Andrew's git - gitweb.git/blob

   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;
  16static int wt_status_submodule_summary;
  17static char wt_status_colors[][COLOR_MAXLEN] = {
  18        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
  19        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
  20        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
  21        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
  22        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
  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        s->change.strdup_strings = 1;
  60}
  61
  62static void wt_status_print_cached_header(struct wt_status *s)
  63{
  64        const char *c = color(WT_STATUS_HEADER);
  65        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  66        if (!s->is_initial) {
  67                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  68        } else {
  69                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  70        }
  71        color_fprintf_ln(s->fp, c, "#");
  72}
  73
  74static void wt_status_print_dirty_header(struct wt_status *s,
  75                                         int has_deleted)
  76{
  77        const char *c = color(WT_STATUS_HEADER);
  78        color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  79        if (!has_deleted)
  80                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  81        else
  82                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  83        color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
  84        color_fprintf_ln(s->fp, c, "#");
  85}
  86
  87static void wt_status_print_untracked_header(struct wt_status *s)
  88{
  89        const char *c = color(WT_STATUS_HEADER);
  90        color_fprintf_ln(s->fp, c, "# Untracked files:");
  91        color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
  92        color_fprintf_ln(s->fp, c, "#");
  93}
  94
  95static void wt_status_print_trailer(struct wt_status *s)
  96{
  97        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  98}
  99
 100#define quote_path quote_path_relative
 101
 102static void wt_status_print_change_data(struct wt_status *s,
 103                                        int change_type,
 104                                        struct string_list_item *it)
 105{
 106        struct wt_status_change_data *d = it->util;
 107        const char *c = color(change_type);
 108        int status = status;
 109        char *one_name;
 110        char *two_name;
 111        const char *one, *two;
 112        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 113
 114        one_name = two_name = it->string;
 115        switch (change_type) {
 116        case WT_STATUS_UPDATED:
 117                status = d->index_status;
 118                if (d->head_path)
 119                        one_name = d->head_path;
 120                break;
 121        case WT_STATUS_CHANGED:
 122                status = d->worktree_status;
 123                break;
 124        }
 125
 126        one = quote_path(one_name, -1, &onebuf, s->prefix);
 127        two = quote_path(two_name, -1, &twobuf, s->prefix);
 128
 129        color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 130        switch (status) {
 131        case DIFF_STATUS_ADDED:
 132                color_fprintf(s->fp, c, "new file:   %s", one);
 133                break;
 134        case DIFF_STATUS_COPIED:
 135                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 136                break;
 137        case DIFF_STATUS_DELETED:
 138                color_fprintf(s->fp, c, "deleted:    %s", one);
 139                break;
 140        case DIFF_STATUS_MODIFIED:
 141                color_fprintf(s->fp, c, "modified:   %s", one);
 142                break;
 143        case DIFF_STATUS_RENAMED:
 144                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 145                break;
 146        case DIFF_STATUS_TYPE_CHANGED:
 147                color_fprintf(s->fp, c, "typechange: %s", one);
 148                break;
 149        case DIFF_STATUS_UNKNOWN:
 150                color_fprintf(s->fp, c, "unknown:    %s", one);
 151                break;
 152        case DIFF_STATUS_UNMERGED:
 153                color_fprintf(s->fp, c, "unmerged:   %s", one);
 154                break;
 155        default:
 156                die("bug: unhandled diff status %c", status);
 157        }
 158        fprintf(s->fp, "\n");
 159        strbuf_release(&onebuf);
 160        strbuf_release(&twobuf);
 161}
 162
 163static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 164                                         struct diff_options *options,
