wt-status.con commit Teach git diff about Objective-C syntax (5d1e958)
   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
  14int wt_status_relative_paths = 1;
  15int wt_status_use_color = -1;
  16int wt_status_submodule_summary;
  17static 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
  25enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  26
  27static 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
  43static const char* color(int slot)
  44{
  45        return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
  46}
  47
  48void 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
  61static 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
  73static 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, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
  83        color_fprintf_ln(s->fp, c, "#");
  84}
  85
  86static void wt_status_print_untracked_header(struct wt_status *s)
  87{
  88        const char *c = color(WT_STATUS_HEADER);
  89        color_fprintf_ln(s->fp, c, "# Untracked files:");
  90        color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
  91        color_fprintf_ln(s->fp, c, "#");
  92}
  93
  94static void wt_status_print_trailer(struct wt_status *s)
  95{
  96        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  97}
  98
  99#define quote_path quote_path_relative
 100
 101static void wt_status_print_filepair(struct wt_status *s,
 102                                     int t, struct diff_filepair *p)
 103{
 104        const char *c = color(t);
 105        const char *one, *two;
 106        struct strbuf onebuf, twobuf;
 107
 108        strbuf_init(&onebuf, 0);
 109        strbuf_init(&twobuf, 0);
 110        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
 111        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 112
 113        color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 114        switch (p->status) {
 115        case DIFF_STATUS_ADDED:
 116                color_fprintf(s->fp, c, "new file:   %s", one);
 117                break;
 118        case DIFF_STATUS_COPIED:
 119                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 120                break;
 121        case DIFF_STATUS_DELETED:
 122                color_fprintf(s->fp, c, "deleted:    %s", one);
 123                break;
 124        case DIFF_STATUS_MODIFIED:
 125                color_fprintf(s->fp, c, "modified:   %s", one);
 126                break;
 127        case DIFF_STATUS_RENAMED:
 128                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 129                break;
 130        case DIFF_STATUS_TYPE_CHANGED:
 131                color_fprintf(s->fp, c, "typechange: %s", one);
 132                break;
 133        case DIFF_STATUS_UNKNOWN:
 134                color_fprintf(s->fp, c, "unknown:    %s", one);
 135                break;
 136        case DIFF_STATUS_UNMERGED:
 137                color_fprintf(s->fp, c, "unmerged:   %s", one);
 138                break;
 139        default:
 140                die("bug: unhandled diff status %c", p->status);
 141        }
 142        fprintf(s->fp, "\n");
 143        strbuf_release(&onebuf);
 144        strbuf_release(&twobuf);
 145}
 146
 147static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 148                struct diff_options *options,
 149                void *data)
 150{
 151        struct wt_status *s = data;
 152        int shown_header = 0;
 153        int i;
 154        for (i = 0; i < q->nr; i++) {
 155                if (q->queue[i]->status == 'U')
 156                        continue;
 157                if (!shown_header) {
 158                        wt_status_print_cached_header(s);
 159                        s->commitable = 1;
 160                        shown_header = 1;
 161                }
 162                wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
 163        }
 164        if (shown_header)
 165                wt_status_print_trailer(s);
 166}
 167
 168static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 169                        struct diff_options *options,
 170                        void *data)
 171{
 172        struct wt_status *s = data;
 173        int i;
 174        if (q->nr) {
 175                int has_deleted = 0;
 176                s->workdir_dirty = 1;
 177                for (i = 0; i < q->nr; i++)
 178                        if (q->queue[i]->status == DIFF_STATUS_DELETED) {
 179                                has_deleted = 1;
 180                                break;
 181                        }
 182                wt_status_print_dirty_header(s, has_deleted);
 183        }
 184        for (i = 0; i < q->nr; i++)
 185                wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
 186        if (q->nr)
 187                wt_status_print_trailer(s);
 188}
 189
 190static void wt_status_print_initial(struct wt_status *s)
 191{
 192        int i;
 193        struct strbuf buf;
 194
 195        strbuf_init(&buf, 0);
 196        if (active_nr) {
