wt-status.con commit correct cache_entry allocation (13494ed)
   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
  25static const char use_add_msg[] =
  26"use \"git add <file>...\" to update what will be committed";
  27static const char use_add_rm_msg[] =
  28"use \"git add/rm <file>...\" to update what will be committed";
  29static const char use_add_to_include_msg[] =
  30"use \"git add <file>...\" to include in what will be committed";
  31enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  32
  33static int parse_status_slot(const char *var, int offset)
  34{
  35        if (!strcasecmp(var+offset, "header"))
  36                return WT_STATUS_HEADER;
  37        if (!strcasecmp(var+offset, "updated")
  38                || !strcasecmp(var+offset, "added"))
  39                return WT_STATUS_UPDATED;
  40        if (!strcasecmp(var+offset, "changed"))
  41                return WT_STATUS_CHANGED;
  42        if (!strcasecmp(var+offset, "untracked"))
  43                return WT_STATUS_UNTRACKED;
  44        if (!strcasecmp(var+offset, "nobranch"))
  45                return WT_STATUS_NOBRANCH;
  46        die("bad config variable '%s'", var);
  47}
  48
  49static const char* color(int slot)
  50{
  51        return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
  52}
  53
  54void wt_status_prepare(struct wt_status *s)
  55{
  56        unsigned char sha1[20];
  57        const char *head;
  58
  59        memset(s, 0, sizeof(*s));
  60        head = resolve_ref("HEAD", sha1, 0, NULL);
  61        s->branch = head ? xstrdup(head) : NULL;
  62        s->reference = "HEAD";
  63        s->fp = stdout;
  64        s->index_file = get_index_file();
  65}
  66
  67static void wt_status_print_cached_header(struct wt_status *s)
  68{
  69        const char *c = color(WT_STATUS_HEADER);
  70        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  71        if (!s->is_initial) {
  72                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  73        } else {
  74                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  75        }
  76        color_fprintf_ln(s->fp, c, "#");
  77}
  78
  79static void wt_status_print_header(struct wt_status *s,
  80                                   const char *main, const char *sub)
  81{
  82        const char *c = color(WT_STATUS_HEADER);
  83        color_fprintf_ln(s->fp, c, "# %s:", main);
  84        color_fprintf_ln(s->fp, c, "#   (%s)", sub);
  85        color_fprintf_ln(s->fp, c, "#");
  86}
  87
  88static void wt_status_print_trailer(struct wt_status *s)
  89{
  90        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  91}
  92
  93#define quote_path quote_path_relative
  94
  95static void wt_status_print_filepair(struct wt_status *s,
  96                                     int t, struct diff_filepair *p)
  97{
  98        const char *c = color(t);
  99        const char *one, *two;
 100        struct strbuf onebuf, twobuf;
 101
 102        strbuf_init(&onebuf, 0);
 103        strbuf_init(&twobuf, 0);
 104        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
 105        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 106
 107        color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 108        switch (p->status) {
 109        case DIFF_STATUS_ADDED:
 110                color_fprintf(s->fp, c, "new file:   %s", one);
 111                break;
 112        case DIFF_STATUS_COPIED:
 113                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 114                break;
 115        case DIFF_STATUS_DELETED:
 116                color_fprintf(s->fp, c, "deleted:    %s", one);
 117                break;
 118        case DIFF_STATUS_MODIFIED:
 119                color_fprintf(s->fp, c, "modified:   %s", one);
 120                break;
 121        case DIFF_STATUS_RENAMED:
 122                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 123                break;
 124        case DIFF_STATUS_TYPE_CHANGED:
 125                color_fprintf(s->fp, c, "typechange: %s", one);
 126                break;
 127        case DIFF_STATUS_UNKNOWN:
 128                color_fprintf(s->fp, c, "unknown:    %s", one);
 129                break;
 130        case DIFF_STATUS_UNMERGED:
 131                color_fprintf(s->fp, c, "unmerged:   %s", one);
 132                break;
 133        default:
 134                die("bug: unhandled diff status %c", p->status);
 135        }
 136        fprintf(s->fp, "\n");
 137        strbuf_release(&onebuf);
 138        strbuf_release(&twobuf);
 139}
 140
 141static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 142                struct diff_options *options,
 143                void *data)
 144{
 145        struct wt_status *s = data;
 146        int shown_header = 0;
 147        int i;
 148        for (i = 0; i < q->nr; i++) {
 149                if (q->queue[i]->status == 'U')
 150                        continue;
 151                if (!shown_header) {
 152                        wt_status_print_cached_header(s);
 153                        s->commitable = 1;
 154                        shown_header = 1;
 155                }
 156                wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
 157        }
 158        if (shown_header)
 159                wt_status_print_trailer(s);
 160}
 161
 162static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 163                        struct diff_options *options,
 164                        void *data)
 165{
 166        struct wt_status *s = data;
