hgrev: Compile Mercurial (hg) version info into Haskell code

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Overview

hgrev provides two modules: - Development.HgRev - Mercurial (hg) Haskell API - Development.HgRev.TH - Template Haskell splice to compile version info into Haskell code

Use $(hgRevStateTH defFormat) with Template Haskell enabled to insert the formatted version string.

Requirements

hgrev requires the hg binary is installed and available on the system. Development.HgRev.HgRev and Development.HgRev.HgState are obtained via two separate calls to hg because working directory state isn't available programmatically.

Usage Example
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell   #-}

module Example where

import           Data.Monoid          ((<>))
import           Data.Text            (Text, pack)
import           Development.HgRev.TH (defFormat, hgRevStateTH, jsonFormat)
import           Options.Applicative  (Parser, ParserInfo, execParser, fullDesc,
                                       help, helper, info, infoOption, long,
                                       progDesc, short)

main :: IO ()
main = execParser parserInfo >> return ()

verSwitch :: Parser (a -> a)
verSwitch =
    infoOption ("HG rev: " <> $(hgRevStateTH defFormat))
    $  long "version"
    <> short 'v'
    <> help "Display version information"

jsonSwitch :: Parser (a -> a)
jsonSwitch =
    infoOption $(hgRevStateTH jsonFormat)
    $  long "json"
    <> short 'J'
    <> help "Display JSON version information"

parserInfo :: ParserInfo (a -> a)
parserInfo = info (helper <*> verSwitch <* jsonSwitch) fullDesc

Check out the gitrev package for similar git functionality.

Properties

Versions 0.1.0.0, 0.1.1, 0.1.2, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.2.5, 0.2.6
Change log None available
Dependencies aeson (>=0.8 && <0.10), base (>=4.7 && <4.9), bytestring (>=0.10 && <0.11), directory (>=1.2 && <1.3), filepath (>=1.4 && <1.5), process (>=1.2 && <1.4), template-haskell (>=2.10 && <2.11) [details]
License MIT
Author Luke Hoersten
Maintainer luke@hoersten.org
Category Development
Home page https://github.com/LukeHoersten/hgrev
Bug tracker https://github.com/LukeHoersten/hgrev/issues
Source repo head: git clone git://github.com/LukeHoersten/hgrev.git
Uploaded by LukeHoersten at 2015-09-26T18:13:27Z

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