git.oblomov.eu Git - git/blob - 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 #include "quote.h"
  11 #include "run-command.h"
  12 #include "remote.h"
  13
  14 int wt_status_relative_paths = 1;
  15 int wt_status_use_color = -1;
  16 int wt_status_submodule_summary;
  17 static char wt_status_colors[][COLOR_MAXLEN] = {
  18         "",         /* WT_STATUS_HEADER: normal */
  19         "\033[32m", /* WT_STATUS_UPDATED: green */
  20         "\033[31m", /* WT_STATUS_CHANGED: red */
  21         "\033[31m", /* WT_STATUS_UNTRACKED: red */
  22         "\033[31m", /* WT_STATUS_NOBRANCH: red */
  23 };
  24
  25 enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  26
  27 static int parse_status_slot(const char *var, int offset)
  28 {
  29         if (!strcasecmp(var+offset, "header"))
  30                 return WT_STATUS_HEADER;
  31         if (!strcasecmp(var+offset, "updated")
  32                 || !strcasecmp(var+offset, "added"))
  33                 return WT_STATUS_UPDATED;
  34         if (!strcasecmp(var+offset, "changed"))
  35                 return WT_STATUS_CHANGED;
  36         if (!strcasecmp(var+offset, "untracked"))
  37                 return WT_STATUS_UNTRACKED;
  38         if (!strcasecmp(var+offset, "nobranch"))
  39                 return WT_STATUS_NOBRANCH;
  40         die("bad config variable '%s'", var);
  41 }
  42
  43 static const char* color(int slot)
  44 {
  45         return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
  46 }
  47
  48 void wt_status_prepare(struct wt_status *s)
  49 {
  50         unsigned char sha1[20];
  51         const char *head;
  52
  53         memset(s, 0, sizeof(*s));
  54         head = resolve_ref("HEAD", sha1, 0, NULL);
  55         s->branch = head ? xstrdup(head) : NULL;
  56         s->reference = "HEAD";
  57         s->fp = stdout;
  58         s->index_file = get_index_file();
  59 }
  60
  61 static void wt_status_print_cached_header(struct wt_status *s)
  62 {
  63         const char *c = color(WT_STATUS_HEADER);
  64         color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  65         if (!s->is_initial) {
  66                 color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  67         } else {
  68                 color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  69         }
  70         color_fprintf_ln(s->fp, c, "#");
  71 }
  72
  73 static void wt_status_print_dirty_header(struct wt_status *s,
  74                                          int has_deleted)
  75 {
  76         const char *c = color(WT_STATUS_HEADER);
  77         color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  78         if (!has_deleted)
  79                 color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  80         else
  81                 color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  82         color_fprintf_ln(s->fp, c, "#");
  83 }
  84
  85 static void wt_status_print_untracked_header(struct wt_status *s)
  86 {
  87         const char *c = color(WT_STATUS_HEADER);
  88         color_fprintf_ln(s->fp, c, "# Untracked files:");
  89         color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
  90         color_fprintf_ln(s->fp, c, "#");
  91 }
  92
  93 static void wt_status_print_trailer(struct wt_status *s)
  94 {
  95         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  96 }
  97
  98 #define quote_path quote_path_relative
  99
 100 static void wt_status_print_filepair(struct wt_status *s,
 101                                      int t, struct diff_filepair *p)
 102 {
 103         const char *c = color(t);
 104         const char *one, *two;
 105         struct strbuf onebuf, twobuf;
 106
 107         strbuf_init(&onebuf, 0);
 108         strbuf_init(&twobuf, 0);
 109         one = quote_path(p->one->path, -1, &onebuf, s->prefix);
 110         two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 111
 112         color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 113         switch (p->status) {
 114         case DIFF_STATUS_ADDED:
 115                 color_fprintf(s->fp, c, "new file:   %s", one);
 116                 break;
 117         case DIFF_STATUS_COPIED:
 118                 color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 119                 break;
 120         case DIFF_STATUS_DELETED:
 121                 color_fprintf(s->fp, c, "deleted:    %s", one);
 122                 break;
 123         case DIFF_STATUS_MODIFIED:
 124                 color_fprintf(s->fp, c, "modified:   %s", one);
 125                 break;
 126         case DIFF_STATUS_RENAMED:
 127                 color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 128                 break;
 129         case DIFF_STATUS_TYPE_CHANGED:
 130                 color_fprintf(s->fp, c, "typechange: %s", one);
 131                 break;
 132         case DIFF_STATUS_UNKNOWN:
 133                 color_fprintf(s->fp, c, "unknown:    %s", one);
 134                 break;
 135         case DIFF_STATUS_UNMERGED:
 136                 color_fprintf(s->fp, c, "unmerged:   %s", one);
 137                 break;
 138         default:
 139                 die("bug: unhandled diff status %c", p->status);
 140         }
 141         fprintf(s->fp, "\n");
 142         strbuf_release(&onebuf);
 143         strbuf_release(&twobuf);
 144 }
 145
 146 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 147                 struct diff_options *options,
 148                 void *data)
 149 {
 150         struct wt_status *s = data;
 151         int shown_header = 0;
 152         int i;
 153         for (i = 0; i < q->nr; i++) {
 154                 if (q->queue[i]->status == 'U')
 155                         continue;
 156                 if (!shown_header) {
 157                         wt_status_print_cached_header(s);
 158                         s->commitable = 1;