 167        int i;
 168        if (q->nr) {
 169                const char *msg = use_add_msg;
 170                s->workdir_dirty = 1;
 171                for (i = 0; i < q->nr; i++)
 172                        if (q->queue[i]->status == DIFF_STATUS_DELETED) {
 173                                msg = use_add_rm_msg;
 174                                break;
 175                        }
 176                wt_status_print_header(s, "Changed but not updated", msg);
 177        }
 178        for (i = 0; i < q->nr; i++)
 179                wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
 180        if (q->nr)
 181                wt_status_print_trailer(s);
 182}
 183
 184static void wt_status_print_initial(struct wt_status *s)
 185{
 186        int i;
 187        struct strbuf buf;
 188
 189        strbuf_init(&buf, 0);
 190        if (active_nr) {
 191                s->commitable = 1;
 192                wt_status_print_cached_header(s);
 193        }
 194        for (i = 0; i < active_nr; i++) {
 195                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 196                color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
 197                                quote_path(active_cache[i]->name, -1,
 198                                           &buf, s->prefix));
 199        }
 200        if (active_nr)
 201                wt_status_print_trailer(s);
 202        strbuf_release(&buf);
 203}
 204
 205static void wt_status_print_updated(struct wt_status *s)
 206{
 207        struct rev_info rev;
 208        init_revisions(&rev, NULL);
 209        setup_revisions(0, NULL, &rev, s->reference);
 210        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 211        rev.diffopt.format_callback = wt_status_print_updated_cb;
 212        rev.diffopt.format_callback_data = s;
 213        rev.diffopt.detect_rename = 1;
 214        rev.diffopt.rename_limit = 200;
 215        rev.diffopt.break_opt = 0;
 216        run_diff_index(&rev, 1);
 217}
 218
 219static void wt_status_print_changed(struct wt_status *s)
 220{
 221        struct rev_info rev;
 222        init_revisions(&rev, "");
 223        setup_revisions(0, NULL, &rev, NULL);
 224        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 225        rev.diffopt.format_callback = wt_status_print_changed_cb;
 226        rev.diffopt.format_callback_data = s;
 227        run_diff_files(&rev, 0);
 228}
 229
 230static void wt_status_print_submodule_summary(struct wt_status *s)
 231{
 232        struct child_process sm_summary;
 233        char summary_limit[64];
 234        char index[PATH_MAX];
 235        const char *env[] = { index, NULL };
 236        const char *argv[] = {
 237                "submodule",
 238                "summary",
 239                "--cached",
 240                "--for-status",
 241                "--summary-limit",
 242                summary_limit,
 243                s->amend ? "HEAD^" : "HEAD",
 244                NULL
 245        };
 246
 247        sprintf(summary_limit, "%d", wt_status_submodule_summary);
 248        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 249
 250        memset(&sm_summary, 0, sizeof(sm_summary));
 251        sm_summary.argv = argv;
 252        sm_summary.env = env;
 253        sm_summary.git_cmd = 1;
 254        sm_summary.no_stdin = 1;
 255        fflush(s->fp);
 256        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 257        run_command(&sm_summary);
 258}
 259
 260static void wt_status_print_untracked(struct wt_status *s)
 261{
 262        struct dir_struct dir;
 263        int i;
 264        int shown_header = 0;
 265        struct strbuf buf;
 266
 267        strbuf_init(&buf, 0);
 268        memset(&dir, 0, sizeof(dir));
 269
 270        if (!s->untracked) {
 271                dir.show_other_directories = 1;
 272                dir.hide_empty_directories = 1;
 273        }
 274        setup_standard_excludes(&dir);
 275
 276        read_directory(&dir, ".", "", 0, NULL);
 277        for(i = 0; i < dir.nr; i++) {
 278                /* check for matching entry, which is unmerged; lifted from
 279                 * builtin-ls-files:show_other_files */
 280                struct dir_entry *ent = dir.entries[i];
 281                int pos = cache_name_pos(ent->name, ent->len);
 282                struct cache_entry *ce;
 283                if (0 <= pos)
 284                        die("bug in wt_status_print_untracked");
 285                pos = -pos - 1;
 286                if (pos < active_nr) {
 287                        ce = active_cache[pos];
 288                        if (ce_namelen(ce) == ent->len &&
 289                            !memcmp(ce->name, ent->name, ent->len))
 290                                continue;
 291                }
 292                if (!shown_header) {
 293                        s->workdir_untracked = 1;
 294                        wt_status_print_header(s, "Untracked files",
 295                                               use_add_to_include_msg);
 296                        shown_header = 1;
 297                }
 298                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 299                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 300                                quote_path(ent->name, ent->len,
 301                                        &buf, s->prefix));
 302        }
 303        strbuf_release(&buf);
 304}
 305
 306static void wt_status_print_verbose(struct wt_status *s)
 307{
 308        struct rev_info rev;
 309
