diff options
| -rw-r--r-- | tools/gridss-configFile.nix | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/gridss-configFile.nix b/tools/gridss-configFile.nix new file mode 100644 index 0000000..838c292 --- /dev/null +++ b/tools/gridss-configFile.nix @@ -0,0 +1,36 @@ +{bionix, nixpkgs}: + +with nixpkgs; + +let + attrsToGridssConfigString = attrsToGridssConfigStringPrepend ""; + + attrsToGridssConfigStringPrepend = prepend: attrs: + lib.concatStringsSep "\n" ( + lib.attrValues ( + lib.mapAttrs + (name: attr: prepend + (iniLine name attr)) + attrs)); + + iniLine = name: attr: + let attrType = builtins.typeOf attr; + in + if (iniLineByAttrType ? ${attrType}) + then (iniLineByAttrType.${attrType} name attr) + else builtins.throw ( + "`gridssConfig` cannot convert attribute of type \"" + attrType + "\"."); + + iniLineByAttrType = { + string = name: attr: name + " = " + attr; + int = name: attr: name + " = " + builtins.toString attr; + float = name: attr: name + " = " + ( + builtins.head ( + builtins.match "([0-9]+\.0?[1-9]*)0+" (builtins.toString attr))); + bool = name: attr: name + " = " + (if attr == true then "true" else "false"); + attrs = name: attr: attrsToGridssConfigStringPrepend (name + ".") attr; + # Allows for repeated fields (e.g. for adapters): + list = name: attr: concatStringsSep "\n" (map (x: iniLine name x) attr); + }; +in configAttrs: (writeText + "gridss.properties.override" + (attrsToGridssConfigString configAttrs)) |