-
-
------------------------------------------------------------------------------
--- Running an external program
-
-run_something phase_name cmd
- = do
- verb <- readIORef v_Verbose
- when verb $ do
- putStr phase_name
- putStrLn ":"
- putStrLn cmd
- hFlush stdout
-
- -- test for -n flag
- n <- readIORef v_Dry_run
- unless n $ do
-
- -- and run it!
-#ifndef mingw32_TARGET_OS
- exit_code <- system cmd `catchAllIO`
- (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
-#else
- tmp <- newTempName "sh"
- h <- openFile tmp WriteMode
- hPutStrLn h cmd
- hClose h
- exit_code <- system ("sh - " ++ tmp) `catchAllIO`
- (\e -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
- removeFile tmp
-#endif
-
- if exit_code /= ExitSuccess
- then throwDyn (PhaseFailed phase_name exit_code)
- else do when verb (putStr "\n")
- return ()
-