Merge pull request PixarAnimationStudios#201 from autodesk-forks/adsk…

…/feature/pipeline_adsk

Refine PR Build of adsk/dev

Jenkinsfile

@@ -26,7 +26,7 @@ DEPLOY_CREDENTIALS  = [$class: 'StringBinding',
 // because of user input to a model window, path problems, etc. These need to be fixed.
 // timeout - to avoid potential test hangs, e.g. testUsdImagingGL without proper fixes
 // -R - a regular expression used to list desired tests rather than all tests (TBD)
-USDTESTINGFLAGS     = "-E \"testUsdviewNavigationKeys|TfPathUtils\" --timeout 60"
+USDTESTINGFLAGS     = "-E \"testUsdviewNavigationKeys\" --timeout 60"
 
 // Necessary flags to pass to build_usd.py
 USDBUILDINGFLAGS    = "--materialx --ptex --openvdb --tests --build-args USD,\"-DPXR_ENABLE_PRECOMPILED_HEADERS=OFF -DPXR_USE_PYTHON_3=ON\""
@@ -40,6 +40,13 @@ BUILD_LINUX         = true
 ///////////////////////////////////////////////////
 // Main program
 
+// The status on PR's target branch after it's merged is more important for us,
+// so exclude branch building, except a few branches for releasing purpose
+if (!(isDevBranch() || isReleaseBranch() || isPullRequest())) {
+  echo "Skip CI for branches which are not dev, release branch or pull request."
+  return
+}
+
 def jobParams       = [
                       [$class: 'BooleanParameterDefinition',
                         defaultValue: false,
@@ -198,6 +205,18 @@ def checkoutGit() {
     submoduleCfg: [],
     userRemoteConfigs: scm.userRemoteConfigs
   ])
+
+  // Checkout target branch of PR and merge its' head to validate locally
+  if (isPullRequest()) {
+    COMMONSHELL.shell """\
+                      git config user.name 'agpbuildguy'
+                      git config user.email '[email protected]'
+                      git checkout ${env.CHANGE_TARGET}
+                      git merge origin/${env.BRANCH_NAME}
+                      git submodule update --init --recursive
+                      git lfs pull origin
+                      """
+  }
 }
 
 def getBuildInfo(os, platform, config) {
@@ -288,6 +307,13 @@ def isReleaseBranch(){
   return result
 }
 
+def isPullRequest(){
+  def match = env.BRANCH_NAME =~/(?i)^pr-.*/
+  def result = match ? true : false
+  match = null
+  return result
+}
+
 
 ///////////////////////////////////////////////////
 // Checkout functions