Improve action (#6)

 - Avoid checkout all history in order to reduce LFS data size
 - Save cache save/restore to ensure only producer upload to the cache
 - Upload artifacts even on cache hit so that cache instability are fixed
 - Fix artifact workflow by reinit the git repo after download

Author: mwestphal

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         type: 'producer' 
         repository: 'f3d-app/f3d'
-        cache_postfix: 'ci-cache'
+        cache_postfix: 'ci-cache-0'
 
     - name: Set output
       id: lfs_sha
@@ -67,7 +67,7 @@ jobs:
         type: 'consumer' 
         repository: 'f3d-app/f3d'
         lfs_sha: ${{ needs.cache_lfs.outputs.lfs_sha}}
-        cache_postfix: 'ci-cache'
+        cache_postfix: 'ci-cache-0'
         target_directory: 'output_dir'
 
     - name: Check output has expected size

action.yml

@@ -59,10 +59,11 @@ runs:
       shell: bash
       run: echo "lfs_data_cache_sha=${{inputs.lfs_sha}}" >> $GITHUB_ENV
 
-    - name: Cache LFS data
+    - name: Restore cached LFS data
       id: cache-lfs
-      uses: actions/cache@v4
+      uses: actions/cache/restore@v4
       with:
+        enableCrossOsArchive: true
         path: 'lfs_data_cache/lfs_data'
         key: lfs-data-${{env.lfs_data_cache_sha}}-${{inputs.cache_postfix}}
 
@@ -80,13 +81,11 @@ runs:
         repository: ${{ inputs.repository }}
         ref: ${{env.lfs_data_cache_sha}}
         path: 'lfs_data_cache/lfs_data'
-        fetch-depth: 0
+        fetch-depth: 1
         lfs: true
 
     - name: Upload LFS artifact
-      if: |
-        steps.cache-lfs.outputs.cache-hit != 'true' &&
-        inputs.type == 'producer'
+      if: inputs.type == 'producer'
       uses: actions/upload-artifact@v4
       with:
         name: lfs-data-${{inputs.cache_postfix}}
@@ -105,6 +104,14 @@ runs:
         name: lfs-data-${{inputs.cache_postfix}}
         path: 'lfs_data_cache/lfs_data'
 
+    - name: Reinit the git repository
+      if: |
+        steps.cache-lfs.outputs.cache-hit != 'true' &&
+        inputs.type == 'consumer'
+      working-directory: ${{github.workspace}}/lfs_data_cache/lfs_data
+      shell: bash
+      run: git init .
+
     - name: Checkout LFS data (last resort)
       if: |
         steps.cache-lfs.outputs.cache-hit != 'true' &&
@@ -115,9 +122,20 @@ runs:
         repository: ${{ inputs.repository }}
         ref: ${{env.lfs_data_cache_sha}}
         path: 'lfs_data_cache/lfs_data'
-        fetch-depth: 0
+        fetch-depth: 1
         lfs: true
 
+    - name: Save LFS data cache
+      if: |
+        steps.cache-lfs.outputs.cache-hit != 'true' &&
+        inputs.type == 'producer'
+      id: cache-lfs-save
+      uses: actions/cache/save@v4
+      with:
+        enableCrossOsArchive: true
+        path: 'lfs_data_cache/lfs_data'
+        key: lfs-data-${{env.lfs_data_cache_sha}}-${{inputs.cache_postfix}}
+
     - name: Setup LFS data
       working-directory: ${{github.workspace}}
       shell: bash