 165                                         void *data)
 166{
 167        struct wt_status *s = data;
 168        int i;
 169
 170        if (!q->nr)
 171                return;
 172        s->workdir_dirty = 1;
 173        for (i = 0; i < q->nr; i++) {
 174                struct diff_filepair *p;
 175                struct string_list_item *it;
 176                struct wt_status_change_data *d;
 177
 178                p = q->queue[i];
 179                it = string_list_insert(p->one->path, &s->change);
 180                d = it->util;
 181                if (!d) {
 182                        d = xcalloc(1, sizeof(*d));
 183                        it->util = d;
 184                }
 185                if (!d->worktree_status)
 186                        d->worktree_status = p->status;
 187        }
 188}
 189
 190static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 191                                         struct diff_options *options,
 192                                         void *data)
 193{
 194        struct wt_status *s = data;
 195        int i;
 196
 197        for (i = 0; i < q->nr; i++) {
 198                struct diff_filepair *p;
 199                struct string_list_item *it;
 200                struct wt_status_change_data *d;
 201
 202                p = q->queue[i];
 203                it = string_list_insert(p->two->path, &s->change);
 204                d = it->util;
 205                if (!d) {
 206                        d = xcalloc(1, sizeof(*d));
 207                        it->util = d;
 208                }
 209                if (!d->index_status)
 210                        d->index_status = p->status;
 211                switch (p->status) {
 212                case DIFF_STATUS_COPIED:
 213                case DIFF_STATUS_RENAMED:
 214                        d->head_path = xstrdup(p->one->path);
 215                        break;
 216                }
 217        }
 218}
 219
 220static void wt_status_collect_changes_worktree(struct wt_status *s)
 221{
 222        struct rev_info rev;
 223
 224        init_revisions(&rev, NULL);
 225        setup_revisions(0, NULL, &rev, NULL);
 226        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 227        rev.diffopt.format_callback = wt_status_collect_changed_cb;
 228        rev.diffopt.format_callback_data = s;
 229        run_diff_files(&rev, 0);
 230}
 231
 232static void wt_status_collect_changes_index(struct wt_status *s)
 233{
 234        struct rev_info rev;
 235
 236        init_revisions(&rev, NULL);
 237        setup_revisions(0, NULL, &rev,
 238                s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 239        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 240        rev.diffopt.format_callback = wt_status_collect_updated_cb;
 241        rev.diffopt.format_callback_data = s;
 242        rev.diffopt.detect_rename = 1;
 243        rev.diffopt.rename_limit = 200;
 244        rev.diffopt.break_opt = 0;
 245        run_diff_index(&rev, 1);
 246}
 247
 248static void wt_status_collect_changes_initial(struct wt_status *s)
 249{
 250        int i;
 251
 252        for (i = 0; i < active_nr; i++) {
 253                struct string_list_item *it;
 254                struct wt_status_change_data *d;
 255                struct cache_entry *ce = active_cache[i];
 256
 257                it = string_list_insert(ce->name, &s->change);
 258                d = it->util;
 259                if (!d) {
 260                        d = xcalloc(1, sizeof(*d));
 261                        it->util = d;
 262                }
 263                if (ce_stage(ce))
 264                        d->index_status = DIFF_STATUS_UNMERGED;
 265                else
 266                        d->index_status = DIFF_STATUS_ADDED;
 267        }
 268}
 269
 270void wt_status_collect_changes(struct wt_status *s)
 271{
 272        wt_status_collect_changes_worktree(s);
 273
 274        if (s->is_initial)
 275                wt_status_collect_changes_initial(s);
 276        else
 277                wt_status_collect_changes_index(s);
 278}
 279
 280static void wt_status_print_updated(struct wt_status *s)
 281{
 282        int shown_header = 0;
 283        int i;
 284
 285        for (i = 0; i < s->change.nr; i++) {
 286                struct wt_status_change_data *d;
 287                struct string_list_item *it;
 288                it = &(s->change.items[i]);
 289                d = it->util;
 290                if (!d->index_status ||
 291                    d->index_status == DIFF_STATUS_UNMERGED)
 292                        continue;
 293                if (!shown_header) {
 294                        wt_status_print_cached_header(s);
 295                        s->commitable = 1;
