Merge branch 'maint'
[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         init_revisions(&rev, NULL);
158         setup_revisions(0, NULL, &rev, s->reference);
159         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
160         rev.diffopt.format_callback = wt_status_print_updated_cb;
161         rev.diffopt.format_callback_data = s;
162         rev.diffopt.detect_rename = 1;
163         run_diff_index(&rev, 1);
164 }
165
166 static void wt_status_print_changed(struct wt_status *s)
167 {
168         struct rev_info rev;
169         init_revisions(&rev, "");
170         setup_revisions(0, NULL, &rev, NULL);
171         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
172         rev.diffopt.format_callback = wt_status_print_changed_cb;
173         rev.diffopt.format_callback_data = s;
174         run_diff_files(&rev, 0);
175 }
176
177 static void wt_status_print_untracked(const struct wt_status *s)
178 {
179         struct dir_struct dir;
180         const char *x;
181         int i;
182         int shown_header = 0;
183
184         memset(&dir, 0, sizeof(dir));
185
186         dir.exclude_per_dir = ".gitignore";
187         if (!s->untracked) {
188                 dir.show_other_directories = 1;
189                 dir.hide_empty_directories = 1;
190         }
191         x = git_path("info/exclude");
192         if (file_exists(x))
193                 add_excludes_from_file(&dir, x);
194
195         read_directory(&dir, ".", "", 0);
196         for(i = 0; i < dir.nr; i++) {
197                 /* check for matching entry, which is unmerged; lifted from
198                  * builtin-ls-files:show_other_files */
199                 struct dir_entry *ent = dir.entries[i];
200                 int pos = cache_name_pos(ent->name, ent->len);
201                 struct cache_entry *ce;
202                 if (0 <= pos)
203                         die("bug in wt_status_print_untracked");
204                 pos = -pos - 1;
205                 if (pos < active_nr) {
206                         ce = active_cache[pos];
207                         if (ce_namelen(ce) == ent->len &&
208                             !memcmp(ce->name, ent->name, ent->len))
209                                 continue;
210                 }
211                 if (!shown_header) {
212                         wt_status_print_header("Untracked files",
213                                 "use \"git add\" to add to commit");
214                         shown_header = 1;
215                 }
216                 color_printf(color(WT_STATUS_HEADER), "#\t");
217                 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
218                                 ent->len, ent->name);
219         }
220 }
221
222 static void wt_status_print_verbose(struct wt_status *s)
223 {
224         struct rev_info rev;
225         init_revisions(&rev, NULL);
226         setup_revisions(0, NULL, &rev, s->reference);
227         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
228         rev.diffopt.detect_rename = 1;
229         run_diff_index(&rev, 1);
230 }
231
232 void wt_status_print(struct wt_status *s)
233 {
234         if (s->branch && strcmp(s->branch, "refs/heads/master"))
235                 color_printf_ln(color(WT_STATUS_HEADER),
236                         "# On branch %s", s->branch);
237
238         if (s->is_initial) {
239                 color_printf_ln(color(WT_STATUS_HEADER), "#");
240                 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
241                 color_printf_ln(color(WT_STATUS_HEADER), "#");
242                 wt_status_print_initial(s);
243         }
244         else {
245                 wt_status_print_updated(s);
246                 discard_cache();
247         }
248
249         wt_status_print_changed(s);
250         wt_status_print_untracked(s);
251
252         if (s->verbose && !s->is_initial)
253                 wt_status_print_verbose(s);
254         if (!s->commitable)
255                 printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
256 }
257
258 int git_status_config(const char *k, const char *v)
259 {
260         if (!strcmp(k, "status.color")) {
261                 wt_status_use_color = git_config_colorbool(k, v);
262                 return 0;
263         }
264         if (!strncmp(k, "status.color.", 13)) {
265                 int slot = parse_status_slot(k, 13);
266                 color_parse(v, k, wt_status_colors[slot]);
267         }
268         return git_default_config(k, v);
269 }