add a --binary-filename option and "make pushbinary" for easy publishing

Also note that we don't yet follow cabal package versioning policy.

Makefile

@@ -18,6 +18,7 @@ VIEWHTMLCMD=open
 VIEWPSCMD=open
 
 PLATFORMBINARIES=hledgermac hledgerlinux #hledgerwin
+BINARYFILENAME=`runhaskell ./hledger.hs --binary-filename`
 SOURCEFILES:=*hs Commands/*hs Ledger/*hs
 DOCFILES:=HOME README NEWS CONTRIBUTORS SCREENSHOTS
 PATCHLEVEL:=$(shell expr `darcs changes --count --from-tag=\\\\\.` - 1)
@@ -49,9 +50,10 @@ hledgeropt: setversion
 # build a deployable binary for mac, one which uses only standard osx libs
 hledgermac: setversion
 	sudo port deactivate gmp
-	ghc --make hledger.hs -o hledgermac $(BUILDFLAGS) -O2 -optl-L/usr/lib #-optl-F/Library/Frameworks/GMP
+	ghc --make hledger.hs -o $(BINARYFILENAME) $(BUILDFLAGS) -O2 -optl-L/usr/lib #-optl-F/Library/Frameworks/GMP
 	sudo port activate gmp
-	otool -L hledgermac
+	@echo Please check the build depends only on standard system libraries:
+	otool -L $(BINARYFILENAME)
 
 # build a deployable binary for gnu/linux, statically linked
 hledgerlinux: setversion
@@ -339,7 +341,7 @@ send:
 	darcs send http://joyful.com/repos/hledger --to=hledger@googlegroups.com --edit-description  
 
 # push patches and anything else pending to the public server
-push: pushprofs pushbinaries
+push: pushprofs pushbinary
 	darcs push joyful.com:/repos/hledger
 
 # pull anything pending from the public server
@@ -347,7 +349,7 @@ pull: pullprofs
 	darcs pull -a joyful.com:/repos/hledger
 
 # push any new profiles and benchtest results to the public site
-# beware, results may look different depending on which machine generated them
+# beware, results will vary depending on which machine generated them
 pushprofs:
 	rsync -azP profs/ joyful.com:/repos/hledger/profs/
 
@@ -355,9 +357,11 @@ pushprofs:
 pullprofs:
 	rsync -azP joyful.com:/repos/hledger/profs/ profs/
 
-# push any new deployment binaries to the public site
+# push a deployable binary for this platform to the public site
-pushbinaries:
+# make hledgerPLAT first
-	-for b in $(PLATFORMBINARIES); do rsync -azP $$b joyful.com:/repos/hledger/website/binaries/; done
+pushbinary:
+	-gzip -9 $(BINARYFILENAME)
+	rsync -aP $(BINARYFILENAME).gz joyful.com:/repos/hledger/website/binaries/
 
 # show project stats useful for release notes
 stats: showlastreleasedate showreleaseauthors showloc showerrors showlocalchanges showreleasechanges bench

Options.hs

@@ -84,6 +84,7 @@ options = [
  ,Option ['h'] ["help"] (NoArg  Help)                  "show this help"
  ,Option ['V'] ["version"]      (NoArg  Version)       "show version information"
  ,Option ['v'] ["verbose"]      (NoArg  Verbose)       "show verbose test output"
+ ,Option []    ["binary-filename"] (NoArg BinaryFilename) "show the download filename for this hledger build"
  ,Option []    ["debug"]        (NoArg  Debug)         "show some debug output"
  ,Option []    ["debug-no-ui"]  (NoArg  DebugNoUI)     "run ui commands with no output"
  ]
@@ -110,6 +111,7 @@ data Opt =
     Help |
     Verbose |
     Version
+    | BinaryFilename
     | Debug
     | DebugNoUI
     deriving (Show,Eq)

Version.hs

@@ -1,19 +1,43 @@
 {-# OPTIONS_GHC -cpp #-}
+{-
+Version-related utilities.
+
+We should follow http://haskell.org/haskellwiki/Package_versioning_policy .
+But currently hledger's version is MAJOR[.MINOR[.BUGFIX]][+PATCHLEVEL].
+See also the Makefile.
+
+-}
+
 module Version
 where
+import System.Info (os, arch)
 import Ledger.Utils
 import Options (progname)
 
--- updated by build process from VERSION
+-- version and PATCHLEVEL are set by the makefile
 version       = "0.5.1"
+
 #ifdef PATCHLEVEL
--- a "make" development build defines PATCHLEVEL from the repo state
 patchlevel = "." ++ show PATCHLEVEL -- must be numeric !
 #else
 patchlevel = ""
 #endif
+
 buildversion  = version ++ patchlevel
 
+binaryfilename = prettify $ splitAtElement '.' buildversion
+                where
+                  prettify (major:minor:bugfix:patches:[]) =
+                      printf "hledger-%s.%s%s%s-%s-%s" major minor bugfix' patches' os arch
+                          where
+                            bugfix'
+                                | bugfix `elem` ["0"{-,"98","99"-}] = ""
+                                | otherwise = "."++bugfix
+                            patches'
+                                | patches/="0" = "+"++patches
+                                | otherwise = ""
+                  prettify s = intercalate "." s
+
 versionstr    = prettify $ splitAtElement '.' buildversion
                 where
                   prettify (major:minor:bugfix:patches:[]) =
@@ -23,7 +47,7 @@ versionstr    = prettify $ splitAtElement '.' buildversion
                                 | bugfix `elem` ["0"{-,"98","99"-}] = ""
                                 | otherwise = "."++bugfix
                             patches'
-                                | patches/="0" = " + "++patches++" patches"
+                                | patches/="0" = "+"++patches++" patches"
                                 | otherwise = ""
                             desc
 --                                 | bugfix=="98" = " (alpha)"
@@ -31,10 +55,10 @@ versionstr    = prettify $ splitAtElement '.' buildversion
                                 | otherwise = ""
                   prettify s = intercalate "." s
 
-versionmsg    = progname ++ " " ++ versionstr ++ configmsg ++ "\n"
+versionmsg    = progname ++ "-" ++ versionstr ++ configmsg
     where configmsg
-              | null configflags = ""
+              | null configflags = " with no extras"
-              | otherwise = ", built with " ++ intercalate ", " configflags
+              | otherwise = " with " ++ intercalate ", " configflags
 
 configflags   = tail [""
 #ifdef VTY

hledger.hs

@@ -43,7 +43,7 @@ module Main (-- export for easy ghci access:
             )
 where
 import Control.Monad.Error
-import Prelude hiding (putStr)
+import Prelude hiding (putStr, putStrLn)
 import System.IO (stderr)
 import System.IO.UTF8
 import qualified Data.Map as Map (lookup)
@@ -53,7 +53,7 @@ import Ledger
 import Options
 import Tests
 import Utils (withLedgerDo)
-import Version (versionmsg)
+import Version (versionmsg, binaryfilename)
 
 
 main :: IO ()
@@ -63,7 +63,8 @@ main = do
     where 
       run cmd opts args
        | Help `elem` opts             = putStr $ usage
-       | Version `elem` opts          = putStr versionmsg
+       | Version `elem` opts          = putStrLn versionmsg
+       | BinaryFilename `elem` opts   = putStrLn binaryfilename
        | cmd `isPrefixOf` "balance"   = withLedgerDo opts args cmd balance
        | cmd `isPrefixOf` "convert"   = withLedgerDo opts args cmd convert
        | cmd `isPrefixOf` "print"     = withLedgerDo opts args cmd print'