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46 lines
1.7 KiB
Haskell
46 lines
1.7 KiB
Haskell
module Lib.Semver where
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import Startlude
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import Lib.Types.Semver
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(<||) :: HasAppVersion a => a -> AppVersionSpecification -> Bool
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(<||) _ AppVersionAny = True
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(<||) a (AppVersionSpecification SVEquals av1) = version a == av1
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(<||) a (AppVersionSpecification SVLessThan av1) = version a < av1
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(<||) a (AppVersionSpecification SVGreaterThan av1) = version a > av1
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(<||) a (AppVersionSpecification SVLessThanEq av1) = version a <= av1
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(<||) a (AppVersionSpecification SVGreaterThanEq av1) = version a >= av1
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(<||) a (AppVersionSpecification SVGreatestWithMajor av1) -- "maj.*"
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= major av == major av1 && av >= av1
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where
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av = version a
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(<||) a (AppVersionSpecification SVGreatestWithMajorMinor av1) -- "maj.min.*"
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= major av == major av1 && minor av == minor av1 && av >= av1
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where
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av = version a
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major :: AppVersion -> Word16
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major (AppVersion (a, _, _, _)) = a
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minor :: AppVersion -> Word16
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minor (AppVersion (_, a, _, _)) = a
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patch :: AppVersion -> Word16
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patch (AppVersion (_, _, a, _)) = a
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build :: AppVersion -> Word16
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build (AppVersion (_, _, _, a)) = a
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hasGiven :: (AppVersion -> Word16) -> AppVersion -> AppVersion -> Bool
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hasGiven projection av = (== projection av) . projection
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getSpecifiedAppVersion :: HasAppVersion a => AppVersionSpecification -> [a] -> Maybe a
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getSpecifiedAppVersion avSpec = appVersionMax . filter (<|| avSpec)
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class HasAppVersion a where
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version :: a -> AppVersion
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instance HasAppVersion AppVersion where
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version = id
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appVersionMax :: HasAppVersion a => [a] -> Maybe a
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appVersionMax [] = Nothing
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appVersionMax as = Just $ maximumBy (compare `on` version) as |