Added lager for logging

1 files changed, 9 insertions, 2 deletions

diff --git a/src/perm.erl b/src/perm.erl
index 466cc4f..c386d08 100644
--- a/src/perm.erl
+++ b/src/perm.erl
@@ -49,20 +49,27 @@ path_for_key(Rootdir, Key) ->
 
 -spec ensurefile(string(), binary(), binary()) -> ok | differ.
 ensurefile(Rootdir, Key, Content) ->
+    lager:debug("dir ~p key ~p", [Rootdir, Key]),
     {Dirs, Path} = path_for_key(Rootdir, Key),
     case readfile_and_verify(Path, Content) of
 	ok ->
-	    util:fsync([Path, Rootdir | Dirs]);
+            lager:debug("key ~p existed, fsync", [Key]),
+	    util:fsync([Path, Rootdir | Dirs]),
+            lager:debug("key ~p fsynced", [Key]);
         differ ->
+            lager:debug("key ~p existed, was different", [Key]),
             differ;
 	{error, enoent} ->
+            lager:debug("key ~p didn't exist, add", [Key]),
             util:check_error(make_dirs([Rootdir, Rootdir ++ "nursery/"]
                                        ++ Dirs),
                              makedir, "Error creating directory"),
             NurseryName = Rootdir ++ "nursery/" ++
                 util:tempfilename(hex:bin_to_hexstr(Key)),
             util:write_tempfile_and_rename(Path, NurseryName, Content),
-            util:fsync([Path, Rootdir | Dirs]);
+            lager:debug("key ~p added, fsync", [Key]),
+            util:fsync([Path, Rootdir | Dirs]),
+            lager:debug("key ~p fsynced", [Key]);
 	{error, Error} ->
             util:exit_with_error(Error, readfile, "Error reading file")
     end.