git config --get-colorbool
[git/git.git] / wt-status.c
CommitLineData
85023577 1#include "cache.h"
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2#include "wt-status.h"
3#include "color.h"
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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
11int wt_status_use_color = 0;
12static char wt_status_colors[][COLOR_MAXLEN] = {
13 "", /* WT_STATUS_HEADER: normal */
14 "\033[32m", /* WT_STATUS_UPDATED: green */
15 "\033[31m", /* WT_STATUS_CHANGED: red */
16 "\033[31m", /* WT_STATUS_UNTRACKED: red */
17};
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18
19static const char use_add_msg[] =
20"use \"git add <file>...\" to update what will be committed";
21static const char use_add_rm_msg[] =
22"use \"git add/rm <file>...\" to update what will be committed";
23static const char use_add_to_include_msg[] =
24"use \"git add <file>...\" to include in what will be committed";
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25
26static int parse_status_slot(const char *var, int offset)
27{
28 if (!strcasecmp(var+offset, "header"))
29 return WT_STATUS_HEADER;
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30 if (!strcasecmp(var+offset, "updated")
31 || !strcasecmp(var+offset, "added"))
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32 return WT_STATUS_UPDATED;
33 if (!strcasecmp(var+offset, "changed"))
34 return WT_STATUS_CHANGED;
35 if (!strcasecmp(var+offset, "untracked"))
36 return WT_STATUS_UNTRACKED;
37 die("bad config variable '%s'", var);
38}
39
40static const char* color(int slot)
41{
42 return wt_status_use_color ? wt_status_colors[slot] : "";
43}
44
45void wt_status_prepare(struct wt_status *s)
46{
47 unsigned char sha1[20];
48 const char *head;
49
cc46a743 50 memset(s, 0, sizeof(*s));
8da19775 51 head = resolve_ref("HEAD", sha1, 0, NULL);
f62363fb 52 s->branch = head ? xstrdup(head) : NULL;
c91f0d92 53 s->reference = "HEAD";
f26a0012 54 s->fp = stdout;
0f729f21 55 s->index_file = get_index_file();
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56}
57
f26a0012 58static void wt_status_print_cached_header(struct wt_status *s)
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59{
60 const char *c = color(WT_STATUS_HEADER);
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61 color_fprintf_ln(s->fp, c, "# Changes to be committed:");
62 if (s->reference) {
63 color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
3c1eb9cb 64 } else {
f26a0012 65 color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
3c1eb9cb 66 }
f26a0012 67 color_fprintf_ln(s->fp, c, "#");
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68}
69
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70static void wt_status_print_header(struct wt_status *s,
71 const char *main, const char *sub)
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72{
73 const char *c = color(WT_STATUS_HEADER);
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74 color_fprintf_ln(s->fp, c, "# %s:", main);
75 color_fprintf_ln(s->fp, c, "# (%s)", sub);
76 color_fprintf_ln(s->fp, c, "#");
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77}
78
f26a0012 79static void wt_status_print_trailer(struct wt_status *s)
c91f0d92 80{
f26a0012 81 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
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82}
83
367c9886 84static char *quote_path(const char *in, int len,
69e74918 85 struct strbuf *out, const char *prefix)
3a946802 86{
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87 if (len < 0)
88 len = strlen(in);
3a946802 89
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90 strbuf_grow(out, len);
91 strbuf_setlen(out, 0);
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92 if (prefix) {
93 int off = 0;
94 while (prefix[off] && off < len && prefix[off] == in[off])
95 if (prefix[off] == '/') {
96 prefix += off + 1;
97 in += off + 1;
98 len -= off + 1;
99 off = 0;
100 } else
101 off++;
102
103 for (; *prefix; prefix++)
104 if (*prefix == '/')
105 strbuf_addstr(out, "../");
106 }
107
69e74918 108 for ( ; len > 0; in++, len--) {
367c9886 109 int ch = *in;
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110
111 switch (ch) {
112 case '\n':
367c9886 113 strbuf_addstr(out, "\\n");
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114 break;
115 case '\r':
367c9886 116 strbuf_addstr(out, "\\r");
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117 break;
118 default:
367c9886 119 strbuf_addch(out, ch);
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120 continue;
121 }
3a946802 122 }
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123
124 return out->buf;
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125}
126
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127static void wt_status_print_filepair(struct wt_status *s,
128 int t, struct diff_filepair *p)
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129{
130 const char *c = color(t);
3a946802 131 const char *one, *two;
367c9886 132 struct strbuf onebuf, twobuf;
3a946802 133
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134 strbuf_init(&onebuf, 0);
135 strbuf_init(&twobuf, 0);
136 one = quote_path(p->one->path, -1, &onebuf, s->prefix);
137 two = quote_path(p->two->path, -1, &twobuf, s->prefix);
3a946802 138
f26a0012 139 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
