add launchd module

1 files changed, 28 insertions, 0 deletions

diff --git a/modules/launchd/lib.nix b/modules/launchd/lib.nix
new file mode 100644
index 0000000..483a0d1
--- /dev/null
+++ b/modules/launchd/lib.nix
@@ -0,0 +1,28 @@
+{ lib }:
+
+with lib;
+
+rec {
+
+  xmlMap = f: xs: ''
+    <array>
+    ${concatMapStringsSep "\n" f xs}
+    </array>
+  '';
+
+  xmlMapAttrs = f: attr: ''
+    <dict>
+    ${concatStringsSep "\n" (mapAttrsFlatten (xmlMapAttr f) attr)}
+    </dict>
+  '';
+
+  xmlMapAttr = f: n: v: optionalString (v != null) ''
+    <key>${n}</key>
+    ${f v}
+  '';
+
+  xmlBool = x: if x then "<true/>" else "<false/>";
+  xmlInt = x: "<integer>${toString x}</integer>";
+  xmlString = x: "<string>${x}</string>";
+
+}