Andrew's git - gitweb.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 "ref-filter.h"
   8#include "string-list.h"
   9#include "tag.h"
  10
  11static void print_sorted_commit_ids(struct commit_list *list)
  12{
  13        int i;
  14        struct string_list s = STRING_LIST_INIT_DUP;
  15
  16        while (list) {
  17                string_list_append(&s, oid_to_hex(&list->item->object.oid));
  18                list = list->next;
  19        }
  20
  21        string_list_sort(&s);
  22
  23        for (i = 0; i < s.nr; i++)
  24                printf("%s\n", s.items[i].string);
  25
  26        string_list_clear(&s, 0);
  27}
  28
  29int cmd__reach(int ac, const char **av)
  30{
  31        struct object_id oid_A, oid_B;
  32        struct commit *A, *B;
  33        struct commit_list *X, *Y;
  34        struct commit **X_array;
  35        int X_nr, X_alloc;
  36        struct strbuf buf = STRBUF_INIT;
  37        struct repository *r = the_repository;
  38
  39        setup_git_directory();
  40
  41        if (ac < 2)
  42                exit(1);
  43
  44        A = B = NULL;
  45        X = Y = NULL;
  46        X_nr = 0;
  47        X_alloc = 16;
  48        ALLOC_ARRAY(X_array, X_alloc);
  49
  50        while (strbuf_getline(&buf, stdin) != EOF) {
  51                struct object_id oid;
  52                struct object *o;
  53                struct commit *c;
  54                if (buf.len < 3)
  55                        continue;
  56
  57                if (get_oid_committish(buf.buf + 2, &oid))
  58                        die("failed to resolve %s", buf.buf + 2);
  59
  60                o = parse_object(r, &oid);
  61                o = deref_tag_noverify(o);
  62
  63                if (!o)
  64                        die("failed to load commit for input %s resulting in oid %s\n",
  65                            buf.buf, oid_to_hex(&oid));
  66
  67                c = object_as_type(r, o, OBJ_COMMIT, 0);
  68
  69                if (!c)
  70                        die("failed to load commit for input %s resulting in oid %s\n",
  71                            buf.buf, oid_to_hex(&oid));
  72
  73                switch (buf.buf[0]) {
  74                        case 'A':
  75                                oidcpy(&oid_A, &oid);
  76                                A = c;
  77                                break;
  78
  79                        case 'B':
  80                                oidcpy(&oid_B, &oid);
  81                                B = c;
  82                                break;
  83
  84                        case 'X':
  85                                commit_list_insert(c, &X);
  86                                ALLOC_GROW(X_array, X_nr + 1, X_alloc);
  87                                X_array[X_nr++] = c;
  88                                break;
  89
  90                        case 'Y':
  91                                commit_list_insert(c, &Y);
  92                                break;
  93
  94                        default:
  95                                die("unexpected start of line: %c", buf.buf[0]);
  96                }
  97        }
  98        strbuf_release(&buf);
  99
 100        if (!strcmp(av[1], "ref_newer"))
 101                printf("%s(A,B):%d\n", av[1], ref_newer(&oid_A, &oid_B));
 102        else if (!strcmp(av[1], "in_merge_bases"))
 103                printf("%s(A,B):%d\n", av[1], in_merge_bases(A, B));
 104        else if (!strcmp(av[1], "is_descendant_of"))
 105                printf("%s(A,X):%d\n", av[1], is_descendant_of(A, X));
 106        else if (!strcmp(av[1], "get_merge_bases_many")) {
 107                struct commit_list *list = get_merge_bases_many(A, X_nr, X_array);
 108                printf("%s(A,X):\n", av[1]);
 109                print_sorted_commit_ids(list);
 110        } else if (!strcmp(av[1], "reduce_heads")) {
 111                struct commit_list *list = reduce_heads(X);
 112                printf("%s(X):\n", av[1]);
 113                print_sorted_commit_ids(list);
 114        } else if (!strcmp(av[1], "can_all_from_reach")) {
 115                printf("%s(X,Y):%d\n", av[1], can_all_from_reach(X, Y, 1));
 116        } else if (!strcmp(av[1], "commit_contains")) {
 117                struct ref_filter filter;
 118                struct contains_cache cache;
 119                init_contains_cache(&cache);
 120
 121                if (ac > 2 && !strcmp(av[2], "--tag"))
 122                        filter.with_commit_tag_algo = 1;
 123                else
 124                        filter.with_commit_tag_algo = 0;
 125
 126                printf("%s(_,A,X,_):%d\n", av[1], commit_contains(&filter, A, X, &cache));
 127        }
 128
 129        exit(0);
 130}