Code

engine.pl: Fix a recent breakage of the buildsystem generator
[git.git] / test-dump-cache-tree.c
1 #include "cache.h"
2 #include "tree.h"
3 #include "cache-tree.h"
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 }
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;
24         if (!it || !ref)
25                 /* missing in either */
26                 return 0;
28         if (it->entry_count < 0) {
29                 dump_one(it, pfx, "");
30                 dump_one(ref, pfx, "#(ref) ");
31                 if (it->subtree_nr != ref->subtree_nr)
32                         errs = 1;
33         }
34         else {
35                 dump_one(it, pfx, "");
36                 if (hashcmp(it->sha1, ref->sha1) ||
37                     ref->entry_count != it->entry_count ||
38                     ref->subtree_nr != it->subtree_nr) {
39                         dump_one(ref, pfx, "#(ref) ");
40                         errs = 1;
41                 }
42         }
44         for (i = 0; i < it->subtree_nr; i++) {
45                 char path[PATH_MAX];
46                 struct cache_tree_sub *down = it->down[i];
47                 struct cache_tree_sub *rdwn;
49                 rdwn = cache_tree_sub(ref, down->name);
50                 sprintf(path, "%s%.*s/", pfx, down->namelen, down->name);
51                 if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
52                         errs = 1;
53         }
54         return errs;
55 }
57 int main(int ac, char **av)
58 {
59         struct cache_tree *another = cache_tree();
60         if (read_cache() < 0)
61                 die("unable to read index file");
62         cache_tree_update(another, active_cache, active_nr, 0, 1);
63         return dump_cache_tree(active_cache_tree, another, "");
64 }