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(git_path("HEAD"), sha1, 0);
  45         s->branch = head ?
  46                     strdup(head + strlen(get_git_dir()) + 1) :
  47                     NULL;
  48
  49         s->reference = "HEAD";
  50         s->amend = 0;
  51         s->verbose = 0;
  52         s->commitable = 0;
  53         s->untracked = 0;
  54 }
  55
  56 static void wt_status_print_header(const char *main, const char *sub)
  57 {
  58         const char *c = color(WT_STATUS_HEADER);
  59         color_printf_ln(c, "# %s:", main);
  60         color_printf_ln(c, "#   (%s)", sub);
  61         color_printf_ln(c, "#");
  62 }
  63
  64 static void wt_status_print_trailer(void)
  65 {
  66         color_printf_ln(color(WT_STATUS_HEADER), "#");
  67 }
  68
  69 static void wt_status_print_filepair(int t, struct diff_filepair *p)
  70 {
  71         const char *c = color(t);
  72         color_printf(color(WT_STATUS_HEADER), "#\t");
  73         switch (p->status) {
  74         case DIFF_STATUS_ADDED:
  75                 color_printf(c, "new file: %s", p->one->path); break;
  76         case DIFF_STATUS_COPIED:
  77                 color_printf(c, "copied: %s -> %s",
  78                                 p->one->path, p->two->path);
  79                 break;
  80         case DIFF_STATUS_DELETED:
  81                 color_printf_ln(c, "deleted: %s", p->one->path); break;
  82         case DIFF_STATUS_MODIFIED:
  83                 color_printf(c, "modified: %s", p->one->path); break;
  84         case DIFF_STATUS_RENAMED:
  85                 color_printf(c, "renamed: %s -> %s",
  86                                 p->one->path, p->two->path);
  87                 break;
  88         case DIFF_STATUS_TYPE_CHANGED:
  89                 color_printf(c, "typechange: %s", p->one->path); break;
  90         case DIFF_STATUS_UNKNOWN:
  91                 color_printf(c, "unknown: %s", p->one->path); break;
  92         case DIFF_STATUS_UNMERGED:
  93                 color_printf(c, "unmerged: %s", p->one->path); break;
  94         default:
  95                 die("bug: unhandled diff status %c", p->status);
  96         }
  97         printf("\n");
  98 }
  99
 100 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 101                 struct diff_options *options,
 102                 void *data)
 103 {
 104         struct wt_status *s = data;
 105         int shown_header = 0;
 106         int i;
 107         if (q->nr) {
 108         }
 109         for (i = 0; i < q->nr; i++) {
 110                 if (q->queue[i]->status == 'U')
 111                         continue;
 112                 if (!shown_header) {
 113                         wt_status_print_header("Updated but not checked in",
 114                                         "will commit");
 115                         s->commitable = 1;
 116                         shown_header = 1;
 117                 }
 118                 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
 119         }
 120         if (shown_header)
 121                 wt_status_print_trailer();
 122 }
 123
 124 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 125                         struct diff_options *options,
 126                         void *data)
 127 {
 128         int i;
 129         if (q->nr)
 130                 wt_status_print_header("Changed but not updated",
 131                                 "use git-update-index to mark for commit");
 132         for (i = 0; i < q->nr; i++)
 133                 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 134         if (q->nr)
 135                 wt_status_print_trailer();
 136 }
 137
 138 void wt_status_print_initial(struct wt_status *s)
 139 {
 140         int i;
 141         read_cache();
 142         if (active_nr) {
 143                 s->commitable = 1;
 144                 wt_status_print_header("Updated but not checked in",
 145                                 "will commit");
 146         }
 147         for (i = 0; i < active_nr; i++) {
 148                 color_printf(color(WT_STATUS_HEADER), "#\t");
 149                 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 150                                 active_cache[i]->name);
 151         }
 152         if (active_nr)
 153                 wt_status_print_trailer();
 154 }
 155
 156 static void wt_status_print_updated(struct wt_status *s)
 157 {
 158         struct rev_info rev;
 159         const char *argv[] = { NULL, NULL, NULL };
 160         argv[1] = s->reference;
 161         init_revisions(&rev, NULL);
 162         setup_revisions(2, argv, &rev, NULL);
