1 files changed, 30 insertions, 0 deletions
diff --git a/hm/soispha/conf/taskwarrior/firefox/lib.nix b/hm/soispha/conf/taskwarrior/firefox/lib.nix
new file mode 100644
index 00000000..467b9a73
--- /dev/null
+++ b/hm/soispha/conf/taskwarrior/firefox/lib.nix
@@ -0,0 +1,30 @@
+{lib, ...}: {
+  fromHexString = hexString: let
+    fromHexChar = index: char:
+      {
+        "0" = 0;
+        "1" = 1;
+        "2" = 2;
+        "3" = 3;
+        "4" = 4;
+        "5" = 5;
+        "6" = 6;
+        "7" = 7;
+        "8" = 8;
+        "9" = 9;
+        "A" = 10;
+        "B" = 11;
+        "C" = 12;
+        "D" = 13;
+        "E" = 14;
+        "F" = 15;
+      }
+      .${lib.strings.toUpper char}
+      * (
+        if index == 0
+        then 1
+        else index * 16
+      );
+  in
+    lib.lists.foldr (a: b: a + b) 0 (lib.lists.imap0 fromHexChar (lib.lists.reverseList (lib.strings.stringToCharacters hexString)));
+}