From de9d3afdc74d29517ea911efe1496d33a677056b Mon Sep 17 00:00:00 2001
From: "Lanzrath, Hannah" <h.lanzrath@fz-juelich.de>
Date: Fri, 6 Dec 2024 12:52:31 +0100
Subject: [PATCH] Save 30 seconds with this way of caching?

---
 .github/workflows/pipeline.yml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index 602afef8..f55ae56b 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -39,11 +39,12 @@ jobs:
         run: echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT
         shell: bash
 
-      - name: Restore cache and save updated environment after job
+      - name: Restore cache
         uses: actions/cache@v4
         with:
           path: ${{ env.CONDA }}/envs
           key: ${{ matrix.os }}-python_${{ matrix.python-version }}-${{ steps.get-date.outputs.today }}-${{ hashFiles(env.CONDA_FILE) }}-${{ env.CACHE_NUMBER }}
+          lookup-only: true
         id: cache
 
       - name: No cache found - Create new environment with Miniforge
@@ -58,6 +59,13 @@ jobs:
           auto-activate-base: false
         if: steps.cache.outputs.cache-hit != 'true'
 
+      - name: Save cache only when it does not exist already
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.CONDA }}/envs
+          key: ${{ matrix.os }}-python_${{ matrix.python-version }}-${{ hashFiles(env.CONDA_FILE) }}-${{ env.CACHE_NUMBER }}
+
       - name: Install CADET-Process
         run: |
           pip install -e ./[testing]
@@ -67,7 +75,7 @@ jobs:
           PYTHON_VERSION=$(python --version | awk '{print $2}')
           REQUIRED_VERSION="${{ matrix.python-version }}.*"
           echo "Running on Python version: $PYTHON_VERSION"
-          echo "Required Python version: $REQUIRED_VERSION
+          echo "Required Python version: $REQUIRED_VERSION"
 
           python -m unittest discover -s tests