t/helper/test-revision-walking.c

   1 /*
   2  * test-revision-walking.c: test revision walking API.
   3  *
   4  * (C) 2012 Heiko Voigt <hvoigt@hvoigt.net>
   5  *
   6  * This code is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include "cache.h"
  12 #include "commit.h"
  13 #include "diff.h"
  14 #include "revision.h"
  15
  16 static void print_commit(struct commit *commit)
  17 {
  18         struct strbuf sb = STRBUF_INIT;
  19         struct pretty_print_context ctx = {0};
  20         ctx.date_mode.type = DATE_NORMAL;
  21         format_commit_message(commit, " %m %s", &sb, &ctx);
  22         printf("%s\n", sb.buf);
  23         strbuf_release(&sb);
  24 }
  25
  26 static int run_revision_walk(void)
  27 {
  28         struct rev_info rev;
  29         struct commit *commit;
  30         const char *argv[] = {NULL, "--all", NULL};
  31         int argc = ARRAY_SIZE(argv) - 1;
  32         int got_revision = 0;
  33
  34         init_revisions(&rev, NULL);
  35         setup_revisions(argc, argv, &rev, NULL);
  36         if (prepare_revision_walk(&rev))
  37                 die("revision walk setup failed");
  38
  39         while ((commit = get_revision(&rev)) != NULL) {
  40                 print_commit(commit);
  41                 got_revision = 1;
  42         }
  43
  44         reset_revision_walk();
  45         return got_revision;
  46 }
  47
  48 int cmd_main(int argc, const char **argv)
  49 {
  50         if (argc < 2)
  51                 return 1;
  52
  53         setup_git_directory();
  54
  55         if (!strcmp(argv[1], "run-twice")) {
  56                 printf("1st\n");
  57                 if (!run_revision_walk())
  58                         return 1;
  59                 printf("2nd\n");
  60                 if (!run_revision_walk())
  61                         return 1;
  62
  63                 return 0;
  64         }
  65
  66         fprintf(stderr, "check usage\n");
  67         return 1;
  68 }