 310        init_revisions(&rev, NULL);
 311        setup_revisions(0, NULL, &rev, s->reference);
 312        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 313        rev.diffopt.detect_rename = 1;
 314        rev.diffopt.file = s->fp;
 315        rev.diffopt.close_file = 0;
 316        run_diff_index(&rev, 1);
 317}
 318
 319static void wt_status_print_tracking(struct wt_status *s)
 320{
 321        struct strbuf sb = STRBUF_INIT;
 322        const char *cp, *ep;
 323        struct branch *branch;
 324
 325        assert(s->branch && !s->is_initial);
 326        if (prefixcmp(s->branch, "refs/heads/"))
 327                return;
 328        branch = branch_get(s->branch + 11);
 329        if (!format_tracking_info(branch, &sb))
 330                return;
 331
 332        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 333                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 334                                 "# %.*s", (int)(ep - cp), cp);
 335        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 336}
 337
 338void wt_status_print(struct wt_status *s)
 339{
 340        unsigned char sha1[20];
 341        const char *branch_color = color(WT_STATUS_HEADER);
 342
 343        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 344        if (s->branch) {
 345                const char *on_what = "On branch ";
 346                const char *branch_name = s->branch;
 347                if (!prefixcmp(branch_name, "refs/heads/"))
 348                        branch_name += 11;
 349                else if (!strcmp(branch_name, "HEAD")) {
 350                        branch_name = "";
 351                        branch_color = color(WT_STATUS_NOBRANCH);
 352                        on_what = "Not currently on any branch.";
 353                }
 354                color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
 355                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 356                if (!s->is_initial)
 357                        wt_status_print_tracking(s);
 358        }
 359
 360        if (s->is_initial) {
 361                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 362                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 363                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 364                wt_status_print_initial(s);
 365        }
 366        else {
 367                wt_status_print_updated(s);
 368        }
 369
 370        wt_status_print_changed(s);
 371        if (wt_status_submodule_summary)
 372                wt_status_print_submodule_summary(s);
 373        if (show_untracked_files)
 374                wt_status_print_untracked(s);
 375        else if (s->commitable)
 376                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 377
 378        if (s->verbose && !s->is_initial)
 379                wt_status_print_verbose(s);
 380        if (!s->commitable) {
 381                if (s->amend)
 382                        fprintf(s->fp, "# No changes\n");
 383                else if (s->nowarn)
 384                        ; /* nothing */
 385                else if (s->workdir_dirty)
 386                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 387                else if (s->workdir_untracked)
 388                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 389                else if (s->is_initial)
 390                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 391                else if (!show_untracked_files)
 392                        printf("nothing to commit (use -u to show untracked files)\n");
 393                else
 394                        printf("nothing to commit (working directory clean)\n");
 395        }
 396}
 397
 398int git_status_config(const char *k, const char *v, void *cb)
 399{
 400        if (!strcmp(k, "status.submodulesummary")) {
 401                int is_bool;
 402                wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 403                if (is_bool && wt_status_submodule_summary)
 404                        wt_status_submodule_summary = -1;
 405                return 0;
 406        }
 407        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 408                wt_status_use_color = git_config_colorbool(k, v, -1);
 409                return 0;
 410        }
 411        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 412                int slot = parse_status_slot(k, 13);
 413                if (!v)
 414                        return config_error_nonbool(k);
 415                color_parse(v, k, wt_status_colors[slot]);
 416                return 0;
 417        }
 418        if (!strcmp(k, "status.relativepaths")) {
 419                wt_status_relative_paths = git_config_bool(k, v);
 420                return 0;
 421        }
 422        if (!strcmp(k, "status.showuntrackedfiles")) {
 423                if (!v)
 424                        return config_error_nonbool(k);
 425                else if (!strcmp(v, "no"))
 426                        show_untracked_files = SHOW_NO_UNTRACKED_FILES;
 427                else if (!strcmp(v, "normal"))
 428                        show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 429                else if (!strcmp(v, "all"))
 430                        show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
 431                else
 432                        return error("Invalid untracked files mode '%s'", v);
 433                return 0;
 434        }
 435        return git_color_default_config(k, v, cb);
 436}