root/test-dump-cache-tree.c

DEFINITIONS

1. dump_one
2. dump_cache_tree
3. main

#include "cache.h"
#include "tree.h"
#include "cache-tree.h"


static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
{
        if (it->entry_count < 0)
                printf("%-40s %s%s (%d subtrees)\n",
                       "invalid", x, pfx, it->subtree_nr);
        else
                printf("%s %s%s (%d entries, %d subtrees)\n",
                       sha1_to_hex(it->sha1), x, pfx,
                       it->entry_count, it->subtree_nr);
}

static int dump_cache_tree(struct cache_tree *it,
                           struct cache_tree *ref,
                           const char *pfx)
{
        int i;
        int errs = 0;

        if (!it || !ref)
                /* missing in either */
                return 0;

        if (it->entry_count < 0) {
                /* invalid */
                dump_one(it, pfx, "");
                dump_one(ref, pfx, "#(ref) ");
        }
        else {
                dump_one(it, pfx, "");
                if (hashcmp(it->sha1, ref->sha1) ||
                    ref->entry_count != it->entry_count ||
                    ref->subtree_nr != it->subtree_nr) {
                        /* claims to be valid but is lying */
                        dump_one(ref, pfx, "#(ref) ");
                        errs = 1;
                }
        }

        for (i = 0; i < it->subtree_nr; i++) {
                char path[PATH_MAX];
                struct cache_tree_sub *down = it->down[i];
                struct cache_tree_sub *rdwn;

                rdwn = cache_tree_sub(ref, down->name);
                sprintf(path, "%s%.*s/", pfx, down->namelen, down->name);
                if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
                        errs = 1;
        }
        return errs;
}

int main(int ac, char **av)
{
        struct index_state istate;
        struct cache_tree *another = cache_tree();
        if (read_cache() < 0)
                die("unable to read index file");
        istate = the_index;
        istate.cache_tree = another;
        cache_tree_update(&istate, WRITE_TREE_DRY_RUN);
        return dump_cache_tree(active_cache_tree, another, "");
}