Optimize peel_ref for the current ref of a for_each_ref callback

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 1967d100f28d70e588fde618aa7ed4a10b76ee1d..7bdc312e3861103fa83b20b939962a8bc8e6cc0a 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -13,15 +13,16 @@
 #include "dir.h"
 #include "builtin.h"
 
+#define MAX_TREES 8
 static int nr_trees;
-static struct tree *trees[4];
+static struct tree *trees[MAX_TREES];
 
 static int list_tree(unsigned char *sha1)
 {
        struct tree *tree;
 
-       if (nr_trees >= 4)
-               return -1;
+       if (nr_trees >= MAX_TREES)
+               die("I cannot read more than %d trees", MAX_TREES);
        tree = parse_tree_indirect(sha1);
        if (!tree)
                return -1;
@@ -40,12 +41,12 @@ static int read_cache_unmerged(void)
        for (i = 0; i < active_nr; i++) {
                struct cache_entry *ce = active_cache[i];
                if (ce_stage(ce)) {
+                       remove_index_entry(ce);
                        if (last && !strcmp(ce->name, last->name))
                                continue;
                        cache_tree_invalidate_path(active_cache_tree, ce->name);
                        last = ce;
-                       ce->ce_mode = 0;
-                       ce->ce_flags &= ~htons(CE_STAGEMASK);
+                       continue;
                }
                *dst++ = ce;
        }
@@ -96,7 +97,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 {
        int i, newfd, stage = 0;
        unsigned char sha1[20];
-       struct tree_desc t[3];
+       struct tree_desc t[MAX_TREES];
        struct unpack_trees_options opts;
 
        memset(&opts, 0, sizeof(opts));
@@ -282,7 +283,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
        }
 
        if (write_cache(newfd, active_cache, active_nr) ||
-           close(newfd) || commit_locked_index(&lock_file))
+           commit_locked_index(&lock_file))
                die("unable to write new index file");
        return 0;
 }