fixes #88

2018-02-23 14:56:28 +01:00 · 2018-02-23 14:56:28 +01:00 · 5d169c3ef2
parent a3043b2242
commit 5d169c3ef2
1 changed files with 7 additions and 3 deletions
--- a/mail-server/systemd.nix
+++ b/mail-server/systemd.nix
@ -41,9 +41,13 @@ let
  createDhParameterFile =
    ''
      # Create a dh parameter file
-      ${pkgs.openssl}/bin/openssl \
-            dhparam ${builtins.toString cfg.dhParamBitLength} \
-            > "${cfg.certificateDirectory}/dh.pem"
+      if [ ! -f "''${cfg.certificateDirectory}/dh.pem" ]
+      then
+          mkdir -p "${cfg.certificateDirectory}"
+          ${pkgs.openssl}/bin/openssl \
+                dhparam ${builtins.toString cfg.dhParamBitLength} \
+                > "${cfg.certificateDirectory}/dh.pem"
+      fi
    '';

  createDomainDkimCert = dom: