From 93e5bdb9e642fde17ca330d32cebe7d531b657b2 Mon Sep 17 00:00:00 2001
From: Craig Everett <zxq9@zxq9.com>
Date: Sun, 5 Jan 2020 23:05:51 +0900
Subject: [PATCH] Make zx_daemon:idle/0 safe to call in all cases.

---
 zomp/lib/otpr/zx/0.5.9/src/zx.erl        | 12 ++++++++----
 zomp/lib/otpr/zx/0.5.9/src/zx_daemon.erl |  5 ++++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/zomp/lib/otpr/zx/0.5.9/src/zx.erl b/zomp/lib/otpr/zx/0.5.9/src/zx.erl
index 9573507..331a1a0 100644
--- a/zomp/lib/otpr/zx/0.5.9/src/zx.erl
+++ b/zomp/lib/otpr/zx/0.5.9/src/zx.erl
@@ -372,11 +372,15 @@ start() ->
                     Error           -> done(Error)
                 end;
             ["rundir", Path | _] ->
-                {ok, #{package_id := PackageID}} = zx_lib:read_project_meta(Path),
-                zx_lib:new_logpath(PackageID);
+                case zx_lib:read_project_meta(Path) of
+                    {ok, #{package_id := PackageID}} -> zx_lib:new_logpath(PackageID);
+                    Error                            -> done(Error)
+                end;
             ["runlocal" | _] ->
-                {ok, #{package_id := PackageID}} = zx_lib:read_project_meta(),
-                zx_lib:new_logpath(PackageID);
+                case zx_lib:read_project_meta() of
+                    {ok, #{package_id := PackageID}} -> zx_lib:new_logpath(PackageID);
+                    Error                            -> done(Error)
+                end;
             _ ->
                 {ok, Version} = zx_lib:string_to_version(os:getenv("ZX_VERSION")),
                 zx_lib:new_logpath({"otpr", "zx", Version})
diff --git a/zomp/lib/otpr/zx/0.5.9/src/zx_daemon.erl b/zomp/lib/otpr/zx/0.5.9/src/zx_daemon.erl
index 5ac517d..0942607 100644
--- a/zomp/lib/otpr/zx/0.5.9/src/zx_daemon.erl
+++ b/zomp/lib/otpr/zx/0.5.9/src/zx_daemon.erl
@@ -790,7 +790,10 @@ conf(Attribute, Value) ->
 %%% (pre) Shutdown
 
 idle() ->
-    gen_server:call(?MODULE, idle).
+    case whereis(?MODULE) of
+        undefined -> ok;
+        Daemon    -> gen_server:call(Daemon, idle)
+    end.