42 lines
1.3 KiB
Haskell
42 lines
1.3 KiB
Haskell
module Propellor.Git where
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import Propellor
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import Utility.SafeCommand
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getCurrentBranch :: IO String
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getCurrentBranch = takeWhile (/= '\n')
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<$> readProcess "git" ["symbolic-ref", "--short", "HEAD"]
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getCurrentGitSha1 :: String -> IO String
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getCurrentGitSha1 branchref = readProcess "git" ["show-ref", "--hash", branchref]
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setRepoUrl :: String -> IO ()
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setRepoUrl "" = return ()
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setRepoUrl url = do
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subcmd <- ifM hasOrigin (pure "set-url", pure "add")
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void $ boolSystem "git" [Param "remote", Param subcmd, Param "origin", Param url]
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-- same as --set-upstream-to, except origin branch
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-- may not have been pulled yet
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branch <- getCurrentBranch
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let branchval s = "branch." ++ branch ++ "." ++ s
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void $ boolSystem "git" [Param "config", Param (branchval "remote"), Param "origin"]
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void $ boolSystem "git" [Param "config", Param (branchval "merge"), Param $ "refs/heads/"++branch]
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getRepoUrl :: IO (Maybe String)
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getRepoUrl = getM get urls
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where
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urls = ["remote.deploy.url", "remote.origin.url"]
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get u = do
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v <- catchMaybeIO $
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takeWhile (/= '\n')
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<$> readProcess "git" ["config", u]
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return $ case v of
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Just url | not (null url) -> Just url
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_ -> Nothing
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hasOrigin :: IO Bool
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hasOrigin = do
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rs <- lines <$> readProcess "git" ["remote"]
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return $ "origin" `elem` rs
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