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Check for systemd environment variables that are too long

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Issue #3403. For the case of $PATH being too long, we could call
buildEnv automatically.
This commit is contained in:
Eelco Dolstra 2014-07-30 10:28:05 +02:00
parent 6479d6fea4
commit 9956b97b2f
1 changed files with 3 additions and 1 deletions
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4
nixos/modules/system/boot/systemd.nix
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@ -317,7 +317,9 @@ let
''
[Service]
${let env = cfg.globalEnvironment // def.environment;
in concatMapStrings (n: "Environment=\"${n}=${getAttr n env}\"\n") (attrNames env)}
in concatMapStrings (n:
let s = "Environment=\"${n}=${getAttr n env}\"\n";
in if stringLength s >= 2048 then throw "The value of the environment variable ‘${n}’ in systemd service ‘${name}.service’ is too long." else s) (attrNames env)}
${if def.reloadIfChanged then ''
X-ReloadIfChanged=true
'' else if !def.restartIfChanged then ''