79 lines
3.1 KiB
Haskell
79 lines
3.1 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-
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Version-related utilities. See the Makefile for details of our version
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numbering policy.
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-}
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module Hledger.Cli.Version (
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version
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,progversionstr
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,binaryfilename
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)
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where
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import System.Info (os, arch)
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import Hledger.Data.Utils
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-- version and PATCHLEVEL are set by the make process
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version = "0.14.0"
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#ifdef PATCHLEVEL
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patchlevel = "." ++ show PATCHLEVEL -- must be numeric !
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#else
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patchlevel = ""
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#endif
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buildversion = version ++ patchlevel :: String
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-- | Given a program name, return a human-readable version string. For
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-- development builds, at least non-cabal builds, the patch level (ie the
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-- number of patches applied since last release tag) will also be
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-- included.
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progversionstr :: String -> String
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progversionstr progname = progname ++ "-" ++ versionstr ++ configmsg
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where
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versionstr = prettify $ splitAtElement '.' buildversion
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where
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prettify (major:minor:bugfix:patches:[]) =
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printf "%s.%s%s%s" major minor bugfix' patches'
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where
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bugfix'
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| bugfix `elem` ["0"{-,"98","99"-}] = ""
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| otherwise = '.' : bugfix
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patches'
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| patches/="0" = "+"++patches
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| otherwise = ""
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prettify s = intercalate "." s
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configmsg | null buildflags = ""
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| otherwise = " with " ++ intercalate ", " buildflags
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buildflags = []
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-- | Given a program name, return a precise platform-specific executable
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-- name suitable for naming downloadable binaries. Can raise an error if
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-- the version and patch level was not defined correctly at build time.
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binaryfilename :: String -> String
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binaryfilename progname = prettify $ splitAtElement '.' buildversion
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where
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prettify (major:minor:bugfix:patches:[]) =
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printf "%s-%s.%s%s%s-%s-%s%s" progname major minor bugfix' patches' os' arch suffix
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where
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bugfix'
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| bugfix `elem` ["0"{-,"98","99"-}] = ""
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| otherwise = '.' : bugfix
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patches'
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| patches/="0" = '+' : patches
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| otherwise = ""
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(os',suffix)
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| os == "darwin" = ("mac","")
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| os == "mingw32" = ("windows",".exe")
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| otherwise = (os,"")
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prettify (major:minor:bugfix:[]) = prettify [major,minor,bugfix,"0"]
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prettify (major:minor:[]) = prettify [major,minor,"0","0"]
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prettify (major:[]) = prettify [major,"0","0","0"]
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prettify [] = error' "VERSION is empty, please fix"
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prettify _ = error' "VERSION has too many components, please fix"
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