Specify workingDirectory for script tasks

azure-pipelines.yml

@@ -6,6 +6,7 @@ pool:
 
 variables:
   release: 'v19.07.3'
+  workingDirectory: '$(Build.SourcesDirectory)/openwrt'
 
 steps:
 - script: sudo apt-get -q -y install libncursesw5-dev
@@ -18,23 +19,25 @@ steps:
 
 - script: |
     cp .config openwrt/
-    cd openwrt/
   displayName: 'Copy .config file'
 
 - script: git checkout $(release)
+  workingDirectory: $(workingDirectory)
   displayName: 'Checkout $(release)'
 
 - script: |
     ./scripts/feeds update -a
     ./scripts/feeds install -a
-  displayName: Update package feeds
+  workingDirectory: $(workingDirectory)
+  displayName: 'Update package feeds'
 
 - script: make
+  workingDirectory: $(workingDirectory)
   displayName: 'Build the project'
 
 - task: CopyFiles@2
   inputs:
-    contents: 'bin/targets/x86/64/**'
+    contents: $(workingDirectory)/bin/targets/x86/64/**
     targetFolder: $(Build.ArtifactStagingDirectory)
 
 - task: PublishBuildArtifacts@1