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 "string-list.h"
   8#include "tag.h"
   9
  10static 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
  28int 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        }
 106
 107        exit(0);
 108}