Merge branch 'np/types'
[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";
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54}
55
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56static void wt_status_print_cached_header(const char *reference)
57{
58 const char *c = color(WT_STATUS_HEADER);
3368d11f 59 color_printf_ln(c, "# Changes to be committed:");
3c1eb9cb 60 if (reference) {
3368d11f 61 color_printf_ln(c, "# (use \"git reset %s <file>...\" to unstage)", reference);
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62 } else {
63 color_printf_ln(c, "# (use \"git rm --cached <file>...\" to unstage)");
64 }
65 color_printf_ln(c, "#");
66}
67
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68static void wt_status_print_header(const char *main, const char *sub)
69{
70 const char *c = color(WT_STATUS_HEADER);
71 color_printf_ln(c, "# %s:", main);
72 color_printf_ln(c, "# (%s)", sub);
73 color_printf_ln(c, "#");
74}
75
76static void wt_status_print_trailer(void)
77{
78 color_printf_ln(color(WT_STATUS_HEADER), "#");
79}
80
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81static const char *quote_crlf(const char *in, char *buf, size_t sz)
82{
83 const char *scan;
84 char *out;
85 const char *ret = in;
86
87 for (scan = in, out = buf; *scan; scan++) {
88 int ch = *scan;
89 int quoted;
90
91 switch (ch) {
92 case '\n':
93 quoted = 'n';
94 break;
95 case '\r':
96 quoted = 'r';
97 break;
98 default:
99 *out++ = ch;
100 continue;
101 }
102 *out++ = '\\';
103 *out++ = quoted;
104 ret = buf;
105 }
106 *out = '\0';
107 return ret;
108}
109
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110static void wt_status_print_filepair(int t, struct diff_filepair *p)
111{
112 const char *c = color(t);
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113 const char *one, *two;
114 char onebuf[PATH_MAX], twobuf[PATH_MAX];
115
116 one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
117 two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));
118
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119 color_printf(color(WT_STATUS_HEADER), "#\t");
120 switch (p->status) {
121 case DIFF_STATUS_ADDED:
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122 color_printf(c, "new file: %s", one);
123 break;
c91f0d92 124 case DIFF_STATUS_COPIED:
3a946802 125 color_printf(c, "copied: %s -> %s", one, two);
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126 break;
127 case DIFF_STATUS_DELETED:
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128 color_printf(c, "deleted: %s", one);
129 break;
c91f0d92 130 case DIFF_STATUS_MODIFIED:
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131 color_printf(c, "modified: %s", one);
132 break;
c91f0d92 133 case DIFF_STATUS_RENAMED:
3a946802 134 color_printf(c, "renamed: %s -> %s", one, two);
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135 break;
136 case DIFF_STATUS_TYPE_CHANGED:
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137 color_printf(c, "typechange: %s", one);
138 break;
c91f0d92 139 case DIFF_STATUS_UNKNOWN:
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140 color_printf(c, "unknown: %s", one);
141 break;
c91f0d92 142 case DIFF_STATUS_UNMERGED:
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143 color_printf(c, "unmerged: %s", one);
144 break;
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145 default:
146 die("bug: unhandled diff status %c", p->status);
147 }
148 printf("\n");
149}
150
151static void wt_status_print_updated_cb(struct diff_queue_struct *q,
152 struct diff_options *options,
153 void *data)
154{
155 struct wt_status *s = data;
156 int shown_header = 0;
157 int i;
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158 for (i = 0; i < q->nr; i++) {
159 if (q->queue[i]->status == 'U')
160 continue;
161 if (!shown_header) {
3c1eb9cb 162 wt_status_print_cached_header(s->reference);
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163 s->commitable = 1;
164 shown_header = 1;
165 }
166 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
167 }
168 if (shown_header)
169 wt_status_print_trailer();
170}
171
172static void wt_status_print_changed_cb(struct diff_queue_struct *q,
173 struct diff_options *options,
174 void *data)
175{
6e458bf6 176 struct wt_status *s = data;
c91f0d92 177 int i;
6e458bf6 178 if (q->nr) {
4d229653 179 const char *msg = use_add_msg;
2a3a3c24 180 s->workdir_dirty = 1;
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181 for (i = 0; i < q->nr; i++)
182 if (q->queue[i]->status == DIFF_STATUS_DELETED) {
183 msg = use_add_rm_msg;
184 break;
185 }
186 wt_status_print_header("Changed but not updated", msg);
6e458bf6 187 }
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188 for (i = 0; i < q->nr; i++)
189 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
190 if (q->nr)
191 wt_status_print_trailer();
192}
193
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194static void wt_read_cache(struct wt_status *s)
195{
196 discard_cache();
197 read_cache();
198}
199
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200void wt_status_print_initial(struct wt_status *s)
201{
202 int i;
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203 char buf[PATH_MAX];
204
b4e1e4a7 205 wt_read_cache(s);
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206 if (active_nr) {
207 s->commitable = 1;
3c1eb9cb 208 wt_status_print_cached_header(NULL);
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209 }
210 for (i = 0; i < active_nr; i++) {
