Github user rnewson commented on a diff in the pull request:
https://github.com/apache/couchdb-couch/pull/27#discussion_r22408655
--- Diff: src/couch_file.erl ---
@@ -257,13 +257,43 @@ nuke_dir(RootDelDir, Dir) ->
init_delete_dir(RootDir) ->
Dir = filename:join(RootDir,".delete"),
- % note: ensure_dir requires an actual filename companent, which is the
- % reason for "foo".
- filelib:ensure_dir(filename:join(Dir,"foo")),
+ ensure_dir(Dir),
+ TmpDir = make_temp_name(Dir),
+ % rename original directory so we can return and delete files
asynchronously
+ ok = file:rename(Dir, TmpDir),
+ % recreate original directory
+ ensure_dir(Dir),
+ spawn(fun() -> delete_temp_dirs(RootDir, Dir) end),
+ ok.
+
+
+make_temp_name(Prefix) ->
+ {A,B,C} = now(),
+ lists:flatten(io_lib:format("~s.tmp-~p.~p.~p",[Prefix, A, B, C])).
+
+
+delete_temp_dirs(RootDir, Prefix) ->
+ Dirs = filelib:wildcard(Prefix ++ ".tmp-" ++ "*", RootDir),
+ [ok = delete_dir(Dir) || Dir <- Dirs],
+ ok.
+
+
+ensure_dir(Dir) ->
+ filelib:ensure_dir(Dir ++ "/").
--- End diff --
it's not always a forward slash ;)
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
