Cleanup check_valid in commit-tree.
[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
11 int wt_status_use_color = 0;
12 static 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 };
18
19 static const char use_add_msg[] =
20 "use \"git add <file>...\" to update what will be committed";
21 static const char use_add_rm_msg[] =
22 "use \"git add/rm <file>...\" to update what will be committed";
23 static const char use_add_to_include_msg[] =
24 "use \"git add <file>...\" to include in what will be committed";
25
26 static int parse_status_slot(const char *var, int offset)
27 {
28 if (!strcasecmp(var+offset, "header"))
29 return WT_STATUS_HEADER;
30 if (!strcasecmp(var+offset, "updated")
31 || !strcasecmp(var+offset, "added"))
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
40 static const char* color(int slot)
41 {
42 return wt_status_use_color ? wt_status_colors[slot] : "";
43 }
44
45 void wt_status_prepare(struct wt_status *s)
46 {
47 unsigned char sha1[20];
48 const char *head;
49
50 memset(s, 0, sizeof(*s));
51 head = resolve_ref("HEAD", sha1, 0, NULL);
52 s->branch = head ? xstrdup(head) : NULL;
53 s->reference = "HEAD";
54 }
55
56 static void wt_status_print_cached_header(const char *reference)
57 {
58 const char *c = color(WT_STATUS_HEADER);
59 color_printf_ln(c, "# Changes to be committed:");
60 if (reference) {
61 color_printf_ln(c, "# (use \"git reset %s <file>...\" to unstage)", reference);
62 } else {
63 color_printf_ln(c, "# (use \"git rm --cached <file>...\" to unstage)");
64 }
65 color_printf_ln(c, "#");
66 }
67
68 static 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
76 static void wt_status_print_trailer(void)
77 {
78 color_printf_ln(color(WT_STATUS_HEADER), "#");
79 }
80
81 static 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
110 static void wt_status_print_filepair(int t, struct diff_filepair *p)
111 {
112 const char *c = color(t);
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
119 color_printf(color(WT_STATUS_HEADER), "#\t");
120 switch (p->status) {
121 case DIFF_STATUS_ADDED:
122 color_printf(c, "new file: %s", one);
123 break;
124 case DIFF_STATUS_COPIED:
125 color_printf(c, "copied: %s -> %s", one, two);
126 break;
127 case DIFF_STATUS_DELETED:
128 color_printf(c, "deleted: %s", one);
129 break;
130 case DIFF_STATUS_MODIFIED:
131 color_printf(c, "modified: %s", one);
132 break;
133 case DIFF_STATUS_RENAMED:
134 color_printf(c, "renamed: %s -> %s", one, two);
135 break;
136 case DIFF_STATUS_TYPE_CHANGED:
137 color_printf(c, "typechange: %s", one);
138 break;
139 case DIFF_STATUS_UNKNOWN:
140 color_printf(c, "unknown: %s", one);
141 break;
142 case DIFF_STATUS_UNMERGED:
143 color_printf(c, "unmerged: %s", one);
144 break;
145 default:
146 die("bug: unhandled diff status %c", p->status);
147 }
148 printf("\n");
149 }
150
151 static 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;
158 for (i = 0; i < q->nr; i++) {
159 if (q->queue[i]->status == 'U')
160 continue;
161 if (!shown_header) {
162 wt_status_print_cached_header(s->reference);
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
172 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
173 struct diff_options *options,
174 void *data)
175 {
176 struct wt_status *s = data;
177 int i;
178 if (q->nr) {
179 const char *msg = use_add_msg;
180 s->workdir_dirty = 1;
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);
187 }
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
194 void wt_status_print_initial(struct wt_status *s)
195 {
196 int i;
197 char buf[PATH_MAX];
198
199 read_cache();
200 if (active_nr) {
201 s->commitable = 1;
202 wt_status_print_cached_header(NULL);
203 }
204 for (i = 0; i < active_nr; i++) {
205 color_printf(color(WT_STATUS_HEADER), "#\t");
206 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
207 quote_crlf(active_cache[i]->name,
208 buf, sizeof(buf)));
209 }
210 if (active_nr)
211 wt_status_print_trailer();
212 }
213
214 static void wt_status_print_updated(struct wt_status *s)
215 {
216 struct rev_info rev;
217 init_revisions(&rev, NULL);
