Revert "Upgrade cache pipeline task (#1366)"

This reverts commit 88fb43b73b.

.azure-pipelines.yml

@@ -1,5 +1,6 @@
 variables:
   YARN_CACHE_FOLDER: $(Pipeline.Workspace)/.yarn
+  AZURE_CACHE_FOLDER: $(Pipeline.Workspace)/.azure-cache
 pr:
   - master
   - releases/*
@@ -28,13 +29,11 @@ jobs:
         inputs:
           versionSpec: $(node_version)
         displayName: Install Node.js
-      - task: Cache@2
+      - task: CacheBeta@0
         inputs:
           key: yarn | $(Agent.OS) | yarn.lock
-          restoreKeys: |
-            yarn | "$(Agent.OS)"
-            yarn
           path: $(YARN_CACHE_FOLDER)
+          cacheHitVar: CACHE_RESTORED
         displayName: Cache Yarn packages
       - script: make install-deps
         displayName: Install dependencies
@@ -68,14 +67,17 @@ jobs:
         inputs:
           versionSpec: $(node_version)
         displayName: Install Node.js
-      - task: Cache@2
+      - task: CacheBeta@0
         inputs:
-          key: yarn | $(Agent.OS) | yarn.lock
-          restoreKeys: |
-            yarn | "$(Agent.OS)"
-            yarn
-          path: $(YARN_CACHE_FOLDER)
+          key: cache | $(Agent.OS) | yarn.lock
+          path: $(AZURE_CACHE_FOLDER)
+          cacheHitVar: CACHE_RESTORED
         displayName: Cache Yarn packages
+      - bash: |
+          mkdir -p "$YARN_CACHE_FOLDER"
+          tar -xzf "$AZURE_CACHE_FOLDER/yarn-cache.tar.gz" -C /
+        displayName: "Unpack cache"
+        condition: eq(variables.CACHE_RESTORED, 'true')
       - script: make install-deps
         displayName: Install dependencies
       - script: make build-npm
@@ -99,6 +101,10 @@ jobs:
           CSC_LINK: $(CSC_LINK)
           CSC_KEY_PASSWORD: $(CSC_KEY_PASSWORD)
           GH_TOKEN: $(GH_TOKEN)
+      - bash: |
+          mkdir -p "$AZURE_CACHE_FOLDER"
+          tar -czf "$AZURE_CACHE_FOLDER/yarn-cache.tar.gz" "$YARN_CACHE_FOLDER"
+        displayName: Pack cache
   - job: Linux
     pool:
       vmImage: ubuntu-16.04
@@ -114,14 +120,17 @@ jobs:
         inputs:
           versionSpec: $(node_version)
         displayName: Install Node.js
-      - task: Cache@2
+      - task: CacheBeta@0
         inputs:
-          key: yarn | $(Agent.OS) | yarn.lock
-          restoreKeys: |
-            yarn | "$(Agent.OS)"
-            yarn
-          path: $(YARN_CACHE_FOLDER)
+          key: cache | $(Agent.OS) | yarn.lock
+          path: $(AZURE_CACHE_FOLDER)
+          cacheHitVar: CACHE_RESTORED
         displayName: Cache Yarn packages
+      - bash: |
+          mkdir -p "$YARN_CACHE_FOLDER"
+          tar -xzf "$AZURE_CACHE_FOLDER/yarn-cache.tar.gz" -C /
+        displayName: "Unpack cache"
+        condition: eq(variables.CACHE_RESTORED, 'true')
       - script: make install-deps
         displayName: Install dependencies
       - script: make lint
@@ -165,3 +174,7 @@ jobs:
         condition: "and(succeeded(), startsWith(variables['Build.SourceBranch'], 'refs/tags/'))"
         env:
           NPM_TOKEN: $(NPM_TOKEN)
+      - bash: |
+          mkdir -p "$AZURE_CACHE_FOLDER"
+          tar -czf "$AZURE_CACHE_FOLDER/yarn-cache.tar.gz" "$YARN_CACHE_FOLDER"
+        displayName: Pack cache