daemon: new option --detach to run git-daemon in background

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index c3aac36024626b31a60baa52f9e596169024b03a..449a4d1b575b591aa07a40532649f9ea06eb6890 100644 (file)
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -16,7 +16,7 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
        int entries, was_valid, newfd;
 
        /* We can't free this memory, it becomes part of a linked list parsed atexit() */
-       struct lock_file *lock_file = xmalloc(sizeof(struct lock_file));
+       struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
        newfd = hold_lock_file_for_update(lock_file, get_index_file());
 
@@ -35,7 +35,8 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
                                      missing_ok, 0) < 0)
                        die("git-write-tree: error building trees");
                if (0 <= newfd) {
-                       if (!write_cache(newfd, active_cache, active_nr))
+                       if (!write_cache(newfd, active_cache, active_nr)
+                                       && !close(newfd))
                                commit_lock_file(lock_file);
                }
                /* Not being able to write is fine -- we are only interested