Fix caching bug (1.4.1) (#69)

.github/workflows/label.yml

@@ -14,7 +14,6 @@ jobs:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
       - uses: mheap/github-action-required-labels@v4
         with:
-          labels: |
-            "bug, enhancement, ci, documentation, dependencies, ignore-for-release"
+          labels: bug,enhancement,ci,documentation,dependencies,ignore-for-release
           mode: minimum
           count: 1

.github/workflows/test-cache.yml

@@ -32,7 +32,7 @@ jobs:
   test-download2:
     name: Test download cache 2/2
     timeout-minutes: 10
-    needs: [test-download1]
+    needs: test-download1
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -69,7 +69,7 @@ jobs:
   test-env2:
     name: Test env cache 2/2
     timeout-minutes: 10
-    needs: [test-env1]
+    needs: test-env1
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -85,3 +85,45 @@ jobs:
         run: |
           python -c "import os; env = os.path.basename(os.environ['CONDA_PREFIX']); assert env == 'env-name'"
 
+
+  test-env-then-download1:
+    name: Test env then download 1/2
+    timeout-minutes: 10
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./
+        with:
+          environment-file: test/environment.yml
+          cache-environment-key: env-then-download-env-${{ github.sha }}-${{ github.run_attempt }}
+      - name: test environment name
+        run: |
+          python -c "import os; env = os.path.basename(os.environ['CONDA_PREFIX']); assert env == 'env-name'"
+
+  test-env-then-download2:
+    name: Test env then download 2/2
+    timeout-minutes: 10
+    needs: test-env-then-download1
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./
+        with:
+          # Since the environment is cached, there will be no downloaded packages in $MAMBA_ROOT_PREFIX/pkgs.
+          # The caching should not fail because of this.
+          environment-file: test/environment.yml
+          cache-environment-key: env-then-download-env-${{ github.sha }}-${{ github.run_attempt }}
+          cache-downloads-key: env-then-download-download-${{ github.sha }}-${{ github.run_attempt }}
+      - name: test environment name
+        run: |
+          python -c "import os; env = os.path.basename(os.environ['CONDA_PREFIX']); assert env == 'env-name'"
+          test -d $MAMBA_ROOT_PREFIX
+          ! test -d $MAMBA_ROOT_PREFIX/pkgs

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-micromamba",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "private": true,
   "description": "Action to setup micromamba",
   "scripts": {

src/cache.ts

@@ -1,5 +1,6 @@
 import path from 'path'
 import * as fs from 'fs/promises'
+import { existsSync } from 'fs'
 import * as cache from '@actions/cache'
 import * as coreDefault from '@actions/core'
 import { coreMocked } from './mocking'
@@ -117,6 +118,10 @@ export const saveCacheDownloads = () => {
   }
   const cachePath = path.join(options.micromambaRootPath, 'pkgs')
   const cacheDownloadsKey = generateDownloadsKey(options.cacheDownloadsKey)
+  if (!existsSync(cachePath)) {
+    core.debug(`Cache folder \`${cachePath}\` doesn't exist, skipping cache saving.`)
+    return Promise.resolve()
+  }
   return trimPkgsCacheFolder(cachePath)
     .then(() => {
       core.startGroup(`Saving cache for \`${cachePath}\` ...`)