Buildsystem/Windows: Add support for reading commithash and commitdate directly from the executable binaries.

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+ Fix worldserver/authserver .rc file layouts and content (now adheres to MS standards *sighs*)
+ Change .serv info output to show corename followed by the commit date and hash
+ Include showing the versionstring on worldserver startup completion (on Aokromes' request)

Thanks to Paradox for bugging me enough about it and the initial pull-request.

1 files changed, 15 insertions, 12 deletions

diff --git a/cmake/genrev.cmake b/cmake/genrev.cmake
index 043f6f0b9ad..37cea9b3deb 100644
--- a/cmake/genrev.cmake
+++ b/cmake/genrev.cmake
@@ -40,27 +40,30 @@ if(_GIT_VERSION_OK)
     OUTPUT_STRIP_TRAILING_WHITESPACE
     ERROR_QUIET
   )
+  execute_process(
+    COMMAND "${_GIT_EXEC}" show -s --format=%ci
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    OUTPUT_VARIABLE rev_date
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+  )
 else()
   message("")
   message(STATUS "WARNING - Missing or outdated git - did you forget to install a recent version?")
-  message(STATUS "WARNING - Observe that for revision ID/hash to work you need at least version ${_REQUIRED_GIT_VERSION}")
-  message(STATUS "WARNING - Continuing anyway, but setting the revision-ID and hash to Rev:0 Hash: Archive")
-  message("")
+  message(STATUS "WARNING - Observe that for revision hash/date to work you need at least version ${_REQUIRED_GIT_VERSION}")
 endif()
 
 # Last minute check - ensure that we have a proper revision
 # If everything above fails (means the user has erased the git revision control directory or removed the origin/HEAD tag)
 if(NOT rev_info)
   # No valid ways available to find/set the revision/hash, so let's force some defaults
-  message("")
   message(STATUS "WARNING - Missing repository tags - you may need to pull tags with git fetch -t")
-  message(STATUS "WARNING - Continuing, but the hash will be set to 'Archive'")
-  set(rev_hash_str "Archive")
-  set(rev_hash "0")
+  message(STATUS "WARNING - Continuing anyway - note that the versionstring will be set to 0000-00-00 00:00:00 (Archived)")
+  set(rev_date "0000-00-00 00:00:00 +0000")
+  set(rev_hash "Archived")
 else()
-  # Extract revision and hash from git
-  string(REGEX REPLACE init-|[0-9]+-g "" rev_hash_str ${rev_info})
-  string(REGEX REPLACE [+]+ "" rev_hash ${rev_hash_str})
+  # Extract information required to build a proper versionstring
+  string(REGEX REPLACE init-|[0-9]+-g "" rev_hash ${rev_info})
 endif()
 
 # Its not set during initial run
@@ -69,11 +72,11 @@ if(NOT BUILDDIR)
 endif()
 
 # Create the actual revision.h file from the above params
-if(NOT "${rev_hash_cached}" MATCHES "${rev_hash_str}")
+if(NOT "${rev_hash_cached}" MATCHES "${rev_hash}")
   configure_file(
     "${CMAKE_SOURCE_DIR}/revision.h.in.cmake"
     "${BUILDDIR}/revision.h"
     @ONLY
   )
-  set(rev_hash_cached "${rev_hash_str}" CACHE INTERNAL "Cached commit-hash")
+  set(rev_hash_cached "${rev_hash}" CACHE INTERNAL "Cached commit-hash")
 endif()