Prevent case sensitive commit
[git/jr.git] / wt-status.c
blobc0c247243b562a7579ff780b80dffef4774b60a9
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"
11 int wt_status_relative_paths = 1;
12 int wt_status_use_color = 0;
13 static char wt_status_colors[][COLOR_MAXLEN] = {
14 "", /* WT_STATUS_HEADER: normal */
15 "\033[32m", /* WT_STATUS_UPDATED: green */
16 "\033[31m", /* WT_STATUS_CHANGED: red */
17 "\033[31m", /* WT_STATUS_UNTRACKED: red */
20 static const char use_add_msg[] =
21 "use \"git add <file>...\" to update what will be committed";
22 static const char use_add_rm_msg[] =
23 "use \"git add/rm <file>...\" to update what will be committed";
24 static const char use_add_to_include_msg[] =
25 "use \"git add <file>...\" to include in what will be committed";
27 static int parse_status_slot(const char *var, int offset)
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 die("bad config variable '%s'", var);
41 static const char* color(int slot)
43 return wt_status_use_color ? wt_status_colors[slot] : "";
46 void wt_status_prepare(struct wt_status *s)
48 unsigned char sha1[20];
49 const char *head;
51 memset(s, 0, sizeof(*s));
52 head = resolve_ref("HEAD", sha1, 0, NULL);
53 s->branch = head ? xstrdup(head) : NULL;
54 s->reference = "HEAD";
55 s->fp = stdout;
56 s->index_file = get_index_file();
59 static void wt_status_print_cached_header(struct wt_status *s)
61 const char *c = color(WT_STATUS_HEADER);
62 color_fprintf_ln(s->fp, c, "# Changes to be committed:");
63 if (s->reference) {
64 color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
65 } else {
66 color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
68 color_fprintf_ln(s->fp, c, "#");
71 static void wt_status_print_header(struct wt_status *s,
72 const char *main, const char *sub)
74 const char *c = color(WT_STATUS_HEADER);
75 color_fprintf_ln(s->fp, c, "# %s:", main);
76 color_fprintf_ln(s->fp, c, "# (%s)", sub);
77 color_fprintf_ln(s->fp, c, "#");
80 static void wt_status_print_trailer(struct wt_status *s)
82 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
85 static char *quote_path(const char *in, int len,
86 struct strbuf *out, const char *prefix)
88 if (len < 0)
89 len = strlen(in);
91 strbuf_grow(out, len);
92 strbuf_setlen(out, 0);
93 if (prefix) {
94 int off = 0;
95 while (prefix[off] && off < len && prefix[off] == in[off])
96 if (prefix[off] == '/') {
97 prefix += off + 1;
98 in += off + 1;
99 len -= off + 1;
100 off = 0;
101 } else
102 off++;
104 for (; *prefix; prefix++)
105 if (*prefix == '/')
106 strbuf_addstr(out, "../");
109 for ( ; len > 0; in++, len--) {
110 int ch = *in;
112 switch (ch) {
113 case '\n':
114 strbuf_addstr(out, "\\n");
115 break;
116 case '\r':
117 strbuf_addstr(out, "\\r");
118 break;
119 default:
120 strbuf_addch(out, ch);
121 continue;
125 if (!out->len)
126 strbuf_addstr(out, "./");
128 return out->buf;
131 static void wt_status_print_filepair(struct wt_status *s,
132 int t, struct diff_filepair *p)
134 const char *c = color(t);
135 const char *one, *two;
136 struct strbuf onebuf, twobuf;
138 strbuf_init(&onebuf, 0);
139 strbuf_init(&twobuf, 0);
140 one = quote_path(p->one->path, -1, &onebuf, s->prefix);
141 two = quote_path(p->two->path, -1, &twobuf, s->prefix);
143 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
144 switch (p->status) {
145 case DIFF_STATUS_ADDED:
146 color_fprintf(s->fp, c, "new file: %s", one);
147 break;
148 case DIFF_STATUS_COPIED:
149 color_fprintf(s->fp, c, "copied: %s -> %s", one, two);
150 break;
151 case DIFF_STATUS_DELETED:
152 color_fprintf(s->fp, c, "deleted: %s", one);
153 break;
154 case DIFF_STATUS_MODIFIED:
155 color_fprintf(s->fp, c, "modified: %s", one);
156 break;
157 case DIFF_STATUS_RENAMED:
158 color_fprintf(s->fp, c, "renamed: %s -> %s", one, two);
159 break;
160 case DIFF_STATUS_TYPE_CHANGED:
161 color_fprintf(s->fp, c, "typechange: %s", one);
162 break;
163 case DIFF_STATUS_UNKNOWN:
164 color_fprintf(s->fp, c, "unknown: %s", one);
165 break;
166 case DIFF_STATUS_UNMERGED:
167 color_fprintf(s->fp, c, "unmerged: %s", one);
168 break;
169 default:
170 die("bug: unhandled diff status %c", p->status);
172 fprintf(s->fp, "\n");
173 strbuf_release(&onebuf);
174 strbuf_release(&twobuf);
177 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
178 struct diff_options *options,
179 void *data)
181 struct wt_status *s = data;
182 int shown_header = 0;
183 int i;
184 for (i = 0; i < q->nr; i++) {
185 if (q->queue[i]->status == 'U')
186 continue;
187 if (!shown_header) {
188 wt_status_print_cached_header(s);
189 s->commitable = 1;
190 shown_header = 1;
192 wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
194 if (shown_header)
195 wt_status_print_trailer(s);
198 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
199 struct diff_options *options,
200 void *data)
202 struct wt_status *s = data;
203 int i;
204 if (q->nr) {
205 const char *msg = use_add_msg;
206 s->workdir_dirty = 1;
207 for (i = 0; i < q->nr; i++)
208 if (q->queue[i]->status == DIFF_STATUS_DELETED) {
209 msg = use_add_rm_msg;
210 break;
212 wt_status_print_header(s, "Changed but not updated", msg);
214 for (i = 0; i < q->nr; i++)
215 wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
216 if (q->nr)
217 wt_status_print_trailer(s);
220 static void wt_read_cache(struct wt_status *s)
222 discard_cache();
223 read_cache_from(s->index_file);
226 static void wt_status_print_initial(struct wt_status *s)
228 int i;
229 struct strbuf buf;
231 strbuf_init(&buf, 0);
232 wt_read_cache(s);
233 if (active_nr) {
234 s->commitable = 1;
235 wt_status_print_cached_header(s);
237 for (i = 0; i < active_nr; i++) {
238 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
239 color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
240 quote_path(active_cache[i]->name, -1,
241 &buf, s->prefix));
243 if (active_nr)
244 wt_status_print_trailer(s);
245 strbuf_release(&buf);
248 static void wt_status_print_updated(struct wt_status *s)
250 struct rev_info rev;
251 init_revisions(&rev, NULL);
252 setup_revisions(0, NULL, &rev, s->reference);
253 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
254 rev.diffopt.format_callback = wt_status_print_updated_cb;
255 rev.diffopt.format_callback_data = s;
256 rev.diffopt.detect_rename = 1;
257 rev.diffopt.rename_limit = 100;
258 rev.diffopt.break_opt = 0;
259 wt_read_cache(s);
260 run_diff_index(&rev, 1);
263 static void wt_status_print_changed(struct wt_status *s)
265 struct rev_info rev;
266 init_revisions(&rev, "");
267 setup_revisions(0, NULL, &rev, NULL);
268 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
269 rev.diffopt.format_callback = wt_status_print_changed_cb;
270 rev.diffopt.format_callback_data = s;
271 wt_read_cache(s);
272 run_diff_files(&rev, 0);
275 static void wt_status_print_untracked(struct wt_status *s)
277 struct dir_struct dir;
278 int i;
279 int shown_header = 0;
280 struct strbuf buf;
282 strbuf_init(&buf, 0);
283 memset(&dir, 0, sizeof(dir));
285 if (!s->untracked) {
286 dir.show_other_directories = 1;
287 dir.hide_empty_directories = 1;
