which-embed (empty) → 0.1.0
raw patch · 6 files changed
+319/−0 lines, 6 filesdep +basedep +bytestringdep +directory
Dependencies added: base, bytestring, directory, exceptions, file-embed, path, path-io, template-haskell, unix, which
Files
- CHANGELOG.md +5/−0
- LICENSE +202/−0
- NOTICE +14/−0
- README.md +3/−0
- src/Data/WhichEmbed.hs +55/−0
- which-embed.cabal +40/−0
+ CHANGELOG.md view
@@ -0,0 +1,5 @@+# ChangeLog for embed-which++## 0.1.0++* Initial version of embed-which.
+ LICENSE view
@@ -0,0 +1,202 @@++ Apache License+ Version 2.0, January 2004+ http://www.apache.org/licenses/++ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION++ 1. Definitions.++ "License" shall mean the terms and conditions for use, reproduction,+ and distribution as defined by Sections 1 through 9 of this document.++ "Licensor" shall mean the copyright owner or entity authorized by+ the copyright owner that is granting the License.++ "Legal Entity" shall mean the union of the acting entity and all+ other entities that control, are controlled by, or are under common+ control with that entity. 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+ NOTICE view
@@ -0,0 +1,14 @@+Copyright 2021-2022 Input Output Global Ltd.++ Licensed under the Apache License, Version 2.0 (the "License");+ you may not use this file except in compliance with the License.+ You may obtain a copy of the License at++ http://www.apache.org/licenses/LICENSE-2.0++ Unless required by applicable law or agreed to in writing, software+ distributed under the License is distributed on an "AS IS" BASIS,+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.+ See the License for the specific language governing permissions and+ limitations under the License.+
+ README.md view
@@ -0,0 +1,3 @@+# embed-which++Combines `which` and `file-embed` to embed an executable on PATH.
+ src/Data/WhichEmbed.hs view
@@ -0,0 +1,55 @@+module Data.WhichEmbed where++import Control.Exception (catch)+import Control.Monad.Catch (MonadMask)+import Control.Monad.IO.Class (MonadIO, liftIO)+import Data.Bits ((.|.))+import Data.ByteString qualified as BS+import Data.FileEmbed (embedFile)+import Language.Haskell.TH (Exp (LitE), Lit (StringL), Q, runIO)+import Path (Abs, File, Path, parseRelFile, toFilePath, (</>))+import Path.IO (withSystemTempDir)+import System.Environment (getEnv)+import System.Posix.Files (ownerExecuteMode, ownerReadMode, ownerWriteMode, setFileMode)+import System.Which (staticWhich)++embedWhich :: FilePath -> Q Exp+embedWhich cmd = do+ -- Log entry to confirm function is running+ runIO (putStrLn $ "Debug: Entering embedWhich with cmd = " ++ cmd)++ -- Log the PATH+ path <- runIO (getEnv "PATH" `catch` (\(_ :: IOError) -> return "PATH not set"))+ runIO (putStrLn $ "Debug: PATH during compilation = " ++ path)++ -- Call staticWhich and log its result+ x <- staticWhich cmd+ runIO (putStrLn $ "Debug: staticWhich " ++ cmd ++ " returned: " ++ show x)++ -- Handle the result+ case x of+ LitE (StringL z) -> do+ runIO (putStrLn $ "Debug: Embedding file at: " ++ z)+ embedFile z+ _ -> do+ runIO (putStrLn $ "Debug: staticWhich failed, returned non-literal: " ++ show x)+ error $ "staticWhich did not return a string literal, got: " ++ show x++withEmbeddedExe ::+ (MonadIO m) =>+ (MonadMask m) =>+ -- | A name to use for the temp directory.+ String ->+ -- | The embedded bytes to use as an executable.+ BS.ByteString ->+ -- | A callback using the path to the executable.+ (Path Abs File -> m a) ->+ m a+withEmbeddedExe name bytes f = do+ withSystemTempDir name $ \fp -> do+ x <- parseRelFile name+ let exe = fp </> x+ liftIO $ do+ BS.writeFile (toFilePath exe) bytes+ setFileMode (toFilePath exe) (ownerReadMode .|. ownerWriteMode .|. ownerExecuteMode)+ f exe
+ which-embed.cabal view
@@ -0,0 +1,40 @@+cabal-version: 2.2+name: which-embed+version: 0.1.0+synopsis: which-embed+author: IOG+copyright: 2025 IOG+license: Apache-2.0+license-files:+ LICENSE+ NOTICE++extra-source-files:+ CHANGELOG.md+ README.md++common lang+ build-depends: base >=4.14 && <5+ default-language: GHC2021+ ghc-options: -Wall -Wmissing-import-lists+ default-extensions:+ DataKinds+ LambdaCase+ OverloadedLabels+ OverloadedStrings+ TypeFamilies++library+ import: lang+ exposed-modules: Data.WhichEmbed+ hs-source-dirs: src+ build-depends:+ , bytestring+ , directory+ , exceptions+ , file-embed+ , path+ , path-io+ , template-haskell+ , unix+ , which