218 setup_revisions(0, NULL, &rev, s->reference);
219 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
220 rev.diffopt.format_callback = wt_status_print_updated_cb;
221 rev.diffopt.format_callback_data = s;
222 rev.diffopt.detect_rename = 1;
223 run_diff_index(&rev, 1);
224 }
225
226 static void wt_status_print_changed(struct wt_status *s)
227 {
228 struct rev_info rev;
229 init_revisions(&rev, "");
230 setup_revisions(0, NULL, &rev, NULL);
231 rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
232 rev.diffopt.format_callback = wt_status_print_changed_cb;
233 rev.diffopt.format_callback_data = s;
234 run_diff_files(&rev, 0);
235 }
236
237 static void wt_status_print_untracked(struct wt_status *s)
238 {
239 struct dir_struct dir;
240 const char *x;
241 int i;
242 int shown_header = 0;
243
244 memset(&dir, 0, sizeof(dir));
245
246 dir.exclude_per_dir = ".gitignore";
247 if (!s->untracked) {
248 dir.show_other_directories = 1;
249 dir.hide_empty_directories = 1;
250 }
251 x = git_path("info/exclude");
252 if (file_exists(x))
253 add_excludes_from_file(&dir, x);
254
255 read_directory(&dir, ".", "", 0);
256 for(i = 0; i < dir.nr; i++) {
257 /* check for matching entry, which is unmerged; lifted from
258 * builtin-ls-files:show_other_files */
259 struct dir_entry *ent = dir.entries[i];
260 int pos = cache_name_pos(ent->name, ent->len);
261 struct cache_entry *ce;
262 if (0 <= pos)
263 die("bug in wt_status_print_untracked");
264 pos = -pos - 1;
265 if (pos < active_nr) {
266 ce = active_cache[pos];
267 if (ce_namelen(ce) == ent->len &&
268 !memcmp(ce->name, ent->name, ent->len))
269 continue;
270 }
271 if (!shown_header) {
272 s->workdir_untracked = 1;
273 wt_status_print_header("Untracked files",
274 use_add_to_include_msg);
275 shown_header = 1;
276 }
277 color_printf(color(WT_STATUS_HEADER), "#\t");
278 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
279 ent->len, ent->name);
280 }
281 }
282
283 static void wt_status_print_verbose(struct wt_status *s)
284 {
285 struct rev_info rev;
286 init_revisions(&rev, NULL);
287 setup_revisions(0, NULL, &rev, s->reference);
288 rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
289 rev.diffopt.detect_rename = 1;
290 run_diff_index(&rev, 1);
291 }
292
293 void wt_status_print(struct wt_status *s)
294 {
295 unsigned char sha1[20];
296 s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
297
298 if (s->branch) {
299 const char *on_what = "On branch ";
300 const char *branch_name = s->branch;
301 if (!prefixcmp(branch_name, "refs/heads/"))
302 branch_name += 11;
303 else if (!strcmp(branch_name, "HEAD")) {
304 branch_name = "";
305 on_what = "Not currently on any branch.";
306 }
307 color_printf_ln(color(WT_STATUS_HEADER),
308 "# %s%s", on_what, branch_name);
309 }
310
311 if (s->is_initial) {
312 color_printf_ln(color(WT_STATUS_HEADER), "#");
313 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
314 color_printf_ln(color(WT_STATUS_HEADER), "#");
315 wt_status_print_initial(s);
316 }
317 else {
318 wt_status_print_updated(s);
319 discard_cache();
320 }
321
322 wt_status_print_changed(s);
323 wt_status_print_untracked(s);
324
325 if (s->verbose && !s->is_initial)
326 wt_status_print_verbose(s);
327 if (!s->commitable) {
328 if (s->amend)
329 printf("# No changes\n");
330 else if (s->workdir_dirty)
331 printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
332 else if (s->workdir_untracked)
333 printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
334 else if (s->is_initial)
335 printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
336 else
337 printf("nothing to commit (working directory clean)\n");
338 }
339 }
340
341 int git_status_config(const char *k, const char *v)
342 {
343 if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
344 wt_status_use_color = git_config_colorbool(k, v);
345 return 0;
346 }
347 if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
348 int slot = parse_status_slot(k, 13);
349 color_parse(v, k, wt_status_colors[slot]);
350 }
351 return git_default_config(k, v);
352 }