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add limitations section

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Rob Herley 2023-12-13 11:55:56 -05:00
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@ -24,6 +24,10 @@ See also [download-artifact](https://github.com/actions/download-artifact).
- [Using Outputs](#using-outputs)
- [Example output between steps](#example-output-between-steps)
- [Example output between jobs](#example-output-between-jobs)
- [Limitations](#limitations)
- [Number of Artifacts](#number-of-artifacts)
- [Zip archives](#zip-archives)
- [Permission Loss](#permission-loss)
- [Where does the upload go?](#where-does-the-upload-go)
@ -358,6 +362,35 @@ jobs:
run: echo "Artifact ID from previous job is $OUTPUT1"
```
## Limitations
### Number of Artifacts
Within an individual job, there is a limit of 10 artifacts that can be created for that job.
You may also be limited by Artifacts if you have exceeded your shared storage quota. Storage is calculated every 6-12 hours. See [the documentation](https://docs.github.com/en/billing/managing-billing-for-github-actions/about-billing-for-github-actions#calculating-minute-and-storage-spending) for more info.
### Zip archives
When an Artifact is uploaded, all the files are assembled into an immutable Zip archive. There is currently no way to download artifacts in a format other than a Zip or to download individual artifact contents.
### Permission Loss
File permissions are not maintained during artifact upload. All directories will have `755` and all files will have `644`. For example, if you make a file executable using `chmod` and then upload that file, post-download the file is no longer guaranteed to be set as an executable.
If you must preserve permissions, you can `tar` all of your files together before artifact upload. Post download, the `tar` file will maintain file permissions and case sensitivity.
```yaml
- name: 'Tar files'
run: tar -cvf my_files.tar /path/to/my/directory
- name: 'Upload Artifact'
uses: actions/upload-artifact@v4
with:
name: my-artifact
path: my_files.tar
```
## Where does the upload go?
At the bottom of the workflow summary page, there is a dedicated section for artifacts. Here's a screenshot of something you might see: