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

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