94 lines
3.0 KiB
Haskell
94 lines
3.0 KiB
Haskell
-- | Wrapper program for propellor distribution.
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--
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-- Distributions should install this program into PATH.
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-- (Cabal builds it as dist/build/propellor.
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--
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-- This is not the propellor main program (that's config.hs)
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--
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-- This installs propellor's source into ~/.propellor,
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-- uses it to build the real propellor program (if not already built),
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-- and runs it.
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--
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-- The source is either copied from /usr/src/propellor, or is cloned from
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-- git over the network.
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module Main where
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import Utility.UserInfo
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import Utility.Monad
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import Utility.Process
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import Utility.SafeCommand
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import Utility.Directory
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import Control.Monad
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import Control.Monad.IfElse
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import System.Directory
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import System.FilePath
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import System.Environment (getArgs)
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import System.Exit
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import System.Posix.Directory
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srcdir :: FilePath
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srcdir = "/usr/src/propellor"
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-- Using the github mirror of the main propellor repo because
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-- it is accessible over https for better security.
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srcrepo :: String
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srcrepo = "https://github.com/joeyh/propellor.git"
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main :: IO ()
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main = do
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args <- getArgs
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home <- myHomeDir
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let propellordir = home </> ".propellor"
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let propellorbin = propellordir </> "propellor"
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wrapper args propellordir propellorbin
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wrapper :: [String] -> FilePath -> FilePath -> IO ()
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wrapper args propellordir propellorbin = do
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unlessM (doesDirectoryExist propellordir) $
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makeRepo
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buildruncfg
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where
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chain = do
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(_, _, _, pid) <- createProcess (proc propellorbin args)
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exitWith =<< waitForProcess pid
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makeRepo = do
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putStrLn $ "Setting up your propellor repo in " ++ propellordir
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putStrLn ""
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ifM (doesDirectoryExist srcdir)
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( do
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void $ boolSystem "cp" [Param "-a", File srcdir, File propellordir]
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changeWorkingDirectory propellordir
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void $ boolSystem "git" [Param "init"]
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void $ boolSystem "git" [Param "add", Param "."]
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setuprepo True
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, do
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void $ boolSystem "git" [Param "clone", Param srcrepo, File propellordir]
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void $ boolSystem "git" [Param "remote", Param "rm", Param "origin"]
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setuprepo False
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)
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setuprepo fromsrcdir = do
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changeWorkingDirectory propellordir
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whenM (doesDirectoryExist "privdata") $
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mapM_ nukeFile =<< dirContents "privdata"
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void $ boolSystem "git" [Param "commit", Param "--allow-empty", Param "--quiet", Param "-m", Param "setting up propellor git repository"]
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void $ boolSystem "git" [Param "remote", Param "add", Param "upstream", Param srcrepo]
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-- Connect synthetic git repo with upstream history so
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-- merging with upstream will work going forward.
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-- Note -s ours is used to avoid getting any divergent
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-- changes from upstream.
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when fromsrcdir $ do
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void $ boolSystem "git" [Param "fetch", Param "upstream"]
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version <- readProcess "dpkg-query" ["--showformat", "${Version}", "--show", "propellor"]
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void $ boolSystem "git" [Param "merge", Param "-s", Param "ours", Param version]
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buildruncfg = do
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changeWorkingDirectory propellordir
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ifM (boolSystem "make" [Param "build"])
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( do
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putStrLn ""
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putStrLn ""
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chain
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, error "Propellor build failed."
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)
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