treewide: rename tree to maybe_tree

diff --git a/merge-recursive.c b/merge-recursive.c
index 6ff971f9a2a8e251b8762d75214697698e2d1ce6..0f75d75d1788aeba20d71347115add5ac1f5afdd 100644 (file)
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -101,7 +101,7 @@ static struct commit *make_virtual_commit(struct tree *tree, const char *comment
        struct commit *commit = alloc_commit_node();
 
        set_merge_remote_desc(commit, comment, (struct object *)commit);
-       commit->tree = tree;
+       commit->maybe_tree = tree;
        commit->object.parsed = 1;
        return commit;
 }
@@ -2154,7 +2154,8 @@ int merge_recursive(struct merge_options *o,
                read_cache();
 
        o->ancestor = "merged common ancestors";
-       clean = merge_trees(o, h1->tree, h2->tree, merged_common_ancestors->tree,
+       clean = merge_trees(o, h1->maybe_tree, h2->maybe_tree,
+                           merged_common_ancestors->maybe_tree,
                            &mrtree);
        if (clean < 0) {
                flush_output(o);