cache based on date

Author: zacharyburnett

.github/workflows/test.yml

@@ -20,10 +20,19 @@ concurrency:
 
 defaults:
   run:
-    shell: bash -l {0}
+    shell: micromamba-shell {0}
 
 jobs:
+  date:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
+        id: date        
+        shell: bash
+    outputs:
+      date: ${{ steps.date.outputs.date }}
   build:
+    needs: [ date ]
     name: build environment
     runs-on: ubuntu-latest
     steps:
@@ -34,18 +43,21 @@ jobs:
           environment-file: 00_install/environment.yml
           create-args: >-
             conda
-          cache-environment: true
           cache-downloads: true
-          init-shell: bash
+          cache-downloads-key: downloads-${{ needs.date.outputs.date }}
+          cache-environment: true
+          cache-environment-key: environment-${{ needs.date.outputs.date }}
+          init-shell: none
+          generate-run-shell: true
       - run: python ./00_install/verify_install.py
       - run: conda env export > roman-data-workshop-env-${{ github.sha }}.yml
       - uses: actions/[email protected]
         with:
           name: roman-data-workshop-env-${{ github.sha }}.yml
           path: roman-data-workshop-env-${{ github.sha }}.yml
   data:
+    needs: [ date, build ]
     name: download data
-    needs: [ build ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -60,15 +72,18 @@ jobs:
           environment-file: 00_install/environment.yml
           create-args: >-
             conda
-          cache-environment: true
           cache-downloads: true
-          init-shell: bash
+          cache-downloads-key: downloads-${{ needs.date.outputs.date }}
+          cache-environment: true
+          cache-environment-key: environment-${{ needs.date.outputs.date }}
+          init-shell: none
+          generate-run-shell: true
         if: steps.data_cache.outputs.cache-hit != 'true'
       - run: python data/download.py
         if: steps.data_cache.outputs.cache-hit != 'true'
   test:
+    needs: [ date, build, data ]
     name: run notebooks
-    needs: [ build, data ]
     runs-on: ubuntu-latest
     env:
       CRDS_SERVER_URL: https://roman-crds-test.stsci.edu
@@ -83,9 +98,12 @@ jobs:
           environment-file: 00_install/environment.yml
           create-args: >-
             conda
-          cache-environment: true
           cache-downloads: true
-          init-shell: bash
+          cache-downloads-key: downloads-${{ needs.date.outputs.date }}
+          cache-environment: true
+          cache-environment-key: environment-${{ needs.date.outputs.date }}
+          init-shell: none
+          generate-run-shell: true
       - run: echo "name=crds_context::$(crds list --operational-context)" >> $GITHUB_OUTPUT
         id: crds_context
       - uses: actions/cache@v3