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140 switch (p->status) {
141 case DIFF_STATUS_ADDED:
f26a0012 142 color_fprintf(s->fp, c, "new file: %s", one);
3a946802 143 break;
c91f0d92 144 case DIFF_STATUS_COPIED:
f26a0012 145 color_fprintf(s->fp, c, "copied: %s -> %s", one, two);
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146 break;
147 case DIFF_STATUS_DELETED:
f26a0012 148 color_fprintf(s->fp, c, "deleted: %s", one);
3a946802 149 break;
c91f0d92 150 case DIFF_STATUS_MODIFIED:
f26a0012 151 color_fprintf(s->fp, c, "modified: %s", one);
3a946802 152 break;
c91f0d92 153 case DIFF_STATUS_RENAMED:
f26a0012 154 color_fprintf(s->fp, c, "renamed: %s -> %s", one, two);
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155 break;
156 case DIFF_STATUS_TYPE_CHANGED:
f26a0012 157 color_fprintf(s->fp, c, "typechange: %s", one);
3a946802 158 break;
c91f0d92 159 case DIFF_STATUS_UNKNOWN:
f26a0012 160 color_fprintf(s->fp, c, "unknown: %s", one);
3a946802 161 break;
c91f0d92 162 case DIFF_STATUS_UNMERGED:
f26a0012 163 color_fprintf(s->fp, c, "unmerged: %s", one);
3a946802 164 break;
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165 default:
166 die("bug: unhandled diff status %c", p->status);
167 }
f26a0012 168 fprintf(s->fp, "\n");
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169 strbuf_release(&onebuf);
170 strbuf_release(&twobuf);
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171}
172
173static void wt_status_print_updated_cb(struct diff_queue_struct *q,
174 struct diff_options *options,
175 void *data)
176{
177 struct wt_status *s = data;
178 int shown_header = 0;
179 int i;
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180 for (i = 0; i < q->nr; i++) {
181 if (q->queue[i]->status == 'U')
182 continue;
183 if (!shown_header) {
f26a0012 184 wt_status_print_cached_header(s);
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185 s->commitable = 1;
186 shown_header = 1;
187 }
f26a0012 188 wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
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189 }
190 if (shown_header)
f26a0012 191 wt_status_print_trailer(s);
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192}
193
194static void wt_status_print_changed_cb(struct diff_queue_struct *q,
195 struct diff_options *options,
196 void *data)
197{
6e458bf6 198 struct wt_status *s = data;
c91f0d92 199 int i;
6e458bf6 200 if (q->nr) {
4d229653 201 const char *msg = use_add_msg;
2a3a3c24 202 s->workdir_dirty = 1;
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203 for (i = 0; i < q->nr; i++)
204 if (q->queue[i]->status == DIFF_STATUS_DELETED) {
205 msg = use_add_rm_msg;
206 break;
207 }
f26a0012 208 wt_status_print_header(s, "Changed but not updated", msg);
6e458bf6 209 }
c91f0d92 210 for (i = 0; i < q->nr; i++)
f26a0012 211 wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
c91f0d92 212 if (q->nr)
f26a0012 213 wt_status_print_trailer(s);
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214}
215
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216static void wt_read_cache(struct wt_status *s)
217{
218 discard_cache();
0f729f21 219 read_cache_from(s->index_file);
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220}
221
52fae7de 222static void wt_status_print_initial(struct wt_status *s)
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223{
224 int i;
367c9886 225 struct strbuf buf;
3a946802 226
367c9886 227 strbuf_init(&buf, 0);
b4e1e4a7 228 wt_read_cache(s);
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229 if (active_nr) {
230 s->commitable = 1;
f26a0012 231 wt_status_print_cached_header(s);
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232 }
233 for (i = 0; i < active_nr; i++) {
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234 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
235 color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
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236 quote_path(active_cache[i]->name, -1,
237 &buf, s->prefix));
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238 }
239 if (active_nr)
f26a0012 240 wt_status_print_trailer(s);
367c9886 241 strbuf_release(&buf);
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242}
243
244static void wt_status_print_updated(struct wt_status *s)
245{
246 struct rev_info rev;
c91f0d92 247 init_revisions(&rev, NULL);
49b8b292 248 setup_revisions(0, NULL, &rev, s->reference);
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249 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
250 rev.diffopt.format_callback = wt_status_print_updated_cb;
251 rev.diffopt.format_callback_data = s;
252 rev.diffopt.detect_rename = 1;
0024a549 253 rev.diffopt.rename_limit = 100;
f714fb84 254 rev.diffopt.break_opt = 0;
b4e1e4a7 255 wt_read_cache(s);
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256 run_diff_index(&rev, 1);
257}
258
259static void wt_status_print_changed(struct wt_status *s)
260{
261 struct rev_info rev;
c91f0d92 262 init_revisions(&rev, "");
49b8b292 263 setup_revisions(0, NULL, &rev, NULL);
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264 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
265 rev.diffopt.format_callback = wt_status_print_changed_cb;
266 rev.diffopt.format_callback_data = s;
b4e1e4a7 267 wt_read_cache(s);
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268 run_diff_files(&rev, 0);
269}
270
