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nixos/mpd: allow services.mpd.dbFile to be null 

This change allows users to specify an alternative database method. For
example an mpd satellite setup where another mpd on the network shares
it's database with the local instance. The `dbFile` parameter must not be
configured in that case.

(cherry picked from commit a0797bad2c9ea3781367703bb603ab21e5d64d3e)
release-18.03-flake
Andreas Rammhold 2018-06-01 13:37:43 +02:00
parent 042b073198
commit a9fdfb689b
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1 changed files with 6 additions and 3 deletions
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9
nixos/modules/services/audio/mpd.nix
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@ -13,7 +13,9 @@ let
mpdConf = pkgs.writeText "mpd.conf" ''
music_directory "${cfg.musicDirectory}"
playlist_directory "${cfg.playlistDirectory}"
db_file "${cfg.dbFile}"
${lib.optionalString (cfg.dbFile != null) ''
db_file "${cfg.dbFile}"
''}
state_file "${cfg.dataDir}/state"
sticker_file "${cfg.dataDir}/sticker.sql"
log_file "syslog"
@ -126,11 +128,12 @@ in {
};
dbFile = mkOption {
type = types.str;
type = types.nullOr types.str;
default = "${cfg.dataDir}/tag_cache";
defaultText = ''''${dataDir}/tag_cache'';
description = ''
The path to MPD's database.
The path to MPD's database. If set to <literal>null</literal> the
paramter is omitted from the configuration.
'';
};
};