Andrew's git / gitweb.git / builtin-log.c
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builtin-log.con commit git-svn: allow dcommit for those who only fetch from SVM with useSvmProps (60d9c97)
   1/*
   2 * Builtin "git log" and related commands (show, whatchanged)
   3 *
   4 * (C) Copyright 2006 Linus Torvalds
   5 *               2006 Junio Hamano
   6 */
   7#include "cache.h"
   8#include "commit.h"
   9#include "diff.h"
  10#include "revision.h"
  11#include "log-tree.h"
  12#include "builtin.h"
  13#include "tag.h"
  14#include "reflog-walk.h"
  15
  16static int default_show_root = 1;
  17
  18/* this is in builtin-diff.c */
  19void add_head(struct rev_info *revs);
  20
  21static void cmd_log_init(int argc, const char **argv, const char *prefix,
  22                      struct rev_info *rev)
  23{
  24        int i;
  25
  26        rev->abbrev = DEFAULT_ABBREV;
  27        rev->commit_format = CMIT_FMT_DEFAULT;
  28        rev->verbose_header = 1;
  29        rev->show_root_diff = default_show_root;
  30        argc = setup_revisions(argc, argv, rev, "HEAD");
  31        if (rev->diffopt.pickaxe || rev->diffopt.filter)
  32                rev->always_show_header = 0;
  33        for (i = 1; i < argc; i++) {
  34                const char *arg = argv[i];
  35                if (!prefixcmp(arg, "--encoding=")) {
  36                        arg += 11;
  37                        if (strcmp(arg, "none"))
  38                                git_log_output_encoding = strdup(arg);
  39                        else
  40                                git_log_output_encoding = "";
  41                }
  42                else
  43                        die("unrecognized argument: %s", arg);
  44        }
  45}
  46
  47static int cmd_log_walk(struct rev_info *rev)
  48{
  49        struct commit *commit;
  50
  51        prepare_revision_walk(rev);
  52        while ((commit = get_revision(rev)) != NULL) {
  53                log_tree_commit(rev, commit);
  54                if (!rev->reflog_info) {
  55                        /* we allow cycles in reflog ancestry */
  56                        free(commit->buffer);
  57                        commit->buffer = NULL;
  58                }
  59                free_commit_list(commit->parents);
  60                commit->parents = NULL;
  61        }
  62        return 0;
  63}
  64
  65static int git_log_config(const char *var, const char *value)
  66{
  67        if (!strcmp(var, "log.showroot")) {
  68                default_show_root = git_config_bool(var, value);
  69                return 0;
  70        }
  71        return git_diff_ui_config(var, value);
  72}
  73
  74int cmd_whatchanged(int argc, const char **argv, const char *prefix)
  75{
  76        struct rev_info rev;
  77
  78        git_config(git_log_config);
  79        init_revisions(&rev, prefix);
  80        rev.diff = 1;
  81        rev.diffopt.recursive = 1;
  82        rev.simplify_history = 0;
  83        cmd_log_init(argc, argv, prefix, &rev);
  84        if (!rev.diffopt.output_format)
  85                rev.diffopt.output_format = DIFF_FORMAT_RAW;
  86        return cmd_log_walk(&rev);
  87}
  88
  89static int show_object(const unsigned char *sha1, int suppress_header)
  90{
  91        unsigned long size;
  92        char type[20];
  93        char *buf = read_sha1_file(sha1, type, &size);
  94        int offset = 0;
  95
  96        if (!buf)
  97                return error("Could not read object %s", sha1_to_hex(sha1));
  98
  99        if (suppress_header)
 100                while (offset < size && buf[offset++] != '\n') {
 101                        int new_offset = offset;
 102                        while (new_offset < size && buf[new_offset++] != '\n')
 103                                ; /* do nothing */
 104                        offset = new_offset;
 105                }
 106
 107        if (offset < size)
 108                fwrite(buf + offset, size - offset, 1, stdout);
 109        free(buf);
 110        return 0;
 111}
 112
