diff options
Diffstat (limited to 'custom')
| -rw-r--r-- | custom/thinklight.nix | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/custom/thinklight.nix b/custom/thinklight.nix index ced11d02..346bd21a 100644 --- a/custom/thinklight.nix +++ b/custom/thinklight.nix | |||
| @@ -9,7 +9,7 @@ stdenv.mkDerivation { | |||
| 9 | source $stdenv/setup | 9 | source $stdenv/setup |
| 10 | mkdir -p $out/bin | 10 | mkdir -p $out/bin |
| 11 | $ghc/bin/ghc $src -o $out/bin/thinklight | 11 | $ghc/bin/ghc $src -o $out/bin/thinklight |
| 12 | wrapProgram $out/bin/thinklight --set THINKLIGHT ${thinklight} | 12 | chmod +4000 $out/bin/thinklight |
| 13 | ''; | 13 | ''; |
| 14 | src = builtins.toFile "source.hs" '' | 14 | src = builtins.toFile "source.hs" '' |
| 15 | import Control.Monad (sequence) | 15 | import Control.Monad (sequence) |
| @@ -21,7 +21,6 @@ stdenv.mkDerivation { | |||
| 21 | import Prelude hiding (readFile) | 21 | import Prelude hiding (readFile) |
| 22 | import Data.List (intersperse) | 22 | import Data.List (intersperse) |
| 23 | import Data.Maybe (fromMaybe) | 23 | import Data.Maybe (fromMaybe) |
| 24 | import System.Posix.User (setEffectiveUserID) | ||
| 25 | 24 | ||
| 26 | data Mode = On | Off | Toggle | Blink deriving (Read, Show, Eq) | 25 | data Mode = On | Off | Toggle | Blink deriving (Read, Show, Eq) |
| 27 | 26 | ||
| @@ -29,14 +28,11 @@ stdenv.mkDerivation { | |||
| 29 | main = do | 28 | main = do |
| 30 | args <- getArgs | 29 | args <- getArgs |
| 31 | let mode = if length args >= 1 then read $ head args else Toggle | 30 | let mode = if length args >= 1 then read $ head args else Toggle |
| 32 | setEffectiveUserID 0 | ||
| 33 | sequence $ map (\g -> catchIOError g (\e -> if isDoesNotExistError e then return () else ioError e)) [thinklight mode] | 31 | sequence $ map (\g -> catchIOError g (\e -> if isDoesNotExistError e then return () else ioError e)) [thinklight mode] |
| 34 | return () | 32 | return () |
| 35 | 33 | ||
| 36 | findBase :: IO FilePath | 34 | findBase :: IO FilePath |
| 37 | findBase = do | 35 | findBase = return "/sys/class/leds/tpacpi::${thinklight}" |
| 38 | env <- fromMaybe "thinklight" <$> lookupEnv "THINKLIGHT" | ||
| 39 | return $ "/sys/class/leds/tpacpi::" ++ env | ||
| 40 | 36 | ||
| 41 | readMax, readCurrent :: IO String | 37 | readMax, readCurrent :: IO String |
| 42 | readMax = readFile =<< ((</> "max_brightness") <$> findBase) | 38 | readMax = readFile =<< ((</> "max_brightness") <$> findBase) |