 296                        shown_header = 1;
 297                }
 298                wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
 299        }
 300        if (shown_header)
 301                wt_status_print_trailer(s);
 302}
 303
 304/*
 305 * -1 : has delete
 306 *  0 : no change
 307 *  1 : some change but no delete
 308 */
 309static int wt_status_check_worktree_changes(struct wt_status *s)
 310{
 311        int i;
 312        int changes = 0;
 313
 314        for (i = 0; i < s->change.nr; i++) {
 315                struct wt_status_change_data *d;
 316                d = s->change.items[i].util;
 317                if (!d->worktree_status)
 318                        continue;
 319                changes = 1;
 320                if (d->worktree_status == DIFF_STATUS_DELETED)
 321                        return -1;
 322        }
 323        return changes;
 324}
 325
 326static void wt_status_print_changed(struct wt_status *s)
 327{
 328        int i;
 329        int worktree_changes = wt_status_check_worktree_changes(s);
 330
 331        if (!worktree_changes)
 332                return;
 333
 334        wt_status_print_dirty_header(s, worktree_changes < 0);
 335
 336        for (i = 0; i < s->change.nr; i++) {
 337                struct wt_status_change_data *d;
 338                struct string_list_item *it;
 339                it = &(s->change.items[i]);
 340                d = it->util;
 341                if (!d->worktree_status)
 342                        continue;
 343                wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
 344        }
 345        wt_status_print_trailer(s);
 346}
 347
 348static void wt_status_print_submodule_summary(struct wt_status *s)
 349{
 350        struct child_process sm_summary;
 351        char summary_limit[64];
 352        char index[PATH_MAX];
 353        const char *env[] = { index, NULL };
 354        const char *argv[] = {
 355                "submodule",
 356                "summary",
 357                "--cached",
 358                "--for-status",
 359                "--summary-limit",
 360                summary_limit,
 361                s->amend ? "HEAD^" : "HEAD",
 362                NULL
 363        };
 364
 365        sprintf(summary_limit, "%d", wt_status_submodule_summary);
 366        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 367
 368        memset(&sm_summary, 0, sizeof(sm_summary));
 369        sm_summary.argv = argv;
 370        sm_summary.env = env;
 371        sm_summary.git_cmd = 1;
 372        sm_summary.no_stdin = 1;
 373        fflush(s->fp);
 374        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 375        run_command(&sm_summary);
 376}
 377
 378static void wt_status_print_untracked(struct wt_status *s)
 379{
 380        struct dir_struct dir;
 381        int i;
 382        int shown_header = 0;
 383        struct strbuf buf = STRBUF_INIT;
 384
 385        memset(&dir, 0, sizeof(dir));
 386
 387        if (!s->untracked)
 388                dir.flags |=
 389                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
 390        setup_standard_excludes(&dir);
 391
 392        fill_directory(&dir, NULL);
 393        for(i = 0; i < dir.nr; i++) {
 394                struct dir_entry *ent = dir.entries[i];
 395                if (!cache_name_is_other(ent->name, ent->len))
 396                        continue;
 397                if (!shown_header) {
 398                        s->workdir_untracked = 1;
 399                        wt_status_print_untracked_header(s);
 400                        shown_header = 1;
 401                }
 402                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 403                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 404                                quote_path(ent->name, ent->len,
 405                                        &buf, s->prefix));
 406        }
 407        strbuf_release(&buf);
 408}
 409
 410static void wt_status_print_verbose(struct wt_status *s)
 411{
 412        struct rev_info rev;
 413
 414        init_revisions(&rev, NULL);
 415        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 416        setup_revisions(0, NULL, &rev,
 417                s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 418        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 419        rev.diffopt.detect_rename = 1;
 420        rev.diffopt.file = s->fp;
 421        rev.diffopt.close_file = 0;
 422        /*
 423         * If we're not going to stdout, then we definitely don't
 424         * want color, since we are going to the commit message
 425         * file (and even the "auto" setting won't work, since it
 426         * will have checked isatty on stdout).
