Fix release break due to CMakeList.txt dependency on description containing 3+ parts (which doesn't happen on first build with specified tag)

Also added release_master script to automate creating release forks from master as part of release process.

CMakeLists.txt

@@ -84,8 +84,16 @@ IF(GIT_FOUND)
     SET(VERSION_MINOR ${CMAKE_MATCH_2})
     SET(VERSION_PATCH ${CMAKE_MATCH_3})
 
+    IF(${VERSION_MAJOR} STREQUAL "")
+    MESSAGE(STATUS "GIT Description is from NEW tag")
+        string(REGEX MATCH "v([0-9]+)\\.([0-9]+)" _dummy2 "${GIT_DESCRIPTION}")
+        SET(VERSION_MAJOR ${CMAKE_MATCH_1})
+        SET(VERSION_MINOR ${CMAKE_MATCH_2})
+        SET(VERSION_PATCH "0")    
+    ENDIF()
+
     IF(NOT ${GIT_REFSPEC})
-        string(REGEX MATCH "refs/heads/([a-zA-Z0-9_/]+)" _dummy2 ${GIT_REFSPEC})
+        string(REGEX MATCH "refs/heads/([a-zA-Z0-9_/]+)" _dummy3 ${GIT_REFSPEC})
         SET(GIT_BRANCH_NAME ${CMAKE_MATCH_1})
     ELSE()
         # VSO doesn't checkout a branch do a pull, it checks out a hash and does a pull

release_master.cmd

@@ -0,0 +1 @@
+powershell -File release_master.ps1

release_master.ps1

@@ -0,0 +1,36 @@
+$description = git describe;
+Write-Host "description = '$description'"
+
+[regex]$rx = "v([0-9]+)\.([0-9]+)"
+$matches = $rx.Match($description);
+$major = $matches.Groups[1].ToString();
+$minor = $matches.Groups[2].ToString();
+Write-Host "major = " $major
+Write-Host "minor = " $minor
+
+$oldTag = "v" + $major + "." + $minor
+Write-Host "old tag = " $oldTag
+
+$minor = ([int]$minor+1).ToString();
+$newTag = "v" + $major + "." + $minor
+Write-Host "new tag = " $newTag
+
+$versionText = "Version " + $major + "." + $minor;
+Write-Host "Version Text = '$versionText'"
+
+$newBranch = "release_$newTag";
+Write-Host "new branch: '$newBranch'"
+
+Write-Host "Creating $newBranch"
+git checkout -b $newBranch
+Write-Host "Creating $newTag tag"
+git tag -a $newTag -m "$versionText"
+Write-Host "Pushing $newTag"
+git push origin $newTag
+Write-Host "Pushing $newBranch"
+git push --set-upstream origin $newBranch
+Write-Host "Pulling commit back to master"
+git checkout master
+git fetch
+git pull origin $newBranch
+git push