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 "test-tool.h"
  12 #include "cache.h"
  13 #include "commit.h"
  14 #include "diff.h"
  15 #include "revision.h"
  16
  17 static void print_commit(struct commit *commit)
  18 {
  19         struct strbuf sb = STRBUF_INIT;
  20         struct pretty_print_context ctx = {0};
  21         ctx.date_mode.type = DATE_NORMAL;
  22         format_commit_message(commit, " %m %s", &sb, &ctx);
  23         printf("%s\n", sb.buf);
  24         strbuf_release(&sb);
  25 }
  26
  27 static int run_revision_walk(void)
  28 {
  29         struct rev_info rev;
  30         struct commit *commit;
  31         const char *argv[] = {NULL, "--all", NULL};
  32         int argc = ARRAY_SIZE(argv) - 1;
  33         int got_revision = 0;
  34
  35         init_revisions(&rev, NULL);
  36         setup_revisions(argc, argv, &rev, NULL);
  37         if (prepare_revision_walk(&rev))
  38                 die("revision walk setup failed");
  39
  40         while ((commit = get_revision(&rev)) != NULL) {
  41                 print_commit(commit);
  42                 got_revision = 1;
  43         }
  44
  45         reset_revision_walk();
  46         return got_revision;
  47 }
  48
  49 int cmd__revision_walking(int argc, const char **argv)
  50 {
  51         if (argc < 2)
  52                 return 1;
  53
  54         setup_git_directory();
  55
  56         if (!strcmp(argv[1], "run-twice")) {
  57                 printf("1st\n");
  58                 if (!run_revision_walk())
  59                         return 1;
  60                 printf("2nd\n");
  61                 if (!run_revision_walk())
  62                         return 1;
  63
  64                 return 0;
  65         }
  66
  67         fprintf(stderr, "check usage\n");
  68         return 1;
  69 }