nixos/systemd: update max line length in systemd units

The length check was introduced[0] to match systemd's max line
length. This limit has been increased[1][2] to 1MiB, starting with
systemd v235.

[0] https://github.com/nixos/nixpkgs/issues/3403
[1] e6dde451a5
    (relevant systemd commit)
[2] https://github.com/systemd/systemd/issues/3302
    (more context on systemd change)
This commit is contained in:
Sharif Olorin 2019-02-10 00:11:31 +00:00
parent 2aa0ba2c9b
commit 3755577ba6

View File

@ -321,7 +321,9 @@ let
in concatMapStrings (n:
let s = optionalString (env."${n}" != null)
"Environment=${builtins.toJSON "${n}=${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)}
# 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)}
${if def.reloadIfChanged then ''
X-ReloadIfChanged=true
'' else if !def.restartIfChanged then ''