CI: share pandas setup steps

Author: afeld

.github/actions/setup/action.yml

@@ -0,0 +1,13 @@
+name: Set up pandas
+description: Runs all the setup steps required to have a built pandas ready to use
+runs:
+  using: composite
+  steps:
+    - name: Setting conda path
+      run: echo "${HOME}/miniconda3/bin" >> $GITHUB_PATH
+
+    - name: Checkout
+      uses: actions/checkout@v1
+
+    - name: Setup environment and build pandas
+      run: ci/setup_env.sh

.github/workflows/ci.yml

@@ -100,14 +100,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Setting conda path
-      run: echo "${HOME}/miniconda3/bin" >> $GITHUB_PATH
-
-    - name: Checkout
-      uses: actions/checkout@v1
-
-    - name: Setup environment and build pandas
-      run: ci/setup_env.sh
+    - name: Set up pandas
+      uses: .github/actions/setup
 
     - name: Build website
       run: |
@@ -144,14 +138,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Setting conda path
-      run: echo "${HOME}/miniconda3/bin" >> $GITHUB_PATH
-
-    - name: Checkout
-      uses: actions/checkout@v1
-
-    - name: Setup environment and build pandas
-      run: ci/setup_env.sh
+    - name: Set up pandas
+      uses: .github/actions/setup
 
     - name: Run tests
       run: |