Document how to correctly use environment variables for path input (#274)
* Update README.md * Update README.mdpull/278/head
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README.md
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README.md
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@ -205,6 +205,20 @@ Environment variables along with context expressions can also be used for input.
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path: ${{ github.workspace }}/artifact/**/*
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path: ${{ github.workspace }}/artifact/**/*
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```
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```
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For environment variables created in other steps, make sure to use the `env` expression syntax
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```
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steps:
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- run: |
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mkdir testing
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echo "This is a file to upload" > testing/file.txt
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echo "artifactPath=testing/file.txt" >> $GITHUB_ENV
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- uses: actions/upload-artifact@v2
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with:
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name: artifact
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path: ${{ env.artifactPath }} # this will resolve to testing/file.txt at runtime
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```
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### Retention Period
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### Retention Period
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Artifacts are retained for 90 days by default. You can specify a shorter retention period using the `retention-days` input:
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Artifacts are retained for 90 days by default. You can specify a shorter retention period using the `retention-days` input:
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