 197                s->commitable = 1;
 198                wt_status_print_cached_header(s);
 199        }
 200        for (i = 0; i < active_nr; i++) {
 201                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 202                color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
 203                                quote_path(active_cache[i]->name, -1,
 204                                           &buf, s->prefix));
 205        }
 206        if (active_nr)
 207                wt_status_print_trailer(s);
 208        strbuf_release(&buf);
 209}
 210
 211static void wt_status_print_updated(struct wt_status *s)
 212{
 213        struct rev_info rev;
 214        init_revisions(&rev, NULL);
 215        setup_revisions(0, NULL, &rev, s->reference);
 216        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 217        rev.diffopt.format_callback = wt_status_print_updated_cb;
 218        rev.diffopt.format_callback_data = s;
 219        rev.diffopt.detect_rename = 1;
 220        rev.diffopt.rename_limit = 200;
 221        rev.diffopt.break_opt = 0;
 222        run_diff_index(&rev, 1);
 223}
 224
 225static void wt_status_print_changed(struct wt_status *s)
 226{
 227        struct rev_info rev;
 228        init_revisions(&rev, "");
 229        setup_revisions(0, NULL, &rev, NULL);
 230        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 231        rev.diffopt.format_callback = wt_status_print_changed_cb;
 232        rev.diffopt.format_callback_data = s;
 233        run_diff_files(&rev, 0);
 234}
 235
 236static void wt_status_print_submodule_summary(struct wt_status *s)
 237{
 238        struct child_process sm_summary;
 239        char summary_limit[64];
 240        char index[PATH_MAX];
 241        const char *env[] = { index, NULL };
 242        const char *argv[] = {
 243                "submodule",
 244                "summary",
 245                "--cached",
 246                "--for-status",
 247                "--summary-limit",
 248                summary_limit,
 249                s->amend ? "HEAD^" : "HEAD",
 250                NULL
 251        };
 252
 253        sprintf(summary_limit, "%d", wt_status_submodule_summary);
 254        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 255
 256        memset(&sm_summary, 0, sizeof(sm_summary));
 257        sm_summary.argv = argv;
 258        sm_summary.env = env;
 259        sm_summary.git_cmd = 1;
 260        sm_summary.no_stdin = 1;
 261        fflush(s->fp);
 262        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 263        run_command(&sm_summary);
 264}
 265
 266static void wt_status_print_untracked(struct wt_status *s)
 267{
 268        struct dir_struct dir;
 269        int i;
 270        int shown_header = 0;
 271        struct strbuf buf;
 272
 273        strbuf_init(&buf, 0);
 274        memset(&dir, 0, sizeof(dir));
 275
 276        if (!s->untracked) {
 277                dir.show_other_directories = 1;
 278                dir.hide_empty_directories = 1;
 279        }
 280        setup_standard_excludes(&dir);
 281
 282        read_directory(&dir, ".", "", 0, NULL);
 283        for(i = 0; i < dir.nr; i++) {
 284                /* check for matching entry, which is unmerged; lifted from
 285                 * builtin-ls-files:show_other_files */
 286                struct dir_entry *ent = dir.entries[i];
 287                int pos = cache_name_pos(ent->name, ent->len);
 288                struct cache_entry *ce;
 289                if (0 <= pos)
 290                        die("bug in wt_status_print_untracked");
 291                pos = -pos - 1;
 292                if (pos < active_nr) {
 293                        ce = active_cache[pos];
 294                        if (ce_namelen(ce) == ent->len &&
 295                            !memcmp(ce->name, ent->name, ent->len))
 296                                continue;
 297                }
 298                if (!shown_header) {
 299                        s->workdir_untracked = 1;
 300                        wt_status_print_untracked_header(s);
 301                        shown_header = 1;
 302                }
 303                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 304                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 305                                quote_path(ent->name, ent->len,
 306                                        &buf, s->prefix));
 307        }
 308        strbuf_release(&buf);
 309}
 310
 311static void wt_status_print_verbose(struct wt_status *s)
 312{
 313        struct rev_info rev;
 314
 315        init_revisions(&rev, NULL);
 316        setup_revisions(0, NULL, &rev, s->reference);
 317        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 318        rev.diffopt.detect_rename = 1;
 319        rev.diffopt.file = s->fp;
 320        rev.diffopt.close_file = 0;
 321        run_diff_index(&rev, 1);
 322}
 323
 324static void wt_status_print_tracking(struct wt_status *s)
 325{
 326        struct strbuf sb = STRBUF_INIT;
 327        const char *cp, *ep;
 328        struct branch *branch;
