From 829b688827a3de38d7e43e2d045f28a727be25eb Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Sun, 8 Dec 2019 21:46:30 +0100
Subject: [PATCH] mbsync: skip maildir creation if no account is defined

Fixes #937

(cherry picked from commit 621c98f15a31e7f0c1389f69aaacd0ac267ce29e)
---
 modules/programs/mbsync.nix | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/modules/programs/mbsync.nix b/modules/programs/mbsync.nix
index 908a1add7..e50086bb2 100644
--- a/modules/programs/mbsync.nix
+++ b/modules/programs/mbsync.nix
@@ -178,11 +178,13 @@ in
           ++ groupsConfig
         ) + "\n";
 
-    home.activation.createMaildir =
-      dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
-        $DRY_RUN_CMD mkdir -m700 -p $VERBOSE_ARG ${
-          concatMapStringsSep " " (a: a.maildir.absPath) mbsyncAccounts
-        }
-      '';
+    home.activation = mkIf (mbsyncAccounts != []) {
+      createMaildir =
+        dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
+          $DRY_RUN_CMD mkdir -m700 -p $VERBOSE_ARG ${
+            concatMapStringsSep " " (a: a.maildir.absPath) mbsyncAccounts
+          }
+        '';
+    };
   };
 }