 427         */
 428        if (s->fp != stdout)
 429                DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
 430        run_diff_index(&rev, 1);
 431}
 432
 433static void wt_status_print_tracking(struct wt_status *s)
 434{
 435        struct strbuf sb = STRBUF_INIT;
 436        const char *cp, *ep;
 437        struct branch *branch;
 438
 439        assert(s->branch && !s->is_initial);
 440        if (prefixcmp(s->branch, "refs/heads/"))
 441                return;
 442        branch = branch_get(s->branch + 11);
 443        if (!format_tracking_info(branch, &sb))
 444                return;
 445
 446        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 447                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 448                                 "# %.*s", (int)(ep - cp), cp);
 449        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 450}
 451
 452void wt_status_print(struct wt_status *s)
 453{
 454        unsigned char sha1[20];
 455        const char *branch_color = color(WT_STATUS_HEADER);
 456
 457        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 458        if (s->branch) {
 459                const char *on_what = "On branch ";
 460                const char *branch_name = s->branch;
 461                if (!prefixcmp(branch_name, "refs/heads/"))
 462                        branch_name += 11;
 463                else if (!strcmp(branch_name, "HEAD")) {
 464                        branch_name = "";
 465                        branch_color = color(WT_STATUS_NOBRANCH);
 466                        on_what = "Not currently on any branch.";
 467                }
 468                color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
 469                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 470                if (!s->is_initial)
 471                        wt_status_print_tracking(s);
 472        }
 473
 474        wt_status_collect_changes(s);
 475
 476        if (s->is_initial) {
 477                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 478                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 479                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 480        }
 481
 482        wt_status_print_updated(s);
 483        wt_status_print_changed(s);
 484        if (wt_status_submodule_summary)
 485                wt_status_print_submodule_summary(s);
 486        if (show_untracked_files)
 487                wt_status_print_untracked(s);
 488        else if (s->commitable)
 489                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 490
 491        if (s->verbose)
 492                wt_status_print_verbose(s);
 493        if (!s->commitable) {
 494                if (s->amend)
 495                        fprintf(s->fp, "# No changes\n");
 496                else if (s->nowarn)
 497                        ; /* nothing */
 498                else if (s->workdir_dirty)
 499                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 500                else if (s->workdir_untracked)
 501                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 502                else if (s->is_initial)
 503                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 504                else if (!show_untracked_files)
 505                        printf("nothing to commit (use -u to show untracked files)\n");
 506                else
 507                        printf("nothing to commit (working directory clean)\n");
 508        }
 509}
 510
 511int git_status_config(const char *k, const char *v, void *cb)
 512{
 513        if (!strcmp(k, "status.submodulesummary")) {
 514                int is_bool;
 515                wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 516                if (is_bool && wt_status_submodule_summary)
 517                        wt_status_submodule_summary = -1;
 518                return 0;
 519        }
 520        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 521                wt_status_use_color = git_config_colorbool(k, v, -1);
 522                return 0;
 523        }
 524        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 525                int slot = parse_status_slot(k, 13);
 526                if (!v)
 527                        return config_error_nonbool(k);
 528                color_parse(v, k, wt_status_colors[slot]);
 529                return 0;
 530        }
 531        if (!strcmp(k, "status.relativepaths")) {
 532                wt_status_relative_paths = git_config_bool(k, v);
 533                return 0;
 534        }
 535        if (!strcmp(k, "status.showuntrackedfiles")) {
 536                if (!v)
 537                        return config_error_nonbool(k);
 538                else if (!strcmp(v, "no"))
 539                        show_untracked_files = SHOW_NO_UNTRACKED_FILES;
 540                else if (!strcmp(v, "normal"))
 541                        show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 542                else if (!strcmp(v, "all"))
 543                        show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
 544                else
 545                        return error("Invalid untracked files mode '%s'", v);
 546                return 0;
 547        }
 548        return git_diff_ui_config(k, v, cb);
 549}