6e458bf6 271static void wt_status_print_untracked(struct wt_status *s)
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272{
273 struct dir_struct dir;
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274 int i;
275 int shown_header = 0;
367c9886 276 struct strbuf buf;
c91f0d92 277
367c9886 278 strbuf_init(&buf, 0);
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279 memset(&dir, 0, sizeof(dir));
280
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281 if (!s->untracked) {
282 dir.show_other_directories = 1;
283 dir.hide_empty_directories = 1;
284 }
039bc64e 285 setup_standard_excludes(&dir);
c91f0d92 286
9fc42d60 287 read_directory(&dir, ".", "", 0, NULL);
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288 for(i = 0; i < dir.nr; i++) {
289 /* check for matching entry, which is unmerged; lifted from
290 * builtin-ls-files:show_other_files */
291 struct dir_entry *ent = dir.entries[i];
292 int pos = cache_name_pos(ent->name, ent->len);
293 struct cache_entry *ce;
294 if (0 <= pos)
295 die("bug in wt_status_print_untracked");
296 pos = -pos - 1;
297 if (pos < active_nr) {
298 ce = active_cache[pos];
299 if (ce_namelen(ce) == ent->len &&
300 !memcmp(ce->name, ent->name, ent->len))
301 continue;
302 }
303 if (!shown_header) {
2a3a3c24 304 s->workdir_untracked = 1;
f26a0012 305 wt_status_print_header(s, "Untracked files",
4d229653 306 use_add_to_include_msg);
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307 shown_header = 1;
308 }
f26a0012 309 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
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310 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
311 quote_path(ent->name, ent->len,
312 &buf, s->prefix));
c91f0d92 313 }
367c9886 314 strbuf_release(&buf);
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315}
316
317static void wt_status_print_verbose(struct wt_status *s)
318{
319 struct rev_info rev;
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320 int saved_stdout;
321
322 fflush(s->fp);
323
324 /* Sigh, the entire diff machinery is hardcoded to output to
325 * stdout. Do the dup-dance...*/
326 saved_stdout = dup(STDOUT_FILENO);
327 if (saved_stdout < 0 ||dup2(fileno(s->fp), STDOUT_FILENO) < 0)
328 die("couldn't redirect stdout\n");
329
c91f0d92 330 init_revisions(&rev, NULL);
49b8b292 331 setup_revisions(0, NULL, &rev, s->reference);
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332 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
333 rev.diffopt.detect_rename = 1;
b4e1e4a7 334 wt_read_cache(s);
c91f0d92 335 run_diff_index(&rev, 1);
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336
337 fflush(stdout);
338
339 if (dup2(saved_stdout, STDOUT_FILENO) < 0)
340 die("couldn't restore stdout\n");
341 close(saved_stdout);
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342}
343
344void wt_status_print(struct wt_status *s)
345{
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346 unsigned char sha1[20];
347 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
348
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349 if (s->branch) {
350 const char *on_what = "On branch ";
351 const char *branch_name = s->branch;
cc44c765 352 if (!prefixcmp(branch_name, "refs/heads/"))
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353 branch_name += 11;
354 else if (!strcmp(branch_name, "HEAD")) {
355 branch_name = "";
356 on_what = "Not currently on any branch.";
357 }
f26a0012 358 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
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359 "# %s%s", on_what, branch_name);
360 }
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361
362 if (s->is_initial) {
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363 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
364 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
365 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
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366 wt_status_print_initial(s);
367 }
368 else {
369 wt_status_print_updated(s);
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370 }
371
372 wt_status_print_changed(s);
373 wt_status_print_untracked(s);
374
375 if (s->verbose && !s->is_initial)
376 wt_status_print_verbose(s);
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377 if (!s->commitable) {
378 if (s->amend)
f26a0012 379 fprintf(s->fp, "# No changes\n");
2a3a3c24 380 else if (s->workdir_dirty)
dcbc7bbe 381 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
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382 else if (s->workdir_untracked)
383 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
384 else if (s->is_initial)
385 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
386 else
387 printf("nothing to commit (working directory clean)\n");
6e458bf6 388 }
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389}
390
391int git_status_config(const char *k, const char *v)
392{
a159ca0c 393 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
0f6f5a40 394 wt_status_use_color = git_config_colorbool(k, v, -1);
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395 return 0;
396 }
1968d77d 397 if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
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398 int slot = parse_status_slot(k, 13);
399 color_parse(v, k, wt_status_colors[slot]);
400 }
401 return git_default_config(k, v);
402}