 113static int show_tree_object(const unsigned char *sha1,
 114                const char *base, int baselen,
 115                const char *pathname, unsigned mode, int stage)
 116{
 117        printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
 118        return 0;
 119}
 120
 121int cmd_show(int argc, const char **argv, const char *prefix)
 122{
 123        struct rev_info rev;
 124        struct object_array_entry *objects;
 125        int i, count, ret = 0;
 126
 127        git_config(git_log_config);
 128        init_revisions(&rev, prefix);
 129        rev.diff = 1;
 130        rev.diffopt.recursive = 1;
 131        rev.combine_merges = 1;
 132        rev.dense_combined_merges = 1;
 133        rev.always_show_header = 1;
 134        rev.ignore_merges = 0;
 135        rev.no_walk = 1;
 136        cmd_log_init(argc, argv, prefix, &rev);
 137
 138        count = rev.pending.nr;
 139        objects = rev.pending.objects;
 140        for (i = 0; i < count && !ret; i++) {
 141                struct object *o = objects[i].item;
 142                const char *name = objects[i].name;
 143                switch (o->type) {
 144                case OBJ_BLOB:
 145                        ret = show_object(o->sha1, 0);
 146                        break;
 147                case OBJ_TAG: {
 148                        struct tag *t = (struct tag *)o;
 149
 150                        printf("%stag %s%s\n\n",
 151                                        diff_get_color(rev.diffopt.color_diff,
 152                                                DIFF_COMMIT),
 153                                        t->tag,
 154                                        diff_get_color(rev.diffopt.color_diff,
 155                                                DIFF_RESET));
 156                        ret = show_object(o->sha1, 1);
 157                        objects[i].item = (struct object *)t->tagged;
 158                        i--;
 159                        break;
 160                }
 161                case OBJ_TREE:
 162                        printf("%stree %s%s\n\n",
 163                                        diff_get_color(rev.diffopt.color_diff,
 164                                                DIFF_COMMIT),
 165                                        name,
 166                                        diff_get_color(rev.diffopt.color_diff,
 167                                                DIFF_RESET));
 168                        read_tree_recursive((struct tree *)o, "", 0, 0, NULL,
 169                                        show_tree_object);
 170                        break;
 171                case OBJ_COMMIT:
 172                        rev.pending.nr = rev.pending.alloc = 0;
 173                        rev.pending.objects = NULL;
 174                        add_object_array(o, name, &rev.pending);
 175                        ret = cmd_log_walk(&rev);
 176                        break;
 177                default:
 178                        ret = error("Unknown type: %d", o->type);
 179                }
 180        }
 181        free(objects);
 182        return ret;
 183}
 184
 185/*
 186 * This is equivalent to "git log -g --abbrev-commit --pretty=oneline"
 187 */
 188int cmd_log_reflog(int argc, const char **argv, const char *prefix)
 189{
 190        struct rev_info rev;
 191
 192        git_config(git_log_config);
 193        init_revisions(&rev, prefix);
 194        init_reflog_walk(&rev.reflog_info);
 195        rev.abbrev_commit = 1;
 196        rev.verbose_header = 1;
 197        cmd_log_init(argc, argv, prefix, &rev);
 198
 199        /*
 200         * This means that we override whatever commit format the user gave
 201         * on the cmd line.  Sad, but cmd_log_init() currently doesn't
 202         * allow us to set a different default.
 203         */
 204        rev.commit_format = CMIT_FMT_ONELINE;
 205        rev.always_show_header = 1;
 206
 207        /*
 208         * We get called through "git reflog", so unlike the other log
 209         * routines, we need to set up our pager manually..