289 setup_standard_excludes(&dir);
291 read_directory(&dir, ".", "", 0, NULL);
292 for(i = 0; i < dir.nr; i++) {
293 /* check for matching entry, which is unmerged; lifted from
294 * builtin-ls-files:show_other_files */
295 struct dir_entry *ent = dir.entries[i];
296 int pos = cache_name_pos(ent->name, ent->len);
297 struct cache_entry *ce;
298 if (0 <= pos)
299 die("bug in wt_status_print_untracked");
300 pos = -pos - 1;
301 if (pos < active_nr) {
302 ce = active_cache[pos];
303 if (ce_namelen(ce) == ent->len &&
304 !memcmp(ce->name, ent->name, ent->len))
305 continue;
307 if (!shown_header) {
308 s->workdir_untracked = 1;
309 wt_status_print_header(s, "Untracked files",
310 use_add_to_include_msg);
311 shown_header = 1;
313 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
314 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
315 quote_path(ent->name, ent->len,
316 &buf, s->prefix));
318 strbuf_release(&buf);
321 static void wt_status_print_verbose(struct wt_status *s)
323 struct rev_info rev;
324 int saved_stdout;
326 fflush(s->fp);
328 /* Sigh, the entire diff machinery is hardcoded to output to
329 * stdout. Do the dup-dance...*/
330 saved_stdout = dup(STDOUT_FILENO);
331 if (saved_stdout < 0 ||dup2(fileno(s->fp), STDOUT_FILENO) < 0)
332 die("couldn't redirect stdout\n");
334 init_revisions(&rev, NULL);
335 setup_revisions(0, NULL, &rev, s->reference);
336 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
337 rev.diffopt.detect_rename = 1;
338 wt_read_cache(s);
339 run_diff_index(&rev, 1);
341 fflush(stdout);
343 if (dup2(saved_stdout, STDOUT_FILENO) < 0)
344 die("couldn't restore stdout\n");
345 close(saved_stdout);
348 void wt_status_print(struct wt_status *s)
350 unsigned char sha1[20];
351 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
353 if (s->branch) {
354 const char *on_what = "On branch ";
355 const char *branch_name = s->branch;
356 if (!prefixcmp(branch_name, "refs/heads/"))
357 branch_name += 11;
358 else if (!strcmp(branch_name, "HEAD")) {
359 branch_name = "";
360 on_what = "Not currently on any branch.";
362 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
363 "# %s%s", on_what, branch_name);
366 if (s->is_initial) {
367 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
368 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
369 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
370 wt_status_print_initial(s);
372 else {
373 wt_status_print_updated(s);
376 wt_status_print_changed(s);
377 wt_status_print_untracked(s);
379 if (s->verbose && !s->is_initial)
380 wt_status_print_verbose(s);
381 if (!s->commitable) {
382 if (s->amend)
383 fprintf(s->fp, "# No changes\n");
384 else if (s->nowarn)
385 ; /* nothing */
386 else if (s->workdir_dirty)
387 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
388 else if (s->workdir_untracked)
389 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
390 else if (s->is_initial)
391 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
392 else
393 printf("nothing to commit (working directory clean)\n");
397 int git_status_config(const char *k, const char *v)
399 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
400 wt_status_use_color = git_config_colorbool(k, v, -1);
401 return 0;
403 if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
404 int slot = parse_status_slot(k, 13);
405 color_parse(v, k, wt_status_colors[slot]);
406 return 0;
408 if (!strcmp(k, "status.relativepaths")) {
409 wt_status_relative_paths = git_config_bool(k, v);
410 return 0;
412 return git_default_config(k, v);