211 color_printf(color(WT_STATUS_HEADER), "#\t");
212 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
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213 quote_crlf(active_cache[i]->name,
214 buf, sizeof(buf)));
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215 }
216 if (active_nr)
217 wt_status_print_trailer();
218}
219
220static void wt_status_print_updated(struct wt_status *s)
221{
222 struct rev_info rev;
c91f0d92 223 init_revisions(&rev, NULL);
49b8b292 224 setup_revisions(0, NULL, &rev, s->reference);
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225 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
226 rev.diffopt.format_callback = wt_status_print_updated_cb;
227 rev.diffopt.format_callback_data = s;
228 rev.diffopt.detect_rename = 1;
b4e1e4a7 229 wt_read_cache(s);
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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;
b4e1e4a7 241 wt_read_cache(s);
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242 run_diff_files(&rev, 0);
243}
244
6e458bf6 245static void wt_status_print_untracked(struct wt_status *s)
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246{
247 struct dir_struct dir;
248 const char *x;
249 int i;
250 int shown_header = 0;
251
252 memset(&dir, 0, sizeof(dir));
253
254 dir.exclude_per_dir = ".gitignore";
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255 if (!s->untracked) {
256 dir.show_other_directories = 1;
257 dir.hide_empty_directories = 1;
258 }
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259 x = git_path("info/exclude");
260 if (file_exists(x))
261 add_excludes_from_file(&dir, x);
262
263 read_directory(&dir, ".", "", 0);
264 for(i = 0; i < dir.nr; i++) {
265 /* check for matching entry, which is unmerged; lifted from
266 * builtin-ls-files:show_other_files */
267 struct dir_entry *ent = dir.entries[i];
268 int pos = cache_name_pos(ent->name, ent->len);
269 struct cache_entry *ce;
270 if (0 <= pos)
271 die("bug in wt_status_print_untracked");
272 pos = -pos - 1;
273 if (pos < active_nr) {
274 ce = active_cache[pos];
275 if (ce_namelen(ce) == ent->len &&
276 !memcmp(ce->name, ent->name, ent->len))
277 continue;
278 }
279 if (!shown_header) {
2a3a3c24 280 s->workdir_untracked = 1;
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281 wt_status_print_header("Untracked files",
282 use_add_to_include_msg);
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283 shown_header = 1;
284 }
285 color_printf(color(WT_STATUS_HEADER), "#\t");
286 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
287 ent->len, ent->name);
288 }
289}
290
291static void wt_status_print_verbose(struct wt_status *s)
292{
293 struct rev_info rev;
c91f0d92 294 init_revisions(&rev, NULL);
49b8b292 295 setup_revisions(0, NULL, &rev, s->reference);
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296 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
297 rev.diffopt.detect_rename = 1;
b4e1e4a7 298 wt_read_cache(s);
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299 run_diff_index(&rev, 1);
300}
301
302void wt_status_print(struct wt_status *s)
303{
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304 unsigned char sha1[20];
305 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
306
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307 if (s->branch) {
308 const char *on_what = "On branch ";
309 const char *branch_name = s->branch;
cc44c765 310 if (!prefixcmp(branch_name, "refs/heads/"))
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311 branch_name += 11;
312 else if (!strcmp(branch_name, "HEAD")) {
313 branch_name = "";
314 on_what = "Not currently on any branch.";
315 }
c91f0d92 316 color_printf_ln(color(WT_STATUS_HEADER),
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317 "# %s%s", on_what, branch_name);
318 }
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319
320 if (s->is_initial) {
321 color_printf_ln(color(WT_STATUS_HEADER), "#");
322 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
323 color_printf_ln(color(WT_STATUS_HEADER), "#");
324 wt_status_print_initial(s);
325 }
326 else {
327 wt_status_print_updated(s);
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328 }
329
330 wt_status_print_changed(s);
331 wt_status_print_untracked(s);
332
333 if (s->verbose && !s->is_initial)
334 wt_status_print_verbose(s);
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335 if (!s->commitable) {
336 if (s->amend)
337 printf("# No changes\n");
2a3a3c24 338 else if (s->workdir_dirty)
dcbc7bbe 339 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
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340 else if (s->workdir_untracked)
341 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
342 else if (s->is_initial)
343 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
344 else
345 printf("nothing to commit (working directory clean)\n");
6e458bf6 346 }
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347}
348
349int git_status_config(const char *k, const char *v)
350{
a159ca0c 351 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
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352 wt_status_use_color = git_config_colorbool(k, v);
353 return 0;
354 }
1968d77d 355 if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
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356 int slot = parse_status_slot(k, 13);
357 color_parse(v, k, wt_status_colors[slot]);
358 }
359 return git_default_config(k, v);
360}