From a3e34d3638857606330446e2b027a043d1377b20 Mon Sep 17 00:00:00 2001
From: Vuillemot Florian <florian.vuillemot@posteo.net>
Date: Mon, 11 Oct 2021 12:17:22 +0200
Subject: [PATCH 1/2] BLD: Add Cache task on Windows

---
 ci/azure/windows.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/ci/azure/windows.yml b/ci/azure/windows.yml
index 3bd20b1399be2..e477416b9fe3e 100644
--- a/ci/azure/windows.yml
+++ b/ci/azure/windows.yml
@@ -2,6 +2,11 @@ parameters:
   name: ''
   vmImage: ''
 
+
+variables:
+  CONDA_CACHE_DIR: $(Pipeline.Workspace)/.condarc
+
+
 jobs:
 - job: ${{ parameters.name }}
   pool:
@@ -41,12 +46,25 @@ jobs:
         Write-Host "##vso[task.prependpath]$env:CONDA\Scripts"
         Write-Host "##vso[task.prependpath]$HOME/miniconda3/bin"
       displayName: 'Add conda to PATH'
+
+    - task: Cache@2
+        displayName: Use cached Anaconda environment
+        inputs:
+          key: 'conda | "$(Agent.OS)" | "ci\\deps\\azure-windows-$(CONDA_PY).yaml"'
+          restoreKeys: |
+            python | "$(Agent.OS)"
+            python
+          path: $(CONDA_CACHE_DIR)
+          cacheHitVar: CONDA_CACHE_RESTORED
+
     - script: conda update -q -n base conda
       displayName: 'Update conda'
 
     - bash: |
         conda env create -q --file ci\\deps\\azure-windows-$(CONDA_PY).yaml
       displayName: 'Create anaconda environment'
+      condition: eq(variables.CONDA_CACHE_RESTORED, 'false')
+
     - bash: |
         source activate pandas-dev
         conda list

From 85678e9c1f73361ac86097af24949918565b5c99 Mon Sep 17 00:00:00 2001
From: Vuillemot Florian <florian.vuillemot@posteo.net>
Date: Mon, 11 Oct 2021 13:59:21 +0200
Subject: [PATCH 2/2] Remove useless backslash

---
 ci/azure/windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/azure/windows.yml b/ci/azure/windows.yml
index e477416b9fe3e..6b28fab070aac 100644
--- a/ci/azure/windows.yml
+++ b/ci/azure/windows.yml
@@ -50,7 +50,7 @@ jobs:
     - task: Cache@2
         displayName: Use cached Anaconda environment
         inputs:
-          key: 'conda | "$(Agent.OS)" | "ci\\deps\\azure-windows-$(CONDA_PY).yaml"'
+          key: 'conda | "$(Agent.OS)" | "ci\deps\azure-windows-$(CONDA_PY).yaml"'
           restoreKeys: |
             python | "$(Agent.OS)"
             python