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

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