read-tree: add tests for confusing paths like ".." and ".git"

diff --git a/unpack-trees.c b/unpack-trees.c
index 1a61e6f363d6a03b262ad5e5a28c58c2caf722d5..cf8996e0eab665fbef0672fcdfd576babfceeff4 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -102,7 +102,7 @@ void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
                opts->unpack_rejects[i].strdup_strings = 1;
 }
 
-static void do_add_entry(struct unpack_trees_options *o, struct cache_entry *ce,
+static int do_add_entry(struct unpack_trees_options *o, struct cache_entry *ce,
                         unsigned int set, unsigned int clear)
 {
        clear |= CE_HASHED | CE_UNHASHED;
@@ -112,8 +112,8 @@ static void do_add_entry(struct unpack_trees_options *o, struct cache_entry *ce,
 
        ce->next = NULL;
        ce->ce_flags = (ce->ce_flags & ~clear) | set;
-       add_index_entry(&o->result, ce,
-                       ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
+       return add_index_entry(&o->result, ce,
+                              ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
 }
 
 static struct cache_entry *dup_entry(const struct cache_entry *ce)
@@ -608,7 +608,9 @@ static int unpack_nondirectories(int n, unsigned long mask,
 
        for (i = 0; i < n; i++)
                if (src[i] && src[i] != o->df_conflict_entry)
-                       do_add_entry(o, src[i], 0, 0);
+                       if (do_add_entry(o, src[i], 0, 0))
+                               return -1;
+
        return 0;
 }
 
@@ -1357,7 +1359,7 @@ static int icase_exists(struct unpack_trees_options *o, const char *name, int le
 {
        const struct cache_entry *src;
 
-       src = index_name_exists(o->src_index, name, len, 1);
+       src = index_file_exists(o->src_index, name, len, 1);
        return src && !ie_match_stat(o->src_index, src, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
 }
 
@@ -1403,7 +1405,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
         * delete this path, which is in a subdirectory that
         * is being replaced with a blob.
         */
-       result = index_name_exists(&o->result, name, len, 0);
+       result = index_file_exists(&o->result, name, len, 0);
        if (result) {
                if (result->ce_flags & CE_REMOVE)
                        return 0;