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exim: parametrise package

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This allows the definition of a custom derivation of Exim,
which can be used to enable custom features such as LDAP and PAM support.

The default behaviour remains unchanged (defaulting to pkgs.exim).
This commit is contained in:
pacien 2018-09-16 15:19:29 +02:00
parent d499b7d821
commit d73ed4264f
1 changed files with 14 additions and 4 deletions
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18
nixos/modules/services/mail/exim.nix
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@ -2,7 +2,7 @@
let
inherit (lib) mkIf mkOption singleton types;
inherit (pkgs) coreutils exim;
inherit (pkgs) coreutils;
cfg = config.services.exim;
in
@ -57,6 +57,16 @@ in
'';
};
package = mkOption {
type = types.package;
default = pkgs.exim;
defaultText = "pkgs.exim";
description = ''
The Exim derivation to use.
This can be used to enable features such as LDAP or PAM support.
'';
};
};
};
@ -74,7 +84,7 @@ in
spool_directory = ${cfg.spoolDir}
${cfg.config}
'';
systemPackages = [ exim ];
systemPackages = [ cfg.package ];
};
users.users = singleton {
@ -89,14 +99,14 @@ in
gid = config.ids.gids.exim;
};
security.wrappers.exim.source = "${exim}/bin/exim";
security.wrappers.exim.source = "${cfg.package}/bin/exim";
systemd.services.exim = {
description = "Exim Mail Daemon";
wantedBy = [ "multi-user.target" ];
restartTriggers = [ config.environment.etc."exim.conf".source ];
serviceConfig = {
ExecStart = "${exim}/bin/exim -bdf -q30m";
ExecStart = "${cfg.package}/bin/exim -bdf -q30m";
ExecReload = "${coreutils}/bin/kill -HUP $MAINPID";
};
preStart = ''