 329
 330        assert(s->branch && !s->is_initial);
 331        if (prefixcmp(s->branch, "refs/heads/"))
 332                return;
 333        branch = branch_get(s->branch + 11);
 334        if (!format_tracking_info(branch, &sb))
 335                return;
 336
 337        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 338                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 339                                 "# %.*s", (int)(ep - cp), cp);
 340        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 341}
 342
 343void wt_status_print(struct wt_status *s)
 344{
 345        unsigned char sha1[20];
 346        const char *branch_color = color(WT_STATUS_HEADER);
 347
 348        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 349        if (s->branch) {
 350                const char *on_what = "On branch ";
 351                const char *branch_name = s->branch;
 352                if (!prefixcmp(branch_name, "refs/heads/"))
 353                        branch_name += 11;
 354                else if (!strcmp(branch_name, "HEAD")) {
 355                        branch_name = "";
 356                        branch_color = color(WT_STATUS_NOBRANCH);
 357                        on_what = "Not currently on any branch.";
 358                }
 359                color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
 360                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 361                if (!s->is_initial)
 362                        wt_status_print_tracking(s);
 363        }
 364
 365        if (s->is_initial) {
 366                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 367                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 368                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 369                wt_status_print_initial(s);
 370        }
 371        else {
 372                wt_status_print_updated(s);
 373        }
 374
 375        wt_status_print_changed(s);
 376        if (wt_status_submodule_summary)
 377                wt_status_print_submodule_summary(s);
 378        if (show_untracked_files)
 379                wt_status_print_untracked(s);
 380        else if (s->commitable)
 381                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 382
 383        if (s->verbose && !s->is_initial)
 384                wt_status_print_verbose(s);
 385        if (!s->commitable) {
 386                if (s->amend)
 387                        fprintf(s->fp, "# No changes\n");
 388                else if (s->nowarn)
 389                        ; /* nothing */
 390                else if (s->workdir_dirty)
 391                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 392                else if (s->workdir_untracked)
 393                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 394                else if (s->is_initial)
 395                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 396                else if (!show_untracked_files)
 397                        printf("nothing to commit (use -u to show untracked files)\n");
 398                else
 399                        printf("nothing to commit (working directory clean)\n");
 400        }
 401}
 402
 403int git_status_config(const char *k, const char *v, void *cb)
 404{
 405        if (!strcmp(k, "status.submodulesummary")) {
 406                int is_bool;
 407                wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 408                if (is_bool && wt_status_submodule_summary)
 409                        wt_status_submodule_summary = -1;
 410                return 0;
 411        }
 412        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 413                wt_status_use_color = git_config_colorbool(k, v, -1);
 414                return 0;
 415        }
 416        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 417                int slot = parse_status_slot(k, 13);
 418                if (!v)
 419                        return config_error_nonbool(k);
 420                color_parse(v, k, wt_status_colors[slot]);
 421                return 0;
 422        }
 423        if (!strcmp(k, "status.relativepaths")) {
 424                wt_status_relative_paths = git_config_bool(k, v);
 425                return 0;
 426        }
 427        if (!strcmp(k, "status.showuntrackedfiles")) {
 428                if (!v)
 429                        return config_error_nonbool(k);
 430                else if (!strcmp(v, "no"))
 431                        show_untracked_files = SHOW_NO_UNTRACKED_FILES;
 432                else if (!strcmp(v, "normal"))
 433                        show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 434                else if (!strcmp(v, "all"))
 435                        show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
 436                else
 437                        return error("Invalid untracked files mode '%s'", v);
 438                return 0;
 439        }
 440        return git_color_default_config(k, v, cb);
 441}