Mark master branch builds as full releases (not pre-releases) on GitHub

(cherry picked from commit ca39634)

appveyor.yml

@@ -63,3 +63,26 @@ test_script:
   # - dir %PLATFORM%\%CONFIGURATION%
   - ctest -C %CONFIGURATION% -V --interactive-debug-mode 0
 
+  # After running tests successfully, build the artifacts that we want to upload:
+  - cmake --build . --config %CONFIGURATION% --target package
+
+  # AppVeyor refuses to package files outside of the project directory, so we need to push them:
+  - dir
+  - appveyor PushArtifact -path BoxBackup-%compiled_version%.zip -DeploymentName BoxBackup-%compiled_version%
+  - appveyor PushArtifact -path BoxBackup-%compiled_version%.exe -DeploymentName BoxBackup-%compiled_version%
+
+deploy:
+  - provider: GitHub
+    release: BoxBackup-$(boxbackup_version_full)
+    artifact: BoxBackup-$(compiled_version)
+    description: "Windows client binaries auto-built by AppVeyor"
+    draft: false
+    # Master branch builds are full releases (not pre-releases), all others are pre-releases
+    prerelease: $(if ($env:APPVEYOR_REPO_BRANCH.equals('master')) {'false'} else {'true'})"
+    auth_token:
+      secure: WZi3MJGA5zIIAAij0if4auYeltJlyWUOePTYlCGvrNrgEVjYRkqILHzvVKDnLn43
+    on:
+      branch:
+        - master
+        - s3_support_merge
+        - mark_master_builds_as_full_releases