 159                         shown_header = 1;
 160                 }
 161                 wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
 162         }
 163         if (shown_header)
 164                 wt_status_print_trailer(s);
 165 }
 166
 167 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 168                         struct diff_options *options,
 169                         void *data)
 170 {
 171         struct wt_status *s = data;
 172         int i;
 173         if (q->nr) {
 174                 int has_deleted = 0;
 175                 s->workdir_dirty = 1;
 176                 for (i = 0; i < q->nr; i++)
 177                         if (q->queue[i]->status == DIFF_STATUS_DELETED) {
 178                                 has_deleted = 1;
 179                                 break;
 180                         }
 181                 wt_status_print_dirty_header(s, has_deleted);
 182         }
 183         for (i = 0; i < q->nr; i++)
 184                 wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
 185         if (q->nr)
 186                 wt_status_print_trailer(s);
 187 }
 188
 189 static void wt_status_print_initial(struct wt_status *s)
 190 {
 191         int i;
 192         struct strbuf buf;
 193
 194         strbuf_init(&buf, 0);
 195         if (active_nr) {
 196                 s->commitable = 1;
 197                 wt_status_print_cached_header(s);
 198         }
 199         for (i = 0; i < active_nr; i++) {
 200                 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 201                 color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
 202                                 quote_path(active_cache[i]->name, -1,
 203                                            &buf, s->prefix));
 204         }
 205         if (active_nr)
 206                 wt_status_print_trailer(s);
 207         strbuf_release(&buf);
 208 }
 209
 210 static void wt_status_print_updated(struct wt_status *s)
 211 {
 212         struct rev_info rev;
 213         init_revisions(&rev, NULL);
 214         setup_revisions(0, NULL, &rev, s->reference);
 215         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 216         rev.diffopt.format_callback = wt_status_print_updated_cb;
 217         rev.diffopt.format_callback_data = s;
 218         rev.diffopt.detect_rename = 1;
 219         rev.diffopt.rename_limit = 200;
 220         rev.diffopt.break_opt = 0;
 221         run_diff_index(&rev, 1);
 222 }
 223
 224 static void wt_status_print_changed(struct wt_status *s)
 225 {
 226         struct rev_info rev;
 227         init_revisions(&rev, "");
 228         setup_revisions(0, NULL, &rev, NULL);
 229         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 230         rev.diffopt.format_callback = wt_status_print_changed_cb;
 231         rev.diffopt.format_callback_data = s;
 232         run_diff_files(&rev, 0);
 233 }
 234
 235 static void wt_status_print_submodule_summary(struct wt_status *s)
 236 {
 237         struct child_process sm_summary;
 238         char summary_limit[64];
 239         char index[PATH_MAX];
 240         const char *env[] = { index, NULL };
 241         const char *argv[] = {
 242                 "submodule",
 243                 "summary",
 244                 "--cached",
 245                 "--for-status",
 246                 "--summary-limit",
 247                 summary_limit,
 248                 s->amend ? "HEAD^" : "HEAD",
 249                 NULL
 250         };
 251
 252         sprintf(summary_limit, "%d", wt_status_submodule_summary);
 253         snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 254
 255         memset(&sm_summary, 0, sizeof(sm_summary));
 256         sm_summary.argv = argv;
 257         sm_summary.env = env;
 258         sm_summary.git_cmd = 1;
 259         sm_summary.no_stdin = 1;
 260         fflush(s->fp);
 261         sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 262         run_command(&sm_summary);
 263 }
 264
 265 static void wt_status_print_untracked(struct wt_status *s)
 266 {
 267         struct dir_struct dir;
 268         int i;
 269         int shown_header = 0;
 270         struct strbuf buf;
 271
 272         strbuf_init(&buf, 0);
 273         memset(&dir, 0, sizeof(dir));
 274
 275         if (!s->untracked) {
 276                 dir.show_other_directories = 1;
 277                 dir.hide_empty_directories = 1;
 278         }
 279         setup_standard_excludes(&dir);
 280
 281         read_directory(&dir, ".", "", 0, NULL);
 282         for(i = 0; i < dir.nr; i++) {
 283                 /* check for matching entry, which is unmerged; lifted from
 284                  * builtin-ls-files:show_other_files */
 285                 struct dir_entry *ent = dir.entries[i];
 286                 int pos = cache_name_pos(ent->name, ent->len);
 287                 struct cache_entry *ce;
 288                 if (0 <= pos)
 289                         die("bug in wt_status_print_untracked");
 290                 pos = -pos - 1;
 291                 if (pos < active_nr) {
 292                         ce = active_cache[pos];
 293                         if (ce_namelen(ce) == ent->len &&
 294                             !memcmp(ce->name, ent->name, ent->len))
 295                                 continue;
 296                 }
 297                 if (!shown_header) {
 298                         s->workdir_untracked = 1;
 299                         wt_status_print_untracked_header(s);
 300                         shown_header = 1;
 301                 }
 302                 color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 303                 color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 304                                 quote_path(ent->name, ent->len,
 305                                         &buf, s->prefix));
 306         }
 307         strbuf_release(&buf);
 308 }
 309
 310 static void wt_status_print_verbose(struct wt_status *s)
 311 {
 312         struct rev_info rev;
 313
 314         init_revisions(&rev, NULL);
 315         setup_revisions(0, NULL, &rev, s->reference);
 316         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 317         rev.diffopt.detect_rename = 1;
 318         rev.diffopt.file = s->fp;
 319         rev.diffopt.close_file = 0;
 320         run_diff_index(&rev, 1);
 321 }
 322
 323 static void wt_status_print_tracking(struct wt_status *s)
 324 {
 325         struct strbuf sb = STRBUF_INIT;
 326         const char *cp, *ep;
 327         struct branch *branch;
 328
 329         assert(s->branch && !s->is_initial);
 330         if (prefixcmp(s->branch, "refs/heads/"))
 331                 return;
 332         branch = branch_get(s->branch + 11);
 333         if (!format_tracking_info(branch, &sb))
 334                 return;
 335
 336         for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 337                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 338                                  "# %.*s", (int)(ep - cp), cp);
 339         color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 340 }
 341
 342 void wt_status_print(struct wt_status *s)
 343 {
 344         unsigned char sha1[20];
 345         const char *branch_color = color(WT_STATUS_HEADER);
 346
 347         s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 348         if (s->branch) {
 349                 const char *on_what = "On branch ";
 350                 const char *branch_name = s->branch;
 351                 if (!prefixcmp(branch_name, "refs/heads/"))
 352                         branch_name += 11;
 353                 else if (!strcmp(branch_name, "HEAD")) {
 354                         branch_name = "";
 355                         branch_color = color(WT_STATUS_NOBRANCH);
 356                         on_what = "Not currently on any branch.";
 357                 }
 358                 color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
 359                 color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 360                 if (!s->is_initial)
 361                         wt_status_print_tracking(s);
 362         }
 363
 364         if (s->is_initial) {
 365                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 366                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 367                 color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 368                 wt_status_print_initial(s);
 369         }
 370         else {
 371                 wt_status_print_updated(s);
 372         }
 373
 374         wt_status_print_changed(s);
 375         if (wt_status_submodule_summary)
 376                 wt_status_print_submodule_summary(s);
 377         if (show_untracked_files)
 378                 wt_status_print_untracked(s);
 379         else if (s->commitable)
 380                  fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 381
 382         if (s->verbose && !s->is_initial)
 383                 wt_status_print_verbose(s);
 384         if (!s->commitable) {
 385                 if (s->amend)
 386                         fprintf(s->fp, "# No changes\n");
 387                 else if (s->nowarn)
 388                         ; /* nothing */
 389                 else if (s->workdir_dirty)
 390                         printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 391                 else if (s->workdir_untracked)
 392                         printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 393                 else if (s->is_initial)
 394                         printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 395                 else if (!show_untracked_files)
 396                         printf("nothing to commit (use -u to show untracked files)\n");
 397                 else
 398                         printf("nothing to commit (working directory clean)\n");
 399         }
 400 }
 401
 402 int git_status_config(const char *k, const char *v, void *cb)
 403 {
 404         if (!strcmp(k, "status.submodulesummary")) {
 405                 int is_bool;
 406                 wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 407                 if (is_bool && wt_status_submodule_summary)
 408                         wt_status_submodule_summary = -1;
 409                 return 0;
 410         }
 411         if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 412                 wt_status_use_color = git_config_colorbool(k, v, -1);
 413                 return 0;
 414         }
 415         if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 416                 int slot = parse_status_slot(k, 13);
 417                 if (!v)
 418                         return config_error_nonbool(k);
 419                 color_parse(v, k, wt_status_colors[slot]);
 420                 return 0;
 421         }
 422         if (!strcmp(k, "status.relativepaths")) {
 423                 wt_status_relative_paths = git_config_bool(k, v);
 424                 return 0;
 425         }
 426         if (!strcmp(k, "status.showuntrackedfiles")) {
 427                 if (!v)
 428                         return config_error_nonbool(k);
 429                 else if (!strcmp(v, "no"))
 430                         show_untracked_files = SHOW_NO_UNTRACKED_FILES;
 431                 else if (!strcmp(v, "normal"))
 432                         show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 433                 else if (!strcmp(v, "all"))
 434                         show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
 435                 else
 436                         return error("Invalid untracked files mode '%s'", v);
 437                 return 0;
 438         }
 439         return git_color_default_config(k, v, cb);
 440 }