Merge branch 'master' into lj/refs
[git] / wt-status.c
1 #include "wt-status.h"
2 #include "color.h"
3 #include "cache.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 int parse_status_slot(const char *var, int offset)
20 {
21         if (!strcasecmp(var+offset, "header"))
22                 return WT_STATUS_HEADER;
23         if (!strcasecmp(var+offset, "updated"))
24                 return WT_STATUS_UPDATED;
25         if (!strcasecmp(var+offset, "changed"))
26                 return WT_STATUS_CHANGED;
27         if (!strcasecmp(var+offset, "untracked"))
28                 return WT_STATUS_UNTRACKED;
29         die("bad config variable '%s'", var);
30 }
31
32 static const char* color(int slot)
33 {
34         return wt_status_use_color ? wt_status_colors[slot] : "";
35 }
36
37 void wt_status_prepare(struct wt_status *s)
38 {
39         unsigned char sha1[20];
40         const char *head;
41
42         s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0;
43
44         head = resolve_ref("HEAD", sha1, 0, NULL);
45         s->branch = head ? xstrdup(head) : NULL;
46
47         s->reference = "HEAD";
48         s->amend = 0;
49         s->verbose = 0;
50         s->commitable = 0;
51         s->untracked = 0;
52 }
53
54 static void wt_status_print_header(const char *main, const char *sub)
55 {
56         const char *c = color(WT_STATUS_HEADER);
57         color_printf_ln(c, "# %s:", main);
58         color_printf_ln(c, "#   (%s)", sub);
59         color_printf_ln(c, "#");
60 }
61
62 static void wt_status_print_trailer(void)
63 {
64         color_printf_ln(color(WT_STATUS_HEADER), "#");
65 }
66
67 static void wt_status_print_filepair(int t, struct diff_filepair *p)
68 {
69         const char *c = color(t);
70         color_printf(color(WT_STATUS_HEADER), "#\t");
71         switch (p->status) {
72         case DIFF_STATUS_ADDED:
73                 color_printf(c, "new file: %s", p->one->path); break;
74         case DIFF_STATUS_COPIED:
75                 color_printf(c, "copied: %s -> %s",
76                                 p->one->path, p->two->path);
77                 break;
78         case DIFF_STATUS_DELETED:
79                 color_printf(c, "deleted: %s", p->one->path); break;
80         case DIFF_STATUS_MODIFIED:
81                 color_printf(c, "modified: %s", p->one->path); break;
82         case DIFF_STATUS_RENAMED:
83                 color_printf(c, "renamed: %s -> %s",
84                                 p->one->path, p->two->path);
85                 break;
86         case DIFF_STATUS_TYPE_CHANGED:
87                 color_printf(c, "typechange: %s", p->one->path); break;
88         case DIFF_STATUS_UNKNOWN:
89                 color_printf(c, "unknown: %s", p->one->path); break;
90         case DIFF_STATUS_UNMERGED:
91                 color_printf(c, "unmerged: %s", p->one->path); break;
92         default:
93                 die("bug: unhandled diff status %c", p->status);
94         }
95         printf("\n");
96 }
97
98 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
99                 struct diff_options *options,
100                 void *data)
101 {
102         struct wt_status *s = data;
103         int shown_header = 0;
104         int i;
105         if (q->nr) {
106         }
107         for (i = 0; i < q->nr; i++) {
108                 if (q->queue[i]->status == 'U')
109                         continue;
110                 if (!shown_header) {
111                         wt_status_print_header("Updated but not checked in",
112                                         "will commit");
113                         s->commitable = 1;
114                         shown_header = 1;
115                 }
116                 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
117         }
118         if (shown_header)
119                 wt_status_print_trailer();
120 }
121
122 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
123                         struct diff_options *options,
124                         void *data)
125 {
126         int i;
127         if (q->nr)
128                 wt_status_print_header("Changed but not updated",
129                                 "use git-update-index to mark for commit");
130         for (i = 0; i < q->nr; i++)
131                 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
132         if (q->nr)
133                 wt_status_print_trailer();
134 }
135
136 void wt_status_print_initial(struct wt_status *s)
137 {
138         int i;
139         read_cache();
140         if (active_nr) {
141                 s->commitable = 1;
142                 wt_status_print_header("Updated but not checked in",
143                                 "will commit");
144         }
145         for (i = 0; i < active_nr; i++) {
146                 color_printf(color(WT_STATUS_HEADER), "#\t");
147                 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
