Enable windows ci

.azure/linux-bench.yml

@@ -1,6 +1,6 @@
 jobs:
 - job: ghcide_bench_linux
-  timeoutInMinutes: 60
+  timeoutInMinutes: 120
   pool:
     vmImage: 'ubuntu-latest'
   strategy:

.azure/windows-stack.yml

@@ -21,17 +21,16 @@ jobs:
   - checkout: self
   - task: Cache@2
     inputs:
-      key: stack-cache-v2 | $(Agent.OS) | $(Build.SourcesDirectory)/$(STACK_YAML) | $(Build.SourcesDirectory)/ghcide.cabal
-      path: .azure-cache
-      cacheHitVar: CACHE_RESTORED
-    displayName: "Cache stack artifacts"
-  - bash: |
-      mkdir -p $STACK_ROOT
-      tar -vxzf .azure-cache/stack-root.tar.gz -C /c
-      mkdir -p .stack-work
-      tar -vxzf .azure-cache/stack-work.tar.gz
-    displayName: "Unpack cache"
-    condition: eq(variables.CACHE_RESTORED, 'true')
+      key: stack-root-cache | $(Agent.OS) | $(Build.SourcesDirectory)/$(STACK_YAML) | $(Build.SourcesDirectory)/ghcide.cabal
+      path: $(STACK_ROOT)
+      cacheHitVar: STACK_ROOT_CACHE_RESTORED
+    displayName: "Cache stack root"
+  - task: Cache@2
+    inputs:
+      key: stack-work-cache | $(Agent.OS) | $(Build.SourcesDirectory)/$(STACK_YAML) | $(Build.SourcesDirectory)/ghcide.cabal
+      path: .stack-work
+      cacheHitVar: STACK_WORK_CACHE_RESTORED
+    displayName: "Cache stack work"
   - bash: |
       ./fmt.sh
     displayName: "HLint via ./fmt.sh"
@@ -47,19 +46,14 @@ jobs:
       stack install happy --stack-yaml $STACK_YAML
       stack install alex --stack-yaml $STACK_YAML
       stack install cabal-install --stack-yaml $STACK_YAML
-      # GHC 8.10 keeps crashing with various kinds of access violations and other
-      # errors so we retry 3 times.
+      # GHC 8.10.1 fails with ghc segfaults, using -fexternal-interpreter seems to make it working
+      # There are other transient errors like timeouts downloading from stackage so we retry 3 times
       if [ "$STACK_YAML" = "stack8101.yaml" ]; then
         stack build --only-dependencies --stack-yaml $STACK_YAML --ghc-options="-fexternal-interpreter" || stack build --only-dependencies --stack-yaml $STACK_YAML --ghc-options="-fexternal-interpreter" || stack build --only-dependencies --stack-yaml $STACK_YAML  --ghc-options="-fexternal-interpreter"
       else
-        stack build --only-dependencies --stack-yaml $STACK_YAML
+        stack build --only-dependencies --stack-yaml $STACK_YAML || stack build --only-dependencies --stack-yaml $STACK_YAML || stack build --only-dependencies --stack-yaml $STACK_YAML
       fi
     displayName: 'stack build --only-dependencies'
-  - bash: |
-      mkdir -p .azure-cache
-      tar -vczf .azure-cache/stack-root.tar.gz $(cygpath $STACK_ROOT)
-      tar -vczf .azure-cache/stack-work.tar.gz .stack-work
-    displayName: "Pack cache"
   - bash: |
       if [ "$STACK_YAML" = "stack8101.yaml" ]; then
         stack test --no-run-tests --ghc-options="-Werror -fexternal-interpreter" --stack-yaml $STACK_YAML || stack test --no-run-tests --ghc-options="-Werror -fexternal-interpreter" --stack-yaml $STACK_YAML || stack test --no-run-tests --ghc-options="-Werror -fexternal-interpreter" --stack-yaml $STACK_YAML

azure-pipelines.yml

@@ -15,5 +15,5 @@ pr:
 
 jobs:
   - template: ./.azure/linux-stack.yml
-#  - template: ./.azure/windows-stack.yml
+  - template: ./.azure/windows-stack.yml
   - template: ./.azure/linux-bench.yml