wt-status: Actually accept `color.status.BLAH' configuration variables.
[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
8da19775 50 head = resolve_ref("HEAD", sha1, 0, NULL);
f62363fb 51 s->branch = head ? xstrdup(head) : NULL;
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52
53 s->reference = "HEAD";
54 s->amend = 0;
55 s->verbose = 0;
2074cb0a 56 s->untracked = 0;
6e458bf6 57
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58 s->commitable = 0;
59 s->workdir_dirty = 0;
60 s->workdir_untracked = 0;
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61}
62
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63static void wt_status_print_cached_header(const char *reference)
64{
65 const char *c = color(WT_STATUS_HEADER);
3368d11f 66 color_printf_ln(c, "# Changes to be committed:");
3c1eb9cb 67 if (reference) {
3368d11f 68 color_printf_ln(c, "# (use \"git reset %s <file>...\" to unstage)", reference);
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69 } else {
70 color_printf_ln(c, "# (use \"git rm --cached <file>...\" to unstage)");
71 }
72 color_printf_ln(c, "#");
73}
74
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75static void wt_status_print_header(const char *main, const char *sub)
76{
77 const char *c = color(WT_STATUS_HEADER);
78 color_printf_ln(c, "# %s:", main);
79 color_printf_ln(c, "# (%s)", sub);
80 color_printf_ln(c, "#");
81}
82
83static void wt_status_print_trailer(void)
84{
85 color_printf_ln(color(WT_STATUS_HEADER), "#");
86}
87
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88static const char *quote_crlf(const char *in, char *buf, size_t sz)
89{
90 const char *scan;
91 char *out;
92 const char *ret = in;
93
94 for (scan = in, out = buf; *scan; scan++) {
95 int ch = *scan;
96 int quoted;
97
98 switch (ch) {
99 case '\n':
100 quoted = 'n';
101 break;
102 case '\r':
103 quoted = 'r';
104 break;
105 default:
106 *out++ = ch;
107 continue;
108 }
109 *out++ = '\\';
110 *out++ = quoted;
111 ret = buf;
112 }
113 *out = '\0';
114 return ret;
115}
116
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117static void wt_status_print_filepair(int t, struct diff_filepair *p)
118{
119 const char *c = color(t);
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120 const char *one, *two;
121 char onebuf[PATH_MAX], twobuf[PATH_MAX];
122
123 one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
124 two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));
125
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126 color_printf(color(WT_STATUS_HEADER), "#\t");
127 switch (p->status) {
128 case DIFF_STATUS_ADDED:
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129 color_printf(c, "new file: %s", one);
130 break;
c91f0d92 131 case DIFF_STATUS_COPIED:
3a946802 132 color_printf(c, "copied: %s -> %s", one, two);
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133 break;
134 case DIFF_STATUS_DELETED:
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135 color_printf(c, "deleted: %s", one);
136 break;
c91f0d92 137 case DIFF_STATUS_MODIFIED:
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138 color_printf(c, "modified: %s", one);
139 break;
c91f0d92 140 case DIFF_STATUS_RENAMED:
3a946802 141 color_printf(c, "renamed: %s -> %s", one, two);
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142 break;
143 case DIFF_STATUS_TYPE_CHANGED:
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144 color_printf(c, "typechange: %s", one);
145 break;
c91f0d92 146 case DIFF_STATUS_UNKNOWN:
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147 color_printf(c, "unknown: %s", one);
148 break;
c91f0d92 149 case DIFF_STATUS_UNMERGED:
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150 color_printf(c, "unmerged: %s", one);
151 break;
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152 default:
153 die("bug: unhandled diff status %c", p->status);
154 }
155 printf("\n");
156}
157
158static void wt_status_print_updated_cb(struct diff_queue_struct *q,
159 struct diff_options *options,
160 void *data)
161{
162 struct wt_status *s = data;
163 int shown_header = 0;
164 int i;
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165 for (i = 0; i < q->nr; i++) {
166 if (q->queue[i]->status == 'U')
167 continue;
168 if (!shown_header) {
3c1eb9cb 169 wt_status_print_cached_header(s->reference);
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170 s->commitable = 1;
171 shown_header = 1;
172 }
173 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
174 }
175 if (shown_header)
176 wt_status_print_trailer();
177}
178
179static void wt_status_print_changed_cb(struct diff_queue_struct *q,
180 struct diff_options *options,
181 void *data)
182{
6e458bf6 183 struct wt_status *s = data;
c91f0d92 184 int i;
6e458bf6 185 if (q->nr) {
4d229653 186 const char *msg = use_add_msg;
2a3a3c24 187 s->workdir_dirty = 1;
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188 for (i = 0; i < q->nr; i++)
189 if (q->queue[i]->status == DIFF_STATUS_DELETED) {
190 msg = use_add_rm_msg;
191 break;
192 }
193 wt_status_print_header("Changed but not updated", msg);
6e458bf6 194 }
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195 for (i = 0; i < q->nr; i++)
196 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
197 if (q->nr)
198 wt_status_print_trailer();
199}
200
201void wt_status_print_initial(struct wt_status *s)
202{
203 int i;
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204 char buf[PATH_MAX];
205
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206 read_cache();
207 if (active_nr) {
208 s->commitable = 1;
3c1eb9cb 209 wt_status_print_cached_header(NULL);
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210 }
211 for (i = 0; i < active_nr; i++) {
212 color_printf(color(WT_STATUS_HEADER), "#\t");
213 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
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214 quote_crlf(active_cache[i]->name,
215 buf, sizeof(buf)));
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216 }
217 if (active_nr)
218 wt_status_print_trailer();
219}
220
221static void wt_status_print_updated(struct wt_status *s)
222{
223 struct rev_info rev;
c91f0d92 224 init_revisions(&rev, NULL);
49b8b292 225 setup_revisions(0, NULL, &rev, s->reference);
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226 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
227 rev.diffopt.format_callback = wt_status_print_updated_cb;
228 rev.diffopt.format_callback_data = s;
229 rev.diffopt.detect_rename = 1;
230 run_diff_index(&rev, 1);
231}
232
233static void wt_status_print_changed(struct wt_status *s)
234{
235 struct rev_info rev;
c91f0d92 236 init_revisions(&rev, "");
49b8b292 237 setup_revisions(0, NULL, &rev, NULL);
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238 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
239 rev.diffopt.format_callback = wt_status_print_changed_cb;
240 rev.diffopt.format_callback_data = s;
241 run_diff_files(&rev, 0);
242}
243
6e458bf6 244static void wt_status_print_untracked(struct wt_status *s)
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245{
246 struct dir_struct dir;
247 const char *x;
248 int i;
249 int shown_header = 0;
250
251 memset(&dir, 0, sizeof(dir));
252
253 dir.exclude_per_dir = ".gitignore";
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254 if (!s->untracked) {
255 dir.show_other_directories = 1;
256 dir.hide_empty_directories = 1;
257 }
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258 x = git_path("info/exclude");
259 if (file_exists(x))
260 add_excludes_from_file(&dir, x);
261
262 read_directory(&dir, ".", "", 0);
263 for(i = 0; i < dir.nr; i++) {
264 /* check for matching entry, which is unmerged; lifted from
265 * builtin-ls-files:show_other_files */
266 struct dir_entry *ent = dir.entries[i];
267 int pos = cache_name_pos(ent->name, ent->len);
268 struct cache_entry *ce;
269 if (0 <= pos)
270 die("bug in wt_status_print_untracked");
271 pos = -pos - 1;
272 if (pos < active_nr) {
273 ce = active_cache[pos];
274 if (ce_namelen(ce) == ent->len &&
275 !memcmp(ce->name, ent->name, ent->len))
276 continue;
277 }
278 if (!shown_header) {
2a3a3c24 279 s->workdir_untracked = 1;
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280 wt_status_print_header("Untracked files",
281 use_add_to_include_msg);
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282 shown_header = 1;
283 }
284 color_printf(color(WT_STATUS_HEADER), "#\t");
285 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
286 ent->len, ent->name);
287 }
288}
289
290static void wt_status_print_verbose(struct wt_status *s)
291{
292 struct rev_info rev;
c91f0d92 293 init_revisions(&rev, NULL);
49b8b292 294 setup_revisions(0, NULL, &rev, s->reference);
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295 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
296 rev.diffopt.detect_rename = 1;
297 run_diff_index(&rev, 1);
298}
299
300void wt_status_print(struct wt_status *s)
301{
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302 unsigned char sha1[20];
303 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
304
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305 if (s->branch) {
306 const char *on_what = "On branch ";
307 const char *branch_name = s->branch;
308 if (!strncmp(branch_name, "refs/heads/", 11))
309 branch_name += 11;
310 else if (!strcmp(branch_name, "HEAD")) {
311 branch_name = "";
312 on_what = "Not currently on any branch.";
313 }
c91f0d92 314 color_printf_ln(color(WT_STATUS_HEADER),
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315 "# %s%s", on_what, branch_name);
316 }
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317
318 if (s->is_initial) {
319 color_printf_ln(color(WT_STATUS_HEADER), "#");
320 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
321 color_printf_ln(color(WT_STATUS_HEADER), "#");
322 wt_status_print_initial(s);
323 }
324 else {
325 wt_status_print_updated(s);
326 discard_cache();
327 }
328
329 wt_status_print_changed(s);
330 wt_status_print_untracked(s);
331
332 if (s->verbose && !s->is_initial)
333 wt_status_print_verbose(s);
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334 if (!s->commitable) {
335 if (s->amend)
336 printf("# No changes\n");
2a3a3c24 337 else if (s->workdir_dirty)
dcbc7bbe 338 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
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339 else if (s->workdir_untracked)
340 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
341 else if (s->is_initial)
342 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
343 else
344 printf("nothing to commit (working directory clean)\n");
6e458bf6 345 }
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346}
347
348int git_status_config(const char *k, const char *v)
349{
a159ca0c 350 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
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351 wt_status_use_color = git_config_colorbool(k, v);
352 return 0;
353 }
c3e821c6 354 if (!strncmp(k, "status.color.", 13) || !strncmp(k, "color.status.", 13)) {
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355 int slot = parse_status_slot(k, 13);
356 color_parse(v, k, wt_status_colors[slot]);
357 }
358 return git_default_config(k, v);
359}