148                                 active_cache[i]->name);
149         }
150         if (active_nr)
151                 wt_status_print_trailer();
152 }
153
154 static void wt_status_print_updated(struct wt_status *s)
155 {
156         struct rev_info rev;
157         const char *argv[] = { NULL, NULL, NULL };
158         argv[1] = s->reference;
159         init_revisions(&rev, NULL);
160         setup_revisions(2, argv, &rev, NULL);
161         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
162         rev.diffopt.format_callback = wt_status_print_updated_cb;
163         rev.diffopt.format_callback_data = s;
164         rev.diffopt.detect_rename = 1;
165         run_diff_index(&rev, 1);
166 }
167
168 static void wt_status_print_changed(struct wt_status *s)
169 {
170         struct rev_info rev;
171         const char *argv[] = { NULL, NULL };
172         init_revisions(&rev, "");
173         setup_revisions(1, argv, &rev, NULL);
174         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
175         rev.diffopt.format_callback = wt_status_print_changed_cb;
176         rev.diffopt.format_callback_data = s;
177         run_diff_files(&rev, 0);
178 }
179
180 static void wt_status_print_untracked(const struct wt_status *s)
181 {
182         struct dir_struct dir;
183         const char *x;
184         int i;
185         int shown_header = 0;
186
187         memset(&dir, 0, sizeof(dir));
188
189         dir.exclude_per_dir = ".gitignore";
190         if (!s->untracked) {
191                 dir.show_other_directories = 1;
192                 dir.hide_empty_directories = 1;
193         }
194         x = git_path("info/exclude");
195         if (file_exists(x))
196                 add_excludes_from_file(&dir, x);
197
198         read_directory(&dir, ".", "", 0);
199         for(i = 0; i < dir.nr; i++) {
200                 /* check for matching entry, which is unmerged; lifted from
201                  * builtin-ls-files:show_other_files */
202                 struct dir_entry *ent = dir.entries[i];
203                 int pos = cache_name_pos(ent->name, ent->len);
204                 struct cache_entry *ce;
205                 if (0 <= pos)
206                         die("bug in wt_status_print_untracked");
207                 pos = -pos - 1;
208                 if (pos < active_nr) {
209                         ce = active_cache[pos];
210                         if (ce_namelen(ce) == ent->len &&
211                             !memcmp(ce->name, ent->name, ent->len))
212                                 continue;
213                 }
214                 if (!shown_header) {
215                         wt_status_print_header("Untracked files",
216                                 "use \"git add\" to add to commit");
217                         shown_header = 1;
218                 }
219                 color_printf(color(WT_STATUS_HEADER), "#\t");
220                 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
221                                 ent->len, ent->name);
222         }
223 }
224
225 static void wt_status_print_verbose(struct wt_status *s)
226 {
227         struct rev_info rev;
228         const char *argv[] = { NULL, NULL, NULL };
229         argv[1] = s->reference;
230         init_revisions(&rev, NULL);
231         setup_revisions(2, argv, &rev, NULL);
232         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
233         rev.diffopt.detect_rename = 1;
234         run_diff_index(&rev, 1);
235 }
236
237 void wt_status_print(struct wt_status *s)
238 {
239         if (s->branch && strcmp(s->branch, "refs/heads/master"))
240                 color_printf_ln(color(WT_STATUS_HEADER),
241                         "# On branch %s", s->branch);
242
243         if (s->is_initial) {
244                 color_printf_ln(color(WT_STATUS_HEADER), "#");
245                 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
246                 color_printf_ln(color(WT_STATUS_HEADER), "#");
247                 wt_status_print_initial(s);
248         }
249         else {
250                 wt_status_print_updated(s);
251                 discard_cache();
252         }
253
254         wt_status_print_changed(s);
255         wt_status_print_untracked(s);
256
257         if (s->verbose && !s->is_initial)
258                 wt_status_print_verbose(s);
259         if (!s->commitable)
260                 printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
261 }
262
263 int git_status_config(const char *k, const char *v)
264 {
265         if (!strcmp(k, "status.color")) {
266                 wt_status_use_color = git_config_colorbool(k, v);
267                 return 0;
268         }
269         if (!strncmp(k, "status.color.", 13)) {
270                 int slot = parse_status_slot(k, 13);
271                 color_parse(v, k, wt_status_colors[slot]);
272         }
273         return git_default_config(k, v);
274 }