[test-cache-yarn-failed]

.github/workflows/tests-cache-yarn-failed.yaml

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+on:
+    workflow_dispatch:
+
+jobs:
+    test_matrix:
+        timeout-minutes: 1
+        strategy:
+            fail-fast: false
+            matrix:
+                package-manager:
+                    - npm@10.7.0
+                    - yarn@4.1.1
+                pre-actions-setup-node:
+                    - ':'
+                    - corepack enable
+                actions-setup-node-cache:
+                    - ''
+                    - npm
+                    - yarn
+                exclude:
+                    - package-manager: npm@10.7.0
+                      actions-setup-node-cache: yarn
+                    - package-manager: yarn@4.1.1
+                      actions-setup-node-cache: npm
+
+        runs-on: ubuntu-22.04
+        steps:
+            - uses: actions/checkout@v4
+            - run: sed --in-place --regexp-extended 's/("packageManager":\s*")[^"]+/\1${{ matrix.package-manager }}/' package.json
+            - run: ${{ matrix.pre-actions-setup-node }}
+            - uses: actions/setup-node@v4
+              with:
+                node-version: '20'
+                cache: ${{ matrix.actions-setup-node-cache }}
+            - run: corepack enable

.gitignore

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+/node_modules/
+/.yarn/

.yarnrc.yml

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+nodeLinker: node-modules

package.json

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+{
+	"private": false,
+	"name": "@esperecyan/actions-setup-node-debug",
+	"license": "CC0-1.0",
+	"author": {
+		"name": "100の人",
+		"url": "https://github.com/esperecyan/actions-setup-node-debug"
+	},
+	"packageManager": "npm@10.7.0"
+}

yarn.lock

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+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 8
+  cacheKey: 10c0
+
+"@esperecyan/actions-setup-node-debug@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "@esperecyan/actions-setup-node-debug@workspace:."
+  languageName: unknown
+  linkType: soft