Replace unsetenv() and setenv() with older putenv().

diff --git a/rev-list.c b/rev-list.c
index ce5b8b2ad528830eb0c6572edcdc55d97422952c..3643adb631d550a0ae225a5cfc53cb34330199f3 100644 (file)
--- a/rev-list.c
+++ b/rev-list.c
@@ -418,6 +418,8 @@ static struct commit *get_commit_reference(const char *name, unsigned int flags)
                if (tag_objects && !(object->flags & UNINTERESTING))
                        add_pending_object(object, tag->tag);
                object = parse_object(tag->tagged->sha1);
+               if (!object)
+                       die("bad object %s", sha1_to_hex(tag->tagged->sha1));
        }
 
        /*
@@ -479,6 +481,7 @@ static void handle_one_commit(struct commit *com, struct commit_list **lst)
 int main(int argc, char **argv)
 {
        struct commit_list *list = NULL;
+       const char *prefix = setup_git_directory();
        int i, limited = 0;
 
        for (i = 1 ; i < argc; i++) {