test-dump-cache-tree: validate the cached data as well.
[git.git] / dump-cache-tree.c
1 #include "cache.h"
2 #include "tree.h"
3 #include "cache-tree.h"
4
5
6 static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
7 {
8         if (it->entry_count < 0)
9                 printf("%-40s %s%s (%d subtrees)\n",
10                        "invalid", x, pfx, it->subtree_nr);
11         else
12                 printf("%s %s%s (%d entries, %d subtrees)\n",
13                        sha1_to_hex(it->sha1), x, pfx,
14                        it->entry_count, it->subtree_nr);
15 }
16
17 static int dump_cache_tree(struct cache_tree *it,
18                            struct cache_tree *ref,
19                            const char *pfx)
20 {
21         int i;
22         int errs = 0;
23
24         if (!it)
25                 return;
26         if (!ref)
27                 die("internal error");
28
29         if (it->entry_count < 0) {
30                 dump_one(it, pfx, "");
31                 dump_one(ref, pfx, "#(ref) ");
32                 if (it->subtree_nr != ref->subtree_nr)
33                         errs = 1;
34         }
35         else {
36                 dump_one(it, pfx, "");
37                 if (memcmp(it->sha1, ref->sha1, 20) ||
38                     ref->entry_count != it->entry_count ||
39                     ref->subtree_nr != it->subtree_nr) {
40                         dump_one(ref, pfx, "#(ref) ");
41                         errs = 1;
42                 }
43         }
44
45         for (i = 0; i < it->subtree_nr; i++) {
46                 char path[PATH_MAX];
47                 struct cache_tree_sub *down = it->down[i];
48                 struct cache_tree_sub *rdwn;
49
50                 rdwn = cache_tree_sub(ref, down->name);
51                 sprintf(path, "%s%.*s/", pfx, down->namelen, down->name);
52                 if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
53                         errs = 1;
54         }
55         return errs;
56 }
57
58 int main(int ac, char **av)
59 {
60         struct cache_tree *another = cache_tree();
61         if (read_cache() < 0)
62                 die("unable to read index file");
63         cache_tree_update(another, active_cache, active_nr, 0, 1);
64         return dump_cache_tree(active_cache_tree, another, "");
65 }