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nixos/systemd: ignore null environment options

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This commit is contained in:
Jaka Hudoklin 2014-12-07 21:44:20 +01:00
parent ad4ad11fbc
commit 8bb6fdc4f9
1 changed files with 2 additions and 1 deletions
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3
nixos/modules/system/boot/systemd.nix
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@ -348,7 +348,8 @@ let
[Service]
${let env = cfg.globalEnvironment // def.environment;
in concatMapStrings (n:
let s = "Environment=\"${n}=${env.${n}}\"\n";
let s = optionalString (env."${n}" != null)
"Environment=\"${n}=${env.${n}}\"\n";
in if stringLength s >= 2048 then throw "The value of the environment variable ‘${n}’ in systemd service ‘${name}.service’ is too long." else s) (attrNames env)}
${if def.reloadIfChanged then ''
X-ReloadIfChanged=true