87 lines
2.3 KiB
Haskell
87 lines
2.3 KiB
Haskell
module Propellor.Property.Git where
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import Propellor
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import Propellor.Property.File
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import qualified Propellor.Property.Apt as Apt
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import qualified Propellor.Property.Service as Service
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import Utility.SafeCommand
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import Data.List
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-- | Exports all git repos in a directory (that user nobody can read)
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-- using git-daemon, run from inetd.
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--
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-- Note that reverting this property does not remove or stop inetd.
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daemonRunning :: FilePath -> RevertableProperty
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daemonRunning exportdir = RevertableProperty setup unsetup
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where
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setup = containsLine conf (mkl "tcp4")
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`requires`
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containsLine conf (mkl "tcp6")
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`requires`
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dirExists exportdir
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`requires`
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Apt.serviceInstalledRunning "openbsd-inetd"
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`onChange`
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Service.running "openbsd-inetd"
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`describe` ("git-daemon exporting " ++ exportdir)
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unsetup = lacksLine conf (mkl "tcp4")
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`requires`
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lacksLine conf (mkl "tcp6")
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`onChange`
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Service.reloaded "openbsd-inetd"
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conf = "/etc/inetd.conf"
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mkl tcpv = intercalate "\t"
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[ "git"
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, "stream"
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, tcpv
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, "nowait"
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, "nobody"
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, "/usr/bin/git"
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, "git"
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, "daemon"
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, "--inetd"
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, "--export-all"
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, "--base-path=" ++ exportdir
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, exportdir
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]
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installed :: Property
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installed = Apt.installed ["git"]
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type RepoUrl = String
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type Branch = String
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-- | Specified git repository is cloned to the specified directory.
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--
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-- If the firectory exists with some other content, it will be recursively
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-- deleted.
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--
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-- A branch can be specified, to check out.
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cloned :: UserName -> RepoUrl -> FilePath -> Maybe Branch -> Property
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cloned owner url dir mbranch = check originurl (Property desc checkout)
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`requires` installed
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where
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desc = "git cloned " ++ url ++ " to " ++ dir
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gitconfig = dir </> ".git/config"
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originurl = ifM (doesFileExist gitconfig)
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( do
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v <- catchDefaultIO Nothing $ headMaybe . lines <$>
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readProcess "git" ["config", "--file", gitconfig, "remote.origin.url"]
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return (v /= Just url)
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, return True
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)
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checkout = do
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liftIO $ do
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whenM (doesDirectoryExist dir) $
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removeDirectoryRecursive dir
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createDirectoryIfMissing True (takeDirectory dir)
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ensureProperty $ userScriptProperty owner $ catMaybes
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[ Just $ "git clone " ++ shellEscape url ++ " " ++ shellEscape dir
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, Just $ "cd " ++ shellEscape dir
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, ("git checkout " ++) <$> mbranch
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]
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