 163         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 164         rev.diffopt.format_callback = wt_status_print_updated_cb;
 165         rev.diffopt.format_callback_data = s;
 166         rev.diffopt.detect_rename = 1;
 167         run_diff_index(&rev, 1);
 168 }
 169
 170 static void wt_status_print_changed(struct wt_status *s)
 171 {
 172         struct rev_info rev;
 173         const char *argv[] = { NULL, NULL };
 174         init_revisions(&rev, "");
 175         setup_revisions(1, argv, &rev, NULL);
 176         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 177         rev.diffopt.format_callback = wt_status_print_changed_cb;
 178         rev.diffopt.format_callback_data = s;
 179         run_diff_files(&rev, 0);
 180 }
 181
 182 static void wt_status_print_untracked(const struct wt_status *s)
 183 {
 184         struct dir_struct dir;
 185         const char *x;
 186         int i;
 187         int shown_header = 0;
 188
 189         memset(&dir, 0, sizeof(dir));
 190
 191         dir.exclude_per_dir = ".gitignore";
 192         if (!s->untracked) {
 193                 dir.show_other_directories = 1;
 194                 dir.hide_empty_directories = 1;
 195         }
 196         x = git_path("info/exclude");
 197         if (file_exists(x))
 198                 add_excludes_from_file(&dir, x);
 199
 200         read_directory(&dir, ".", "", 0);
 201         for(i = 0; i < dir.nr; i++) {
 202                 /* check for matching entry, which is unmerged; lifted from
 203                  * builtin-ls-files:show_other_files */
 204                 struct dir_entry *ent = dir.entries[i];
 205                 int pos = cache_name_pos(ent->name, ent->len);
 206                 struct cache_entry *ce;
 207                 if (0 <= pos)
 208                         die("bug in wt_status_print_untracked");
 209                 pos = -pos - 1;
 210                 if (pos < active_nr) {
 211                         ce = active_cache[pos];
 212                         if (ce_namelen(ce) == ent->len &&
 213                             !memcmp(ce->name, ent->name, ent->len))
 214                                 continue;
 215                 }
 216                 if (!shown_header) {
 217                         wt_status_print_header("Untracked files",
 218                                 "use \"git add\" to add to commit");
 219                         shown_header = 1;
 220                 }
 221                 color_printf(color(WT_STATUS_HEADER), "#\t");
 222                 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 223                                 ent->len, ent->name);
 224         }
 225 }
 226
 227 static void wt_status_print_verbose(struct wt_status *s)
 228 {
 229         struct rev_info rev;
 230         const char *argv[] = { NULL, NULL, NULL };
 231         argv[1] = s->reference;
 232         init_revisions(&rev, NULL);
 233         setup_revisions(2, argv, &rev, NULL);
 234         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 235         rev.diffopt.detect_rename = 1;
 236         run_diff_index(&rev, 1);
 237 }
 238
 239 void wt_status_print(struct wt_status *s)
 240 {
 241         if (s->branch && strcmp(s->branch, "refs/heads/master"))
 242                 color_printf_ln(color(WT_STATUS_HEADER),
 243                         "# On branch %s", s->branch);
 244
 245         if (s->is_initial) {
 246                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 247                 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 248                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 249                 wt_status_print_initial(s);
 250         }
 251         else {
 252                 wt_status_print_updated(s);
 253                 discard_cache();
 254         }
 255
 256         wt_status_print_changed(s);
 257         wt_status_print_untracked(s);
 258
 259         if (s->verbose && !s->is_initial)
 260                 wt_status_print_verbose(s);
 261         if (!s->commitable)
 262                 printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
 263 }
 264
 265 int git_status_config(const char *k, const char *v)
 266 {
 267         if (!strcmp(k, "status.color")) {
 268                 wt_status_use_color = git_config_colorbool(k, v);
 269                 return 0;
 270         }
 271         if (!strncmp(k, "status.color.", 13)) {
 272                 int slot = parse_status_slot(k, 13);
 273                 color_parse(v, k, wt_status_colors[slot]);
 274         }
 275         return git_default_config(k, v);
 276 }