updated version info with git hash

LICENSE

@@ -2,7 +2,7 @@ BSD 3-Clause License
 
 Copyright for portions of sv2v are held by Tom Hawkins, 2011-2015, as part of
 tomahawkins/verilog. Copyright for all other portions of sv2v are held by
-Zachary Snow, 2019.
+Zachary Snow, 2019-2020.
 
 All rights reserved.
 

NOTICE

@@ -743,6 +743,39 @@ Dependency: ghc-prim-0.5.3
     be a definition of the Haskell 98 Language.
   
 
+================================================================================
+Dependency: githash-0.1.3.1
+================================================================================
+
+  Copyright (c) 2018, Michael Snoyman, 2015, Adam C. Foltzer
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+  
+  * Redistributions of source code must retain the above copyright notice, this
+    list of conditions and the following disclaimer.
+  
+  * Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+  
+  * Neither the name of gitrev nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+  
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+
 ================================================================================
 Dependency: happy-1.19.9
 ================================================================================

src/Job.hs

@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE TemplateHaskell #-}
 {- sv2v
  - Author: Zachary Snow <zach@zachjs.com>
  -
@@ -7,6 +8,7 @@
 
 module Job where
 
+import GitHash (giHash, tGitInfoCwd)
 import System.IO (stderr, hPutStr)
 import System.Console.CmdArgs
 import System.Environment (getArgs, withArgs)
@@ -27,6 +29,11 @@ data Job = Job
     , verbose :: Bool
     } deriving (Show, Typeable, Data)
 
+gitHash :: String
+gitHash = giHash $$tGitInfoCwd
+shortGitHash :: String
+shortGitHash = take 7 gitHash
+
 defaultJob :: Job
 defaultJob = Job
     { files = def &= args &= typ "FILES"
@@ -43,9 +50,10 @@ defaultJob = Job
     , verbose = nam "verbose" &= help "Retain certain conversion artifacts"
     }
     &= program "sv2v"
-    &= summary "sv2v v0.0.1, (C) 2019 Zachary Snow, 2011-2015 Tom Hawkins"
+    &= summary ("sv2v v0.0.1 (" ++ shortGitHash ++ ")")
     &= details [ "sv2v converts SystemVerilog to Verilog."
-               , "More info: https://github.com/zachjs/sv2v" ]
+               , "More info: https://github.com/zachjs/sv2v"
+               , "(C) 2019-2020 Zachary Snow, 2011-2015 Tom Hawkins" ]
     &= helpArg [explicit, name "help", groupname "Other"]
     &= versionArg [explicit, name "version"]
     &= verbosityArgs [ignore] [ignore]

sv2v.cabal

@@ -30,6 +30,7 @@ executable sv2v
     containers,
     directory,
     filepath,
+    githash,
     hashable,
     mtl,
     Unique