 210         */
 211        setup_pager();
 212
 213        return cmd_log_walk(&rev);
 214}
 215
 216int cmd_log(int argc, const char **argv, const char *prefix)
 217{
 218        struct rev_info rev;
 219
 220        git_config(git_log_config);
 221        init_revisions(&rev, prefix);
 222        rev.always_show_header = 1;
 223        cmd_log_init(argc, argv, prefix, &rev);
 224        return cmd_log_walk(&rev);
 225}
 226
 227static int istitlechar(char c)
 228{
 229        return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
 230                (c >= '0' && c <= '9') || c == '.' || c == '_';
 231}
 232
 233static char *extra_headers = NULL;
 234static int extra_headers_size = 0;
 235static const char *fmt_patch_suffix = ".patch";
 236
 237static int git_format_config(const char *var, const char *value)
 238{
 239        if (!strcmp(var, "format.headers")) {
 240                int len;
 241
 242                if (!value)
 243                        die("format.headers without value");
 244                len = strlen(value);
 245                extra_headers_size += len + 1;
 246                extra_headers = xrealloc(extra_headers, extra_headers_size);
 247                extra_headers[extra_headers_size - len - 1] = 0;
 248                strcat(extra_headers, value);
 249                return 0;
 250        }
 251        if (!strcmp(var, "format.suffix")) {
 252                if (!value)
 253                        die("format.suffix without value");
 254                fmt_patch_suffix = xstrdup(value);
 255                return 0;
 256        }
 257        if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
 258                return 0;
 259        }
 260        return git_log_config(var, value);
 261}
 262
 263
 264static FILE *realstdout = NULL;
 265static const char *output_directory = NULL;
 266
 267static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
 268{
 269        char filename[1024];
 270        char *sol;
 271        int len = 0;
 272        int suffix_len = strlen(fmt_patch_suffix) + 10; /* ., NUL and slop */
 273
 274        if (output_directory) {
 275                strlcpy(filename, output_directory, 1000);
 276                len = strlen(filename);
 277                if (filename[len - 1] != '/')
 278                        filename[len++] = '/';
 279        }
 280
 281        sprintf(filename + len, "%04d", nr);
 282        len = strlen(filename);
 283
 284        sol = strstr(commit->buffer, "\n\n");
 285        if (sol) {
 286                int j, space = 1;
 287
 288                sol += 2;
 289                /* strip [PATCH] or [PATCH blabla] */
 290                if (!keep_subject && !prefixcmp(sol, "[PATCH")) {
 291                        char *eos = strchr(sol + 6, ']');
 292                        if (eos) {
 293                                while (isspace(*eos))
 294                                        eos++;
 295                                sol = eos;
 296                        }
 297                }
 298
 299                for (j = 0;
 300                     len < sizeof(filename) - suffix_len &&
 301                             sol[j] && sol[j] != '\n';
 302                     j++) {
 303                        if (istitlechar(sol[j])) {
 304                                if (space) {
 305                                        filename[len++] = '-';
 306                                        space = 0;
 307                                }
 308                                filename[len++] = sol[j];
 309                                if (sol[j] == '.')
 310                                        while (sol[j + 1] == '.')
 311                                                j++;
 312                        } else
 313                                space = 1;
 314                }
 315                while (filename[len - 1] == '.' || filename[len - 1] == '-')
 316                        len--;
 317        }
 318        strcpy(filename + len, fmt_patch_suffix);
 319        fprintf(realstdout, "%s\n", filename);
 320        freopen(filename, "w", stdout);
 321}
 322
 323static int get_patch_id(struct commit *commit, struct diff_options *options,
 324                unsigned char *sha1)
 325{
 326        if (commit->parents)
 327                diff_tree_sha1(commit->parents->item->object.sha1,
 328                               commit->object.sha1, "", options);
 329        else
 330                diff_root_tree_sha1(commit->object.sha1, "", options);
 331        diffcore_std(options);
 332        return diff_flush_patch_id(options, sha1);
 333}
 334
 335static void get_patch_ids(struct rev_info *rev, struct diff_options *options, const char *prefix)
 336{
 337        struct rev_info check_rev;
 338        struct commit *commit;
 339        struct object *o1, *o2;
 340        unsigned flags1, flags2;
 341        unsigned char sha1[20];
 342
 343        if (rev->pending.nr != 2)
 344                die("Need exactly one range.");
 345
 346        o1 = rev->pending.objects[0].item;
 347        flags1 = o1->flags;
 348        o2 = rev->pending.objects[1].item;
 349        flags2 = o2->flags;
 350
 351        if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
