) == 0755)
return "mode +x";
else if ((p->one->mode & 0777) == 0755 &&
(p->two->mode & 0777) == 0644)
return "mode -x";
return NULL;
}
static void builtin_diffstat(const char *name_a, const char *name_b,
struct diff_filespec *one,
struct diff_filespec *two,
@ -3267,6 +3288,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
data = diffstat_add(diffstat, name_a, name_b);
data->is_interesting = p->status != DIFF_STATUS_UNKNOWN;
if (o->flags.stat_with_summary)
data->comments = get_compact_summary(p, data->is_renamed);
if (!one || !two) {
data->is_unmerged = 1;
@ -4553,6 +4576,11 @@ int diff_opt_parse(struct diff_options *options,
else if (starts_with(arg, "--stat"))
/* --stat, --stat-width, --stat-name-width, or --stat-count */
return stat_opt(options, av);
else if (!strcmp(arg, "--compact-summary")) {
options->flags.stat_with_summary = 1;
options->output_format |= DIFF_FORMAT_DIFFSTAT;
} else if (!strcmp(arg, "--no-compact-summary"))
options->flags.stat_with_summary = 0;
/* renames options */
else if (starts_with(arg, "-B") ||
@ -5241,10 +5269,12 @@ static void show_rename_copy(struct diff_options *opt, const char *renamecopy,
struct diff_filepair *p)
{
struct strbuf sb = STRBUF_INIT;
char *names = pprint_rename(p->one->path, p->two->path);
struct strbuf names = STRBUF_INIT;
pprint_rename(&names, p->one->path, p->two->path);
strbuf_addf(&sb, " %s %s (%d%%)\n",
renamecopy, names, similarity_index(p));
free(names);
renamecopy, names.buf, similarity_index(p));
strbuf_release(&names);
emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
sb.buf, sb.len, 0);
show_mode_change(opt, p, 0);