From d213df5c00d3073d2f3bc09471fce466153df881 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Sat, 11 Jul 2015 16:55:22 +0200
Subject: NWO

---
 4lib/tv/default.nix | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 4lib/tv/default.nix

(limited to '4lib/tv/default.nix')

diff --git a/4lib/tv/default.nix b/4lib/tv/default.nix
new file mode 100644
index 00000000..164a6a1a
--- /dev/null
+++ b/4lib/tv/default.nix
@@ -0,0 +1,62 @@
+{ lib, pkgs, ... }:
+
+with builtins;
+
+let
+  inherit (lib) mapAttrs stringAsChars;
+in
+
+rec {
+  git = import ./git.nix {
+    lib = lib // {
+      inherit addNames;
+    };
+    inherit pkgs;
+  };
+
+  addName = name: set:
+    set // { inherit name; };
+
+  addNames = mapAttrs addName;
+
+
+  # "7.4.335" -> "74"
+  majmin = with lib; x : concatStrings (take 2 (splitString "." x));
+
+
+  concat = xs :
+    if xs == []
+      then ""
+      else head xs + concat (tail xs)
+    ;
+
+  flip = f : x : y : f y x;
+
+  # isSuffixOf :: String -> String -> Bool
+  isSuffixOf =
+    s : xs :
+      let
+        sn = stringLength s;
+        xsn = stringLength xs;
+      in
+        xsn >= sn && substring (xsn - sn) sn xs == s ;
+
+  removeSuffix =
+    s : xs : substring 0 (stringLength xs - stringLength s) xs;
+
+  # setMap :: (String -> a -> b) -> Set String a -> [b]
+  #setMap = f: xs: map (k : f k (getAttr k xs)) (attrNames xs);
+
+  # setToList :: Set k a -> [a]
+  #setToList = setMap (_: v: v);
+
+  shell-escape =
+    let
+      isSafeChar = c: match "[-./0-9_a-zA-Z]" c != null;
+    in
+    stringAsChars (c:
+      if isSafeChar c then c
+      else if c == "\n" then "'\n'"
+      else "\\${c}");
+
+}
-- 
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