wasp/waspc/new-release

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#!/usr/bin/env cabal
{- cabal:
build-depends:
base == 4.*
, turtle == 1.5.*
, regex-tdfa == 1.3.*
, text == 1.2.*
-}
{-# LANGUAGE OverloadedStrings #-}
import Control.Monad (when)
import qualified Data.Text as T
import qualified Data.Text.IO as T.IO
import System.Environment (getArgs)
import System.Exit (ExitCode (..))
import qualified Text.Regex.TDFA as TR
import Turtle (empty, shell, shellStrict)
main = do
args <- getArgs
case args of
[version] -> makeNewRelease version
_ -> putStrLn "Usage: new-release <version>"
makeNewRelease :: String -> IO ()
makeNewRelease newVersion = do
(ExitSuccess, branchName) <- shellStrict "git rev-parse --abbrev-ref HEAD" empty
when (T.strip branchName /= "release") $ error "You must run this script from the release branch!"
let cabalFileName = "waspc.cabal"
oldCabalFileContents <- T.unpack <$> T.IO.readFile cabalFileName
(newCabalFileContents, oldVersion) <- updateCabalFile oldCabalFileContents newVersion
let tag = "v" ++ newVersion
when (newVersion == oldVersion) $ error "Version you provided is the current version!"
putStrLn $ unlines
[ "This will update wasp version from " ++ oldVersion ++ " to " ++ newVersion
, cabalFileName ++ " will be updated, and this change will be commited and pushed."
, "Also, tag " ++ tag ++ " will be created and pushed, triggering CI to"
++ " create new release on Github."
, "Are you sure you want to proceed (y/n)?"
]
confirmation <- getLine
when (confirmation /= "y") $ error "Aborting"
T.IO.writeFile cabalFileName $ T.pack newCabalFileContents
-- TODO: Print what I am doing for each step.
putStrLn $ "\nCreating new commit with updated " ++ cabalFileName ++ " and pushing it.\n"
ExitSuccess <- shell (T.pack $ "git add " ++ cabalFileName) empty
ExitSuccess <- shell (T.pack $ "git commit -m \"Updated wasp version to " ++ newVersion ++ ".\"") empty
gitPushExitCode <- shell "git push" empty
case gitPushExitCode of
ExitSuccess -> return ()
ExitFailure _ -> do
ExitSuccess <- shell "git reset --hard HEAD~1" empty
error "Failed to do `git push`, reverted changes."
putStrLn $ "\nCreating tag " ++ tag ++ " and pushing it.\n"
ExitSuccess <- shell (T.pack $ "git tag " ++ tag) empty
ExitSuccess <- shell (T.pack $ "git push origin " ++ tag) empty
return ()
updateCabalFile :: String -> String -> IO (String, String) -- Returns (updated cabal file contents, old version)
updateCabalFile cabalFileContents newVersion = do
let (beforeMatch, match, afterMatch, submatches) =
cabalFileContents TR.=~ ("^(version: *)([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+)" :: String) :: (String, String, String, [String])
when (null match) $ error "Couldn't locate version in cabal file!?"
let [matchBeforeVersion, oldVersion] = submatches
let newContents = beforeMatch ++ matchBeforeVersion ++ newVersion ++ afterMatch
return (newContents, oldVersion)