 352                die("Not a range.");
 353
 354        diff_setup(options);
 355        options->recursive = 1;
 356        if (diff_setup_done(options) < 0)
 357                die("diff_setup_done failed");
 358
 359        /* given a range a..b get all patch ids for b..a */
 360        init_revisions(&check_rev, prefix);
 361        o1->flags ^= UNINTERESTING;
 362        o2->flags ^= UNINTERESTING;
 363        add_pending_object(&check_rev, o1, "o1");
 364        add_pending_object(&check_rev, o2, "o2");
 365        prepare_revision_walk(&check_rev);
 366
 367        while ((commit = get_revision(&check_rev)) != NULL) {
 368                /* ignore merges */
 369                if (commit->parents && commit->parents->next)
 370                        continue;
 371
 372                if (!get_patch_id(commit, options, sha1))
 373                        created_object(sha1, xcalloc(1, sizeof(struct object)));
 374        }
 375
 376        /* reset for next revision walk */
 377        clear_commit_marks((struct commit *)o1,
 378                        SEEN | UNINTERESTING | SHOWN | ADDED);
 379        clear_commit_marks((struct commit *)o2,
 380                        SEEN | UNINTERESTING | SHOWN | ADDED);
 381        o1->flags = flags1;
 382        o2->flags = flags2;
 383}
 384
 385static void gen_message_id(char *dest, unsigned int length, char *base)
 386{
 387        const char *committer = git_committer_info(-1);
 388        const char *email_start = strrchr(committer, '<');
 389        const char *email_end = strrchr(committer, '>');
 390        if(!email_start || !email_end || email_start > email_end - 1)
 391                die("Could not extract email from committer identity.");
 392        snprintf(dest, length, "%s.%lu.git.%.*s", base,
 393                 (unsigned long) time(NULL),
 394                 (int)(email_end - email_start - 1), email_start + 1);
 395}
 396
 397int cmd_format_patch(int argc, const char **argv, const char *prefix)
 398{
 399        struct commit *commit;
 400        struct commit **list = NULL;
 401        struct rev_info rev;
 402        int nr = 0, total, i, j;
 403        int use_stdout = 0;
 404        int numbered = 0;
 405        int start_number = -1;
 406        int keep_subject = 0;
 407        int ignore_if_in_upstream = 0;
 408        int thread = 0;
 409        const char *in_reply_to = NULL;
 410        struct diff_options patch_id_opts;
 411        char *add_signoff = NULL;
 412        char message_id[1024];
 413        char ref_message_id[1024];
 414
 415        git_config(git_format_config);
 416        init_revisions(&rev, prefix);
 417        rev.commit_format = CMIT_FMT_EMAIL;
 418        rev.verbose_header = 1;
 419        rev.diff = 1;
 420        rev.combine_merges = 0;
 421        rev.ignore_merges = 1;
 422        rev.diffopt.msg_sep = "";
 423        rev.diffopt.recursive = 1;
 424
 425        rev.extra_headers = extra_headers;
 426
 427        /*
 428         * Parse the arguments before setup_revisions(), or something
 429         * like "git fmt-patch -o a123 HEAD^.." may fail; a123 is
 430         * possibly a valid SHA1.
 431         */
 432        for (i = 1, j = 1; i < argc; i++) {
 433                if (!strcmp(argv[i], "--stdout"))
 434                        use_stdout = 1;
 435                else if (!strcmp(argv[i], "-n") ||
 436                                !strcmp(argv[i], "--numbered"))
 437                        numbered = 1;
 438                else if (!prefixcmp(argv[i], "--start-number="))
 439                        start_number = strtol(argv[i] + 15, NULL, 10);
 440                else if (!strcmp(argv[i], "--start-number")) {
 441                        i++;
 442                        if (i == argc)
 443                                die("Need a number for --start-number");
 444                        start_number = strtol(argv[i], NULL, 10);
 445                }
 446                else if (!strcmp(argv[i], "-k") ||
 447                                !strcmp(argv[i], "--keep-subject")) {
 448                        keep_subject = 1;
 449                        rev.total = -1;
 450                }
 451                else if (!strcmp(argv[i], "--output-directory") ||
 452                         !strcmp(argv[i], "-o")) {
 453                        i++;
 454                        if (argc <= i)
 455                                die("Which directory?");
 456                        if (output_directory)
 457                                die("Two output directories?");
 458                        output_directory = argv[i];
 459                }
 460                else if (!strcmp(argv[i], "--signoff") ||
 461                         !strcmp(argv[i], "-s")) {
 462                        const char *committer;
 463                        const char *endpos;
 464                        committer = git_committer_info(1);
 465                        endpos = strchr(committer, '>');
 466                        if (!endpos)
 467                                die("bogos committer info %s\n", committer);
 468                        add_signoff = xmalloc(endpos - committer + 2);
 469                        memcpy(add_signoff, committer, endpos - committer + 1);
