exim: parametrise package
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).
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@ -2,7 +2,7 @@
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let
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inherit (lib) mkIf mkOption singleton types;
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inherit (pkgs) coreutils exim;
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inherit (pkgs) coreutils;
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cfg = config.services.exim;
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in
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@ -57,6 +57,16 @@ in
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.exim;
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defaultText = "pkgs.exim";
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description = ''
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The Exim derivation to use.
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This can be used to enable features such as LDAP or PAM support.
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'';
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};
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};
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};
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@ -74,7 +84,7 @@ in
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spool_directory = ${cfg.spoolDir}
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${cfg.config}
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'';
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systemPackages = [ exim ];
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systemPackages = [ cfg.package ];
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};
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users.users = singleton {
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@ -89,14 +99,14 @@ in
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gid = config.ids.gids.exim;
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};
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security.wrappers.exim.source = "${exim}/bin/exim";
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security.wrappers.exim.source = "${cfg.package}/bin/exim";
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systemd.services.exim = {
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description = "Exim Mail Daemon";
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wantedBy = [ "multi-user.target" ];
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restartTriggers = [ config.environment.etc."exim.conf".source ];
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serviceConfig = {
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ExecStart = "${exim}/bin/exim -bdf -q30m";
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ExecStart = "${cfg.package}/bin/exim -bdf -q30m";
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ExecReload = "${coreutils}/bin/kill -HUP $MAINPID";
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};
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preStart = ''
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