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

   1 #define USE_THE_INDEX_VARIABLE
   2 #include "test-tool.h"
   3 #include "hash.h"
   4 #include "hex.h"
   5 #include "tree.h"
   6 #include "cache-tree.h"
   7 #include "read-cache-ll.h"
   8 #include "repository.h"
   9 #include "setup.h"
  10
  11 static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
  12 {
  13         if (it->entry_count < 0)
  14                 printf("%-40s %s%s (%d subtrees)\n",
  15                        "invalid", x, pfx, it->subtree_nr);
  16         else
  17                 printf("%s %s%s (%d entries, %d subtrees)\n",
  18                        oid_to_hex(&it->oid), x, pfx,
  19                        it->entry_count, it->subtree_nr);
  20 }
  21
  22 static int dump_cache_tree(struct cache_tree *it,
  23                            struct cache_tree *ref,
  24                            const char *pfx)
  25 {
  26         int i;
  27         int errs = 0;
  28
  29         if (!it || !ref)
  30                 /* missing in either */
  31                 return 0;
  32
  33         if (it->entry_count < 0) {
  34                 /* invalid */
  35                 dump_one(it, pfx, "");
  36                 dump_one(ref, pfx, "#(ref) ");
  37         }
  38         else {
  39                 dump_one(it, pfx, "");
  40                 if (!oideq(&it->oid, &ref->oid) ||
  41                     ref->entry_count != it->entry_count ||
  42                     ref->subtree_nr != it->subtree_nr) {
  43                         /* claims to be valid but is lying */
  44                         dump_one(ref, pfx, "#(ref) ");
  45                         errs = 1;
  46                 }
  47         }
  48
  49         for (i = 0; i < it->subtree_nr; i++) {
  50                 char path[PATH_MAX];
  51                 struct cache_tree_sub *down = it->down[i];
  52                 struct cache_tree_sub *rdwn;
  53
  54                 rdwn = cache_tree_sub(ref, down->name);
  55                 xsnprintf(path, sizeof(path), "%s%.*s/", pfx, down->namelen, down->name);
  56                 if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
  57                         errs = 1;
  58         }
  59         return errs;
  60 }
  61
  62 int cmd__dump_cache_tree(int ac UNUSED, const char **av UNUSED)
  63 {
  64         struct index_state istate;
  65         struct cache_tree *another = cache_tree();
  66         int ret;
  67
  68         setup_git_directory();
  69         if (repo_read_index(the_repository) < 0)
  70                 die("unable to read index file");
  71         istate = the_index;
  72         istate.cache_tree = another;
  73         cache_tree_update(&istate, WRITE_TREE_DRY_RUN);
  74         ret = dump_cache_tree(the_index.cache_tree, another, "");
  75         cache_tree_free(&another);
  76
  77         return ret;
  78 }