 470                        add_signoff[endpos - committer + 1] = 0;
 471                }
 472                else if (!strcmp(argv[i], "--attach"))
 473                        rev.mime_boundary = git_version_string;
 474                else if (!prefixcmp(argv[i], "--attach="))
 475                        rev.mime_boundary = argv[i] + 9;
 476                else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
 477                        ignore_if_in_upstream = 1;
 478                else if (!strcmp(argv[i], "--thread"))
 479                        thread = 1;
 480                else if (!prefixcmp(argv[i], "--in-reply-to="))
 481                        in_reply_to = argv[i] + 14;
 482                else if (!strcmp(argv[i], "--in-reply-to")) {
 483                        i++;
 484                        if (i == argc)
 485                                die("Need a Message-Id for --in-reply-to");
 486                        in_reply_to = argv[i];
 487                }
 488                else if (!prefixcmp(argv[i], "--suffix="))
 489                        fmt_patch_suffix = argv[i] + 9;
 490                else
 491                        argv[j++] = argv[i];
 492        }
 493        argc = j;
 494
 495        if (start_number < 0)
 496                start_number = 1;
 497        if (numbered && keep_subject)
 498                die ("-n and -k are mutually exclusive.");
 499
 500        argc = setup_revisions(argc, argv, &rev, "HEAD");
 501        if (argc > 1)
 502                die ("unrecognized argument: %s", argv[1]);
 503
 504        if (!rev.diffopt.output_format)
 505                rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH;
 506
 507        if (!rev.diffopt.text)
 508                rev.diffopt.binary = 1;
 509
 510        if (!output_directory && !use_stdout)
 511                output_directory = prefix;
 512
 513        if (output_directory) {
 514                if (use_stdout)
 515                        die("standard output, or directory, which one?");
 516                if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
 517                        die("Could not create directory %s",
 518                            output_directory);
 519        }
 520
 521        if (rev.pending.nr == 1) {
 522                if (rev.max_count < 0) {
 523                        rev.pending.objects[0].item->flags |= UNINTERESTING;
 524                        add_head(&rev);
 525                }
 526                /* Otherwise, it is "format-patch -22 HEAD", and
 527                 * get_revision() would return only the specified count.
 528                 */
 529        }
 530
 531        if (ignore_if_in_upstream)
 532                get_patch_ids(&rev, &patch_id_opts, prefix);
 533
 534        if (!use_stdout)
 535                realstdout = fdopen(dup(1), "w");
 536
 537        prepare_revision_walk(&rev);
 538        while ((commit = get_revision(&rev)) != NULL) {
 539                unsigned char sha1[20];
 540
 541                /* ignore merges */
 542                if (commit->parents && commit->parents->next)
 543                        continue;
 544
 545                if (ignore_if_in_upstream &&
 546                                !get_patch_id(commit, &patch_id_opts, sha1) &&
 547                                lookup_object(sha1))
 548                        continue;
 549
 550                nr++;
 551                list = xrealloc(list, nr * sizeof(list[0]));
 552                list[nr - 1] = commit;
 553        }
 554        total = nr;
 555        if (numbered)
 556                rev.total = total + start_number - 1;
 557        rev.add_signoff = add_signoff;
 558        rev.ref_message_id = in_reply_to;
 559        while (0 <= --nr) {
 560                int shown;
 561                commit = list[nr];
 562                rev.nr = total - nr + (start_number - 1);
 563                /* Make the second and subsequent mails replies to the first */
 564                if (thread) {
 565                        if (nr == (total - 2)) {
 566                                strncpy(ref_message_id, message_id,
 567                                        sizeof(ref_message_id));
 568                                ref_message_id[sizeof(ref_message_id)-1]='\0';
 569                                rev.ref_message_id = ref_message_id;
 570                        }
 571                        gen_message_id(message_id, sizeof(message_id),
 572                                       sha1_to_hex(commit->object.sha1));
 573                        rev.message_id = message_id;
 574                }
 575                if (!use_stdout)
 576                        reopen_stdout(commit, rev.nr, keep_subject);
 577                shown = log_tree_commit(&rev, commit);
 578                free(commit->buffer);
 579                commit->buffer = NULL;
 580
 581                /* We put one extra blank line between formatted
 582                 * patches and this flag is used by log-tree code
 583                 * to see if it needs to emit a LF before showing
 584                 * the log; when using one file per patch, we do
 585                 * not want the extra blank line.
