t/helper/test-dump-cache-tree.c

   1 #include "test-tool.h"
   2 #include "hash.h"
   3 #include "hex.h"
   4 #include "tree.h"
   5 #include "cache-tree.h"
   6 #include "read-cache-ll.h"
   7 #include "repository.h"
   8 #include "setup.h"
   9
  10 static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
  11 {
  12         if (it->entry_count < 0)
  13                 printf("%-40s %s%s (%d subtrees)\n",
  14                        "invalid", x, pfx, it->subtree_nr);
  15         else
  16                 printf("%s %s%s (%d entries, %d subtrees)\n",
  17                        oid_to_hex(&it->oid), x, pfx,
  18                        it->entry_count, it->subtree_nr);
  19 }
  20
  21 static int dump_cache_tree(struct cache_tree *it,
  22                            struct cache_tree *ref,
  23                            const char *pfx)
  24 {
  25         int i;
  26         int errs = 0;
  27
  28         if (!it || !ref)
  29                 /* missing in either */
  30                 return 0;
  31
  32         if (it->entry_count < 0) {
  33                 /* invalid */
  34                 dump_one(it, pfx, "");
  35                 dump_one(ref, pfx, "#(ref) ");
  36         }
  37         else {
  38                 dump_one(it, pfx, "");
  39                 if (!oideq(&it->oid, &ref->oid) ||
  40                     ref->entry_count != it->entry_count ||
  41                     ref->subtree_nr != it->subtree_nr) {
  42                         /* claims to be valid but is lying */
  43                         dump_one(ref, pfx, "#(ref) ");
  44                         errs = 1;
  45                 }
  46         }
  47
  48         for (i = 0; i < it->subtree_nr; i++) {
  49                 char path[PATH_MAX];
  50                 struct cache_tree_sub *down = it->down[i];
  51                 struct cache_tree_sub *rdwn;
  52
  53                 rdwn = cache_tree_sub(ref, down->name);
  54                 xsnprintf(path, sizeof(path), "%s%.*s/", pfx, down->namelen, down->name);
  55                 if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
  56                         errs = 1;
  57         }
  58         return errs;
  59 }
  60
  61 int cmd__dump_cache_tree(int ac UNUSED, const char **av UNUSED)
  62 {
  63         struct index_state istate;
  64         struct cache_tree *another = cache_tree();
  65         int ret;
  66
  67         setup_git_directory();
  68         if (repo_read_index(the_repository) < 0)
  69                 die("unable to read index file");
  70         istate = *the_repository->index;
  71         istate.cache_tree = another;
  72         cache_tree_update(&istate, WRITE_TREE_DRY_RUN);
  73         ret = dump_cache_tree(the_repository->index->cache_tree, another, "");
  74         cache_tree_free(&another);
  75
  76         return ret;
  77 }