Fix a bunch of pointer declarations (codestyle)
[git/git.git] / wt-status.c
1 #include "cache.h"
2 #include "wt-status.h"
3 #include "color.h"
4 #include "object.h"
5 #include "dir.h"
6 #include "commit.h"
7 #include "diff.h"
8 #include "revision.h"
9 #include "diffcore.h"
10 #include "quote.h"
11 #include "run-command.h"
12 #include "remote.h"
13
14 int wt_status_relative_paths = 1;
15 int wt_status_use_color = -1;
16 int wt_status_submodule_summary;
17 static char wt_status_colors[][COLOR_MAXLEN] = {
18 GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
19 GIT_COLOR_GREEN, /* WT_STATUS_UPDATED */
20 GIT_COLOR_RED, /* WT_STATUS_CHANGED */
21 GIT_COLOR_RED, /* WT_STATUS_UNTRACKED */
22 GIT_COLOR_RED, /* WT_STATUS_NOBRANCH */
23 };
24
25 enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
26
27 static int parse_status_slot(const char *var, int offset)
28 {
29 if (!strcasecmp(var+offset, "header"))
30 return WT_STATUS_HEADER;
31 if (!strcasecmp(var+offset, "updated")
32 || !strcasecmp(var+offset, "added"))
33 return WT_STATUS_UPDATED;
34 if (!strcasecmp(var+offset, "changed"))
35 return WT_STATUS_CHANGED;
36 if (!strcasecmp(var+offset, "untracked"))
37 return WT_STATUS_UNTRACKED;
38 if (!strcasecmp(var+offset, "nobranch"))
39 return WT_STATUS_NOBRANCH;
40 die("bad config variable '%s'", var);
41 }
42
43 static const char *color(int slot)
44 {
45 return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
46 }
47
48 void wt_status_prepare(struct wt_status *s)
49 {
50 unsigned char sha1[20];
51 const char *head;
52
53 memset(s, 0, sizeof(*s));
54 head = resolve_ref("HEAD", sha1, 0, NULL);
55 s->branch = head ? xstrdup(head) : NULL;
56 s->reference = "HEAD";
57 s->fp = stdout;
58 s->index_file = get_index_file();
59 }
60
61 static void wt_status_print_cached_header(struct wt_status *s)
62 {
63 const char *c = color(WT_STATUS_HEADER);
64 color_fprintf_ln(s->fp, c, "# Changes to be committed:");
65 if (!s->is_initial) {
66 color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
67 } else {
68 color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
69 }
70 color_fprintf_ln(s->fp, c, "#");
71 }
72
73 static void wt_status_print_dirty_header(struct wt_status *s,
74 int has_deleted)
75 {
76 const char *c = color(WT_STATUS_HEADER);
77 color_fprintf_ln(s->fp, c, "# Changed but not updated:");
78 if (!has_deleted)
79 color_fprintf_ln(s->fp, c, "# (use \"git add <file>...\" to update what will be committed)");
80 else
81 color_fprintf_ln(s->fp, c, "# (use \"git add/rm <file>...\" to update what will be committed)");
82 color_fprintf_ln(s->fp, c, "# (use \"git checkout -- <file>...\" to discard changes in working directory)");
83 color_fprintf_ln(s->fp, c, "#");
84 }
85
86 static void wt_status_print_untracked_header(struct wt_status *s)
87 {
88 const char *c = color(WT_STATUS_HEADER);
89 color_fprintf_ln(s->fp, c, "# Untracked files:");
90 color_fprintf_ln(s->fp, c, "# (use \"git add <file>...\" to include in what will be committed)");
91 color_fprintf_ln(s->fp, c, "#");
92 }
93
94 static void wt_status_print_trailer(struct wt_status *s)
95 {
96 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
97 }
98
99 #define quote_path quote_path_relative
100
101 static void wt_status_print_filepair(struct wt_status *s,
102 int t, struct diff_filepair *p)
103 {
104 const char *c = color(t);
105 const char *one, *two;
106 struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
107
108 one = quote_path(p->one->path, -1, &onebuf, s->prefix);
109 two = quote_path(p->two->path, -1, &twobuf, s->prefix);
110
111 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
112 switch (p->status) {
113 case DIFF_STATUS_ADDED:
114 color_fprintf(s->fp, c, "new file: %s", one);
115 break;
116 case DIFF_STATUS_COPIED:
117 color_fprintf(s->fp, c, "copied: %s -> %s", one, two);
118 break;
119 case DIFF_STATUS_DELETED:
120 color_fprintf(s->fp, c, "deleted: %s", one);
121 break;
122 case DIFF_STATUS_MODIFIED:
123 color_fprintf(s->fp, c, "modified: %s", one);
124 break;
125 case DIFF_STATUS_RENAMED:
126 color_fprintf(s->fp, c, "renamed: %s -> %s", one, two);
127 break;
128 case DIFF_STATUS_TYPE_CHANGED:
129 color_fprintf(s->fp, c, "typechange: %s", one);
130 break;
131 case DIFF_STATUS_UNKNOWN:
132 color_fprintf(s->fp, c, "unknown: %s", one);
133 break;
134 case DIFF_STATUS_UNMERGED:
135 color_fprintf(s->fp, c, "unmerged: %s", one);
136 break;
137 default:
138 die("bug: unhandled diff status %c", p->status);
139 }
140 fprintf(s->fp, "\n");
141 strbuf_release(&onebuf);
142 strbuf_release(&twobuf);
143 }
144
145 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
146 struct diff_options *options,
147 void *data)
148 {
149 struct wt_status *s = data;
150 int shown_header = 0;
151 int i;
152 for (i = 0; i < q->nr; i++) {
153 if (q->queue[i]->status == 'U')
154 continue;
155 if (!shown_header) {
156 wt_status_print_cached_header(s);
157 s->commitable = 1;
158 shown_header = 1;
159 }
160 wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
161 }
162 if (shown_header)
163 wt_status_print_trailer(s);
164 }
165
166 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
167 struct diff_options *options,
168 void *data)
169 {
170 struct wt_status *s = data;
171 int i;
172 if (q->nr) {
173 int has_deleted = 0;
174 s->workdir_dirty = 1;
175 for (i = 0; i < q->nr; i++)
176 if (q->queue[i]->status == DIFF_STATUS_DELETED) {
177 has_deleted = 1;
178 break;
179 }
180 wt_status_print_dirty_header(s, has_deleted);
181 }
182 for (i = 0; i < q->nr; i++)
183 wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
184 if (q->nr)
185 wt_status_print_trailer(s);
186 }
187
188 static void wt_status_print_updated(struct wt_status *s)
189 {
190 struct rev_info rev;
191 init_revisions(&rev, NULL);
192 setup_revisions(0, NULL, &rev,
193 s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
194 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
195 rev.diffopt.format_callback = wt_status_print_updated_cb;
196 rev.diffopt.format_callback_data = s;
197 rev.diffopt.detect_rename = 1;
198 rev.diffopt.rename_limit = 200;
199 rev.diffopt.break_opt = 0;
200 run_diff_index(&rev, 1);
201 }
202
203 static void wt_status_print_changed(struct wt_status *s)
204 {
205 struct rev_info rev;
206 init_revisions(&rev, "");
207 setup_revisions(0, NULL, &rev, NULL);
208 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
209 rev.diffopt.format_callback = wt_status_print_changed_cb;
210 rev.diffopt.format_callback_data = s;
211 run_diff_files(&rev, 0);
212 }
213
214 static void wt_status_print_submodule_summary(struct wt_status *s)
215 {
216 struct child_process sm_summary;
217 char summary_limit[64];
218 char index[PATH_MAX];
219 const char *env[] = { index, NULL };
220 const char *argv[] = {
221 "submodule",
222 "summary",
223 "--cached",
224 "--for-status",
225 "--summary-limit",
226 summary_limit,
227 s->amend ? "HEAD^" : "HEAD",
228 NULL
229 };
230
231 sprintf(summary_limit, "%d", wt_status_submodule_summary);
232 snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
233
234 memset(&sm_summary, 0, sizeof(sm_summary));
235 sm_summary.argv = argv;
236 sm_summary.env = env;
237 sm_summary.git_cmd = 1;
238 sm_summary.no_stdin = 1;
239 fflush(s->fp);
240 sm_summary.out = dup(fileno(s->fp)); /* run_command closes it */
241 run_command(&sm_summary);
242 }
243
244 static void wt_status_print_untracked(struct wt_status *s)
245 {
246 struct dir_struct dir;
247 int i;
248 int shown_header = 0;
249 struct strbuf buf = STRBUF_INIT;
250
251 memset(&dir, 0, sizeof(dir));
252
253 if (!s->untracked)
254 dir.flags |=
255 DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
256 setup_standard_excludes(&dir);
257
258 read_directory(&dir, ".", "", 0, NULL);
259 for(i = 0; i < dir.nr; i++) {
260 struct dir_entry *ent = dir.entries[i];
261 if (!cache_name_is_other(ent->name, ent->len))
262 continue;
263 if (!shown_header) {
264 s->workdir_untracked = 1;
265 wt_status_print_untracked_header(s);
266 shown_header = 1;
267 }
268 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
269 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
270 quote_path(ent->name, ent->len,
271 &buf, s->prefix));
272 }
273 strbuf_release(&buf);
274 }
275
276 static void wt_status_print_verbose(struct wt_status *s)
277 {
278 struct rev_info rev;
279
280 init_revisions(&rev, NULL);
281 DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
282 setup_revisions(0, NULL, &rev,
283 s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
284 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
285 rev.diffopt.detect_rename = 1;
286 rev.diffopt.file = s->fp;
287 rev.diffopt.close_file = 0;
288 /*
289 * If we're not going to stdout, then we definitely don't
290 * want color, since we are going to the commit message
291 * file (and even the "auto" setting won't work, since it
292 * will have checked isatty on stdout).
