do not write null sha1s to on-disk index

diff --git a/list-objects.c b/list-objects.c
index 0fb44e7ed7e8d7a98b8609778191715148f56c8d..3dd4a960190a1b0016b26dec9187692111b73e3f 100644 (file)
--- a/list-objects.c
+++ b/list-objects.c
@@ -12,7 +12,8 @@ static void process_blob(struct rev_info *revs,
                         struct blob *blob,
                         show_object_fn show,
                         struct name_path *path,
-                        const char *name)
+                        const char *name,
+                        void *cb_data)
 {
        struct object *obj = &blob->object;
 
@@ -23,7 +24,7 @@ static void process_blob(struct rev_info *revs,
        if (obj->flags & (UNINTERESTING | SEEN))
                return;
        obj->flags |= SEEN;
-       show(obj, path, name);
+       show(obj, path, name, cb_data);
 }
 
 /*
@@ -52,7 +53,8 @@ static void process_gitlink(struct rev_info *revs,
                            const unsigned char *sha1,
                            show_object_fn show,
                            struct name_path *path,
-                           const char *name)
+                           const char *name,
+                           void *cb_data)
 {
        /* Nothing to do */
 }
@@ -62,13 +64,15 @@ static void process_tree(struct rev_info *revs,
                         show_object_fn show,
                         struct name_path *path,
                         struct strbuf *base,
-                        const char *name)
+                        const char *name,
+                        void *cb_data)
 {
        struct object *obj = &tree->object;
        struct tree_desc desc;
        struct name_entry entry;
        struct name_path me;
-       int match = revs->diffopt.pathspec.nr == 0 ? 2 : 0;
+       enum interesting match = revs->diffopt.pathspec.nr == 0 ?
+               all_entries_interesting: entry_not_interesting;
        int baselen = base->len;
 
        if (!revs->tree_objects)
@@ -80,7 +84,7 @@ static void process_tree(struct rev_info *revs,
        if (parse_tree(tree) < 0)
                die("bad tree object %s", sha1_to_hex(obj->sha1));
        obj->flags |= SEEN;
-       show(obj, path, name);
+       show(obj, path, name, cb_data);
        me.up = path;
        me.elem = name;
        me.elem_len = strlen(name);
@@ -94,26 +98,29 @@ static void process_tree(struct rev_info *revs,
        init_tree_desc(&desc, tree->buffer, tree->size);
 
        while (tree_entry(&desc, &entry)) {
-               if (match != 2) {
+               if (match != all_entries_interesting) {
                        match = tree_entry_interesting(&entry, base, 0,
                                                       &revs->diffopt.pathspec);
-                       if (match < 0)
+                       if (match == all_entries_not_interesting)
                                break;
-                       if (match == 0)
+                       if (match == entry_not_interesting)
                                continue;
                }
 
                if (S_ISDIR(entry.mode))
                        process_tree(revs,
                                     lookup_tree(entry.sha1),
-                                    show, &me, base, entry.path);
+                                    show, &me, base, entry.path,
+                                    cb_data);
                else if (S_ISGITLINK(entry.mode))
                        process_gitlink(revs, entry.sha1,
-                                       show, &me, entry.path);
+                                       show, &me, entry.path,
+                                       cb_data);
                else
                        process_blob(revs,
                                     lookup_blob(entry.sha1),
-                                    show, &me, entry.path);
+                                    show, &me, entry.path,
+                                    cb_data);
        }
        strbuf_setlen(base, baselen);
        free(tree->buffer);
@@ -185,17 +192,17 @@ void traverse_commit_list(struct rev_info *revs,
                        continue;
                if (obj->type == OBJ_TAG) {
                        obj->flags |= SEEN;
-                       show_object(obj, NULL, name);
+                       show_object(obj, NULL, name, data);
                        continue;
                }
                if (obj->type == OBJ_TREE) {
                        process_tree(revs, (struct tree *)obj, show_object,
-                                    NULL, &base, name);
+                                    NULL, &base, name, data);
                        continue;
                }
                if (obj->type == OBJ_BLOB) {
                        process_blob(revs, (struct blob *)obj, show_object,
-                                    NULL, name);
+                                    NULL, name, data);
                        continue;
                }
                die("unknown pending object %s (%s)",