final version of optimizing build

appveyor.branch.yml

@@ -217,11 +217,23 @@ init:
   # This runs before the commit is even checked out
   # Therefore cannot run scripts in Github
   - sh: echo "init"
+  - sh: echo ""
+
+  # These tags are 'derived'. They are created when a release vX.Y.Z is created.
+  # Therefore there is no reason to run the build process against them.
+  - sh: >-
+      if [[ $APPVEYOR_REPO_TAG_NAME == 'latest' || $APPVEYOR_REPO_TAG_NAME =~ ^v[0123456789]+$ ]] ; then 
+          echo "Skipping runing tests for tag: $APPVEYOR_REPO_TAG_NAME"
+          APPVEYOR_SKIP_FINALIZE_ON_EXIT=true
+          exit 0;
+      fi;
+
   - sh: >-
       if [ "$ENABLE_SSH_AT_START" == "true" ] && [ "$STOP_WITH_BUILD_IMAGE" = "$APPVEYOR_BUILD_WORKER_IMAGE" ] && [ "$STOP_WITH_PYTHON_VERSION" = "$PYTHON" ] ; then
           export APPVEYOR_SSH_BLOCK=true
           curl -sflL 'https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-ssh.sh' | bash -e -
       fi;
+  
   - sh: echo "Build Image:" "$APPVEYOR_BUILD_WORKER_IMAGE"
   - sh: echo "Python Version:" "$PYTHON"
   - sh: echo "WeeWX Version:" "$WEEWX"

appveyor.master.yml

@@ -219,10 +219,6 @@ init:
   - sh: echo "init"
   - sh: echo ""
 
-  - sh: >-
-      echo "Build Image:" "$APPVEYOR_REPO_TAG_NAME";
-      exit 0;
-
   # These tags are 'derived'. They are created when a release vX.Y.Z is created.
   # Therefore there is no reason to run the build process against them.
   - sh: >-