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systemd-initrd: Fix Environment= and PATH

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This commit is contained in:
Will Fancher 2022-03-20 21:04:53 -04:00
parent 3365666840
commit 9828446608
1 changed files with 8 additions and 1 deletions
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9
nixos/lib/systemd-lib.nix
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@ -295,7 +295,7 @@ in rec {
config = mkMerge
[ { # Default path for systemd services. Should be quite minimal.
path = mkAfter path;
environment.PATH = "${makeBinPath config.path}:${makeSearchPathOutput "bin" "sbin" config.path}";
environment.PATH = mkIf (config.path != []) "${makeBinPath config.path}:${makeSearchPathOutput "bin" "sbin" config.path}";
}
(mkIf (config.preStart != "")
{ serviceConfig.ExecStartPre =
@ -396,6 +396,13 @@ in rec {
text = commonUnitText def +
''
[Service]
${let env = def.environment;
in concatMapStrings (n:
let s = optionalString (env.${n} != null)
"Environment=${builtins.toJSON "${n}=${env.${n}}"}\n";
# systemd max line length is now 1MiB
# https://github.com/systemd/systemd/commit/e6dde451a51dc5aaa7f4d98d39b8fe735f73d2af
in if stringLength s >= 1048576 then throw "The value of the environment variable ‘${n}’ in systemd service ‘${name}.service’ is too long." else s) (attrNames env)}
${attrsToSection def.serviceConfig}
'';
};