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git/t/helper/test-reach.c

170 lines
4.3 KiB

#include "test-tool.h"
#include "cache.h"
#include "commit.h"
#include "commit-reach.h"
#include "config.h"
#include "parse-options.h"
#include "ref-filter.h"
#include "string-list.h"
#include "tag.h"
static void print_sorted_commit_ids(struct commit_list *list)
{
int i;
struct string_list s = STRING_LIST_INIT_DUP;
while (list) {
string_list_append(&s, oid_to_hex(&list->item->object.oid));
list = list->next;
}
string_list_sort(&s);
for (i = 0; i < s.nr; i++)
printf("%s\n", s.items[i].string);
string_list_clear(&s, 0);
}
int cmd__reach(int ac, const char **av)
{
struct object_id oid_A, oid_B;
struct commit *A, *B;
struct commit_list *X, *Y;
struct object_array X_obj = OBJECT_ARRAY_INIT;
struct commit **X_array, **Y_array;
int X_nr, X_alloc, Y_nr, Y_alloc;
struct strbuf buf = STRBUF_INIT;
struct repository *r = the_repository;
setup_git_directory();
if (ac < 2)
exit(1);
A = B = NULL;
X = Y = NULL;
X_nr = Y_nr = 0;
X_alloc = Y_alloc = 16;
ALLOC_ARRAY(X_array, X_alloc);
ALLOC_ARRAY(Y_array, Y_alloc);
while (strbuf_getline(&buf, stdin) != EOF) {
struct object_id oid;
struct object *orig;
struct object *peeled;
struct commit *c;
if (buf.len < 3)
continue;
if (get_oid_committish(buf.buf + 2, &oid))
die("failed to resolve %s", buf.buf + 2);
orig = parse_object(r, &oid);
peeled = deref_tag_noverify(orig);
if (!peeled)
die("failed to load commit for input %s resulting in oid %s\n",
buf.buf, oid_to_hex(&oid));
c = object_as_type(peeled, OBJ_COMMIT, 0);
if (!c)
die("failed to load commit for input %s resulting in oid %s\n",
buf.buf, oid_to_hex(&oid));
switch (buf.buf[0]) {
case 'A':
oidcpy(&oid_A, &oid);
A = c;
break;
case 'B':
oidcpy(&oid_B, &oid);
B = c;
break;
case 'X':
commit_list_insert(c, &X);
ALLOC_GROW(X_array, X_nr + 1, X_alloc);
X_array[X_nr++] = c;
add_object_array(orig, NULL, &X_obj);
break;
case 'Y':
commit_list_insert(c, &Y);
ALLOC_GROW(Y_array, Y_nr + 1, Y_alloc);
Y_array[Y_nr++] = c;
break;
default:
die("unexpected start of line: %c", buf.buf[0]);
}
}
strbuf_release(&buf);
if (!strcmp(av[1], "ref_newer"))
printf("%s(A,B):%d\n", av[1], ref_newer(&oid_A, &oid_B));
else if (!strcmp(av[1], "in_merge_bases"))
printf("%s(A,B):%d\n", av[1], in_merge_bases(A, B));
else if (!strcmp(av[1], "in_merge_bases_many"))
printf("%s(A,X):%d\n", av[1], in_merge_bases_many(A, X_nr, X_array));
else if (!strcmp(av[1], "is_descendant_of"))
printf("%s(A,X):%d\n", av[1], repo_is_descendant_of(r, A, X));
else if (!strcmp(av[1], "get_merge_bases_many")) {
struct commit_list *list = get_merge_bases_many(A, X_nr, X_array);
printf("%s(A,X):\n", av[1]);
print_sorted_commit_ids(list);
} else if (!strcmp(av[1], "reduce_heads")) {
struct commit_list *list = reduce_heads(X);
printf("%s(X):\n", av[1]);
print_sorted_commit_ids(list);
} else if (!strcmp(av[1], "can_all_from_reach")) {
printf("%s(X,Y):%d\n", av[1], can_all_from_reach(X, Y, 1));
} else if (!strcmp(av[1], "can_all_from_reach_with_flag")) {
struct commit_list *iter = Y;
while (iter) {
iter->item->object.flags |= 2;
iter = iter->next;
}
printf("%s(X,_,_,0,0):%d\n", av[1], can_all_from_reach_with_flag(&X_obj, 2, 4, 0, 0));
} else if (!strcmp(av[1], "commit_contains")) {
struct ref_filter filter;
struct contains_cache cache;
init_contains_cache(&cache);
if (ac > 2 && !strcmp(av[2], "--tag"))
filter.with_commit_tag_algo = 1;
else
filter.with_commit_tag_algo = 0;
printf("%s(_,A,X,_):%d\n", av[1], commit_contains(&filter, A, X, &cache));
} else if (!strcmp(av[1], "get_reachable_subset")) {
const int reachable_flag = 1;
int i, count = 0;
struct commit_list *current;
struct commit_list *list = get_reachable_subset(X_array, X_nr,
Y_array, Y_nr,
reachable_flag);
printf("get_reachable_subset(X,Y)\n");
for (current = list; current; current = current->next) {
if (!(list->item->object.flags & reachable_flag))
die(_("commit %s is not marked reachable"),
oid_to_hex(&list->item->object.oid));
count++;
}
for (i = 0; i < Y_nr; i++) {
if (Y_array[i]->object.flags & reachable_flag)
count--;
}
if (count < 0)
die(_("too many commits marked reachable"));
print_sorted_commit_ids(list);
}
return 0;
}