git.oblomov.eu Git - git/blob - t/helper/test-reach.c

   1 #include "test-tool.h"
   2 #include "cache.h"
   3 #include "commit.h"
   4 #include "commit-reach.h"
   5 #include "config.h"
   6 #include "parse-options.h"
   7 #include "string-list.h"
   8 #include "tag.h"
   9
  10 static void print_sorted_commit_ids(struct commit_list *list)
  11 {
  12         int i;
  13         struct string_list s = STRING_LIST_INIT_DUP;
  14
  15         while (list) {
  16                 string_list_append(&s, oid_to_hex(&list->item->object.oid));
  17                 list = list->next;
  18         }
  19
  20         string_list_sort(&s);
  21
  22         for (i = 0; i < s.nr; i++)
  23                 printf("%s\n", s.items[i].string);
  24
  25         string_list_clear(&s, 0);
  26 }
  27
  28 int cmd__reach(int ac, const char **av)
  29 {
  30         struct object_id oid_A, oid_B;
  31         struct commit *A, *B;
  32         struct commit_list *X;
  33         struct commit **X_array;
  34         int X_nr, X_alloc;
  35         struct strbuf buf = STRBUF_INIT;
  36         struct repository *r = the_repository;
  37
  38         setup_git_directory();
  39
  40         if (ac < 2)
  41                 exit(1);
  42
  43         A = B = NULL;
  44         X = NULL;
  45         X_nr = 0;
  46         X_alloc = 16;
  47         ALLOC_ARRAY(X_array, X_alloc);
  48
  49         while (strbuf_getline(&buf, stdin) != EOF) {
  50                 struct object_id oid;
  51                 struct object *o;
  52                 struct commit *c;
  53                 if (buf.len < 3)
  54                         continue;
  55
  56                 if (get_oid_committish(buf.buf + 2, &oid))
  57                         die("failed to resolve %s", buf.buf + 2);
  58
  59                 o = parse_object(r, &oid);
  60                 o = deref_tag_noverify(o);
  61
  62                 if (!o)
  63                         die("failed to load commit for input %s resulting in oid %s\n",
  64                             buf.buf, oid_to_hex(&oid));
  65
  66                 c = object_as_type(r, o, OBJ_COMMIT, 0);
  67
  68                 if (!c)
  69                         die("failed to load commit for input %s resulting in oid %s\n",
  70                             buf.buf, oid_to_hex(&oid));
  71
  72                 switch (buf.buf[0]) {
  73                         case 'A':
  74                                 oidcpy(&oid_A, &oid);
  75                                 A = c;
  76                                 break;
  77
  78                         case 'B':
  79                                 oidcpy(&oid_B, &oid);
  80                                 B = c;
  81                                 break;
  82
  83                         case 'X':
  84                                 commit_list_insert(c, &X);
  85                                 ALLOC_GROW(X_array, X_nr + 1, X_alloc);
  86                                 X_array[X_nr++] = c;
  87                                 break;
  88
  89                         default:
  90                                 die("unexpected start of line: %c", buf.buf[0]);
  91                 }
  92         }
  93         strbuf_release(&buf);
  94
  95         if (!strcmp(av[1], "ref_newer"))
  96                 printf("%s(A,B):%d\n", av[1], ref_newer(&oid_A, &oid_B));
  97         else if (!strcmp(av[1], "in_merge_bases"))
  98                 printf("%s(A,B):%d\n", av[1], in_merge_bases(A, B));
  99         else if (!strcmp(av[1], "is_descendant_of"))
 100                 printf("%s(A,X):%d\n", av[1], is_descendant_of(A, X));
 101         else if (!strcmp(av[1], "get_merge_bases_many")) {
 102                 struct commit_list *list = get_merge_bases_many(A, X_nr, X_array);
 103                 printf("%s(A,X):\n", av[1]);
 104                 print_sorted_commit_ids(list);
 105         } else if (!strcmp(av[1], "reduce_heads")) {
 106                 struct commit_list *list = reduce_heads(X);
 107                 printf("%s(X):\n", av[1]);
 108                 print_sorted_commit_ids(list);
 109         }
 110
 111         exit(0);
 112 }