 586                 */
 587                if (!use_stdout)
 588                        rev.shown_one = 0;
 589                if (shown) {
 590                        if (rev.mime_boundary)
 591                                printf("\n--%s%s--\n\n\n",
 592                                       mime_boundary_leader,
 593                                       rev.mime_boundary);
 594                        else
 595                                printf("-- \n%s\n\n", git_version_string);
 596                }
 597                if (!use_stdout)
 598                        fclose(stdout);
 599        }
 600        free(list);
 601        return 0;
 602}
 603
 604static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
 605{
 606        unsigned char sha1[20];
 607        if (get_sha1(arg, sha1) == 0) {
 608                struct commit *commit = lookup_commit_reference(sha1);
 609                if (commit) {
 610                        commit->object.flags |= flags;
 611                        add_pending_object(revs, &commit->object, arg);
 612                        return 0;
 613                }
 614        }
 615        return -1;
 616}
 617
 618static const char cherry_usage[] =
 619"git-cherry [-v] <upstream> [<head>] [<limit>]";
 620int cmd_cherry(int argc, const char **argv, const char *prefix)
 621{
 622        struct rev_info revs;
 623        struct diff_options patch_id_opts;
 624        struct commit *commit;
 625        struct commit_list *list = NULL;
 626        const char *upstream;
 627        const char *head = "HEAD";
 628        const char *limit = NULL;
 629        int verbose = 0;
 630
 631        if (argc > 1 && !strcmp(argv[1], "-v")) {
 632                verbose = 1;
 633                argc--;
 634                argv++;
 635        }
 636
 637        switch (argc) {
 638        case 4:
 639                limit = argv[3];
 640                /* FALLTHROUGH */
 641        case 3:
 642                head = argv[2];
 643                /* FALLTHROUGH */
 644        case 2:
 645                upstream = argv[1];
 646                break;
 647        default:
 648                usage(cherry_usage);
 649        }
 650
 651        init_revisions(&revs, prefix);
 652        revs.diff = 1;
 653        revs.combine_merges = 0;
 654        revs.ignore_merges = 1;
 655        revs.diffopt.recursive = 1;
 656
 657        if (add_pending_commit(head, &revs, 0))
 658                die("Unknown commit %s", head);
 659        if (add_pending_commit(upstream, &revs, UNINTERESTING))
 660                die("Unknown commit %s", upstream);
 661
 662        /* Don't say anything if head and upstream are the same. */
 663        if (revs.pending.nr == 2) {
 664                struct object_array_entry *o = revs.pending.objects;
 665                if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
 666                        return 0;
 667        }
 668
 669        get_patch_ids(&revs, &patch_id_opts, prefix);
 670
 671        if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
 672                die("Unknown commit %s", limit);
 673
 674        /* reverse the list of commits */
 675        prepare_revision_walk(&revs);
 676        while ((commit = get_revision(&revs)) != NULL) {
 677                /* ignore merges */
 678                if (commit->parents && commit->parents->next)
 679                        continue;
 680
 681                commit_list_insert(commit, &list);
 682        }
 683
 684        while (list) {
 685                unsigned char sha1[20];
 686                char sign = '+';
 687
 688                commit = list->item;
 689                if (!get_patch_id(commit, &patch_id_opts, sha1) &&
 690                    lookup_object(sha1))
 691                        sign = '-';
 692
 693                if (verbose) {
 694                        static char buf[16384];
 695                        pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
 696                                            buf, sizeof(buf), 0, NULL, NULL, 0);
 697                        printf("%c %s %s\n", sign,
 698                               sha1_to_hex(commit->object.sha1), buf);
 699                }
 700                else {
 701                        printf("%c %s\n", sign,
 702                               sha1_to_hex(commit->object.sha1));
 703                }
 704
 705                list = list->next;
 706        }
 707
 708        return 0;
 709}