-- |
-- Module      :  Main
-- Copyright   :  (C) 2007  Bryan O'Sullivan
--                (C) 2012-2018  Jens Petersen
--
-- Maintainer  :  Jens Petersen <petersen@fedoraproject.org>
-- Stability   :  alpha
-- Portability :  portable
--
-- Explanation: Main entry point for building RPM packages.

-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.

module Main where

import Commands.Depends (depends, Depends (..))
import Commands.Diff (diff)
import Commands.Install (install)
import Commands.Refresh (refresh)
import Commands.RpmBuild (rpmBuild_)
import Commands.Spec (createSpecFile_)
import Commands.Update (update)

import Options (parseArgs)
import PackageUtils (prepare, RpmStage (..))

import System.Environment (getArgs)
import System.IO (BufferMode(LineBuffering), hSetBuffering, stdout)

main :: IO ()
main = do
  hSetBuffering stdout LineBuffering
  (opts, cmd, mpkg) <- getArgs >>= parseArgs
  pkgdata <- prepare opts mpkg True
  case cmd of
    "spec"        -> createSpecFile_ pkgdata opts Nothing
    "srpm"        -> rpmBuild_ pkgdata opts Source
    "prep"        -> rpmBuild_ pkgdata opts Prep
    "local"       -> rpmBuild_ pkgdata opts Binary
    "build"       -> rpmBuild_ pkgdata opts Binary
    "builddep"    -> rpmBuild_ pkgdata opts BuildDep
    "diff"        -> diff pkgdata opts mpkg
    "install"     -> install pkgdata opts
    "depends"     -> depends pkgdata Depends
    "refresh"     -> refresh pkgdata opts
    "requires"    -> depends pkgdata Requires
    "missingdeps" -> depends pkgdata Missing
    "update"      -> update pkgdata opts mpkg
    "rpm"         -> do
      putStrLn "* Warning the 'rpm' command has been renamed to 'build':"
      putStrLn "* this alias may be removed in a future release."
      rpmBuild_ pkgdata opts Binary
    c -> error $ "Unknown cmd: " ++ c