293 */
294 if (s->fp != stdout)
295 DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
296 run_diff_index(&rev, 1);
297 }
298
299 static void wt_status_print_tracking(struct wt_status *s)
300 {
301 struct strbuf sb = STRBUF_INIT;
302 const char *cp, *ep;
303 struct branch *branch;
304
305 assert(s->branch && !s->is_initial);
306 if (prefixcmp(s->branch, "refs/heads/"))
307 return;
308 branch = branch_get(s->branch + 11);
309 if (!format_tracking_info(branch, &sb))
310 return;
311
312 for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
313 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
314 "# %.*s", (int)(ep - cp), cp);
315 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
316 }
317
318 void wt_status_print(struct wt_status *s)
319 {
320 unsigned char sha1[20];
321 const char *branch_color = color(WT_STATUS_HEADER);
322
323 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
324 if (s->branch) {
325 const char *on_what = "On branch ";
326 const char *branch_name = s->branch;
327 if (!prefixcmp(branch_name, "refs/heads/"))
328 branch_name += 11;
329 else if (!strcmp(branch_name, "HEAD")) {
330 branch_name = "";
331 branch_color = color(WT_STATUS_NOBRANCH);
332 on_what = "Not currently on any branch.";
333 }
334 color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
335 color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
336 if (!s->is_initial)
337 wt_status_print_tracking(s);
338 }
339
340 if (s->is_initial) {
341 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
342 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
343 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
344 }
345
346 wt_status_print_updated(s);
347 wt_status_print_changed(s);
348 if (wt_status_submodule_summary)
349 wt_status_print_submodule_summary(s);
350 if (show_untracked_files)
351 wt_status_print_untracked(s);
352 else if (s->commitable)
353 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
354
355 if (s->verbose)
356 wt_status_print_verbose(s);
357 if (!s->commitable) {
358 if (s->amend)
359 fprintf(s->fp, "# No changes\n");
360 else if (s->nowarn)
361 ; /* nothing */
362 else if (s->workdir_dirty)
363 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
364 else if (s->workdir_untracked)
365 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
366 else if (s->is_initial)
367 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
368 else if (!show_untracked_files)
369 printf("nothing to commit (use -u to show untracked files)\n");
370 else
371 printf("nothing to commit (working directory clean)\n");
372 }
373 }
374
375 int git_status_config(const char *k, const char *v, void *cb)
376 {
377 if (!strcmp(k, "status.submodulesummary")) {
378 int is_bool;
379 wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
380 if (is_bool && wt_status_submodule_summary)
381 wt_status_submodule_summary = -1;
382 return 0;
383 }
384 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
385 wt_status_use_color = git_config_colorbool(k, v, -1);
386 return 0;
387 }
388 if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
389 int slot = parse_status_slot(k, 13);
390 if (!v)
391 return config_error_nonbool(k);
392 color_parse(v, k, wt_status_colors[slot]);
393 return 0;
394 }
395 if (!strcmp(k, "status.relativepaths")) {
396 wt_status_relative_paths = git_config_bool(k, v);
397 return 0;
398 }
399 if (!strcmp(k, "status.showuntrackedfiles")) {
400 if (!v)
401 return config_error_nonbool(k);
402 else if (!strcmp(v, "no"))
403 show_untracked_files = SHOW_NO_UNTRACKED_FILES;
404 else if (!strcmp(v, "normal"))
405 show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
406 else if (!strcmp(v, "all"))
407 show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
408 else
409 return error("Invalid untracked files mode '%s'", v);
410 return 0;
411 }
412 return git_diff_ui_config(k, v, cb);
413 }