From 7e452b55b7e261a1435386b83dd77fe6b4927fca Mon Sep 17 00:00:00 2001
From: Gav Wood <i@gavwood.com>
Date: Sat, 1 Mar 2014 20:09:18 +0000
Subject: [PATCH] Better handling of git versioning stuff.

---
 CMakeLists.txt | 28 ++++++++++++++++++----------
 release.sh     |  9 +++++++++
 2 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 090fdc576..b1c31b9a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -141,19 +141,27 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 
 # Generate header file containing useful build information
-execute_process(COMMAND git --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git --work-tree=${CMAKE_CURRENT_SOURCE_DIR} rev-parse HEAD OUTPUT_VARIABLE ETH_COMMIT_HASH OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND git --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git --work-tree=${CMAKE_CURRENT_SOURCE_DIR} diff --shortstat OUTPUT_VARIABLE ETH_LOCAL_CHANGES OUTPUT_STRIP_TRAILING_WHITESPACE)
-if("x${ETH_LOCAL_CHANGES}" STREQUAL "x")
-	set(ETH_CLEAN_REPO 1)
+if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/BuildInfo.h)
 else()
-	set(ETH_CLEAN_REPO 0)
+	if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git)
+		execute_process(COMMAND git --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git --work-tree=${CMAKE_CURRENT_SOURCE_DIR} rev-parse HEAD OUTPUT_VARIABLE ETH_COMMIT_HASH OUTPUT_STRIP_TRAILING_WHITESPACE)
+		execute_process(COMMAND git --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git --work-tree=${CMAKE_CURRENT_SOURCE_DIR} diff --shortstat OUTPUT_VARIABLE ETH_LOCAL_CHANGES OUTPUT_STRIP_TRAILING_WHITESPACE)
+		if("x${ETH_LOCAL_CHANGES}" STREQUAL "x")
+			set(ETH_CLEAN_REPO 1)
+		else()
+			set(ETH_CLEAN_REPO 0)
+		endif()
+		message("Commit Hash: ${ETH_COMMIT_HASH} (Clean: ${ETH_CLEAN_REPO} - ${ETH_LOCAL_CHANGES})")
+	else()
+		message("Unknown repo.")
+		set(ETH_COMMIT_HASH 0)
+		set(ETH_CLEAN_REPO 1)
+	endif()
+	file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/BuildInfo.h "// This file was automatically generated by cmake\n#pragma once\n\n")
+	file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/BuildInfo.h "#define ETH_COMMIT_HASH ${ETH_COMMIT_HASH}\n#define ETH_CLEAN_REPO ${ETH_CLEAN_REPO}\n#define ETH_BUILD_TYPE ${CMAKE_BUILD_TYPE}\n#define ETH_BUILD_PLATFORM ${ETH_BUILD_PLATFORM}\n")
+	include_directories(${CMAKE_CURRENT_BINARY_DIR})
 endif()
 
-message("Commit Hash: ${ETH_COMMIT_HASH} (Clean: ${ETH_CLEAN_REPO} - ${ETH_LOCAL_CHANGES})")
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/BuildInfo.h "// This file was automatically generated by cmake\n#pragma once\n\n")
-file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/BuildInfo.h "#define ETH_COMMIT_HASH ${ETH_COMMIT_HASH}\n#define ETH_CLEAN_REPO ${ETH_CLEAN_REPO}\n#define ETH_BUILD_TYPE ${CMAKE_BUILD_TYPE}\n#define ETH_BUILD_PLATFORM ${ETH_BUILD_PLATFORM}\n")
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
-
 add_subdirectory(secp256k1)
 add_subdirectory(libethereum)
 add_subdirectory(test)
diff --git a/release.sh b/release.sh
index 8cf59acf5..712e2540a 100755
--- a/release.sh
+++ b/release.sh
@@ -35,6 +35,14 @@ git checkout "$branch"
 archdir="cpp-ethereum-$version"
 archfile="$archdir.tar.bz2"
 
+echo Making BuildInfo...
+mkdir build
+cd build
+cmake ..
+cd ..
+cp build/BuildInfo.h .
+rm -rf build
+
 echo Cleaning backup files...
 find . | grep \~ | xargs rm -f
 
@@ -51,6 +59,7 @@ mv cpp-ethereum $archdir
 
 echo Creating archive...
 tar c $archdir | bzip2 -- > $archfile
+shasum $archfile
 
 [[ ! "$version" == "" ]] && ln -sf $archfile "cpp-ethereum_$version.orig.tar.bz2"