Build only tags

appveyor.yml

@@ -1,12 +1,10 @@
-# File system layout
-# %APPVEYOR_BUILD_FOLDER%/
-#   - depot_tools/ (in PATH)
-#   - repo/
-#       - pdfium/
-#           - out/
+skip_non_tags: true
+test: off
+
 environment:
   APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
   GYP_MSVS_VERSION: 2017
+  PDFium_BRANCH: $(APPVEYOR_REPO_TAG)
 
 configuration:
   - Debug
@@ -25,12 +23,10 @@ artifacts:
 
 deploy:
   - provider: GitHub
-    tag: latest
-    release: 'Latest build from master'
-    description: "This is the latest build from the 'master' branch"
-    prerelease: true
+    tag: $(APPVEYOR_REPO_TAG)
+    description: "This version was built with branch $(APPVEYOR_REPO_TAG) of PDFium"
     force_update: true
     auth_token:
       secure: JH8IVbdgVLz16ZXQLO41jQ5OsC7wR8IMRPAzinrdqpvgfhe/btgtr1xZ5trO2Eux
     on:
-      branch: master
+      appveyor_repo_tag: true

build.bat

@@ -2,6 +2,7 @@
 : GYP_MSVS_VERSION = 2017 | 2015
 : CONFIGURATION = Debug | Release
 : PLATFORM = x86 | x64
+: PDFium_BRANCH = master | chromium/3211 | ...
 
 : Input
 set DepotTools_URL=https://storage.googleapis.com/chrome-infra/depot_tools.zip
@@ -35,10 +36,16 @@ call 7z -bd x depot_tools.zip -o%DepotTools_DIR%
 set PATH=%DepotTools_DIR%;%PATH%
 set DEPOT_TOOLS_WIN_TOOLCHAIN=0
 
-: Checkout
+: Clone
 call gclient config --unmanaged %PDFium_URL%
 call gclient sync
 
+: Checkout
+echo on
+cd %PDFium_SOURCE_DIR%
+call git checkout %PDFium_BRANCH%
+call gclient sync
+
 : Patch
 echo on
 cd %PDFium_SOURCE_DIR%