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

   1 #include "test-tool.h"
   2 #include "cache.h"
   3 #include "tree.h"
   4 #include "cache-tree.h"
   5
   6
   7 static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
   8 {
   9         if (it->entry_count < 0)
  10                 printf("%-40s %s%s (%d subtrees)\n",
  11                        "invalid", x, pfx, it->subtree_nr);
  12         else
  13                 printf("%s %s%s (%d entries, %d subtrees)\n",
  14                        oid_to_hex(&it->oid), x, pfx,
  15                        it->entry_count, it->subtree_nr);
  16 }
  17
  18 static int dump_cache_tree(struct cache_tree *it,
  19                            struct cache_tree *ref,
  20                            const char *pfx)
  21 {
  22         int i;
  23         int errs = 0;
  24
  25         if (!it || !ref)
  26                 /* missing in either */
  27                 return 0;
  28
  29         if (it->entry_count < 0) {
  30                 /* invalid */
  31                 dump_one(it, pfx, "");
  32                 dump_one(ref, pfx, "#(ref) ");
  33         }
  34         else {
  35                 dump_one(it, pfx, "");
  36                 if (!oideq(&it->oid, &ref->oid) ||
  37                     ref->entry_count != it->entry_count ||
  38                     ref->subtree_nr != it->subtree_nr) {
  39                         /* claims to be valid but is lying */
  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                 xsnprintf(path, sizeof(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 cmd__dump_cache_tree(int ac, const char **av)
  59 {
  60         struct index_state istate;
  61         struct cache_tree *another = cache_tree();
  62         setup_git_directory();
  63         if (read_cache() < 0)
  64                 die("unable to read index file");
  65         istate = the_index;
  66         istate.cache_tree = another;
  67         cache_tree_update(&istate, WRITE_TREE_DRY_RUN);
  68         return dump_cache_tree(active_cache_tree, another, "");
  69 }