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https://github.com/eviden-actions/download-artifact

Download and untar a build artifact that was previously uploaded in the workflow by the upload-artifact action
https://github.com/eviden-actions/download-artifact

actions artifacts download eviden github tar

Last synced: 8 days ago
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Download and untar a build artifact that was previously uploaded in the workflow by the upload-artifact action

Host: GitHub
URL: https://github.com/eviden-actions/download-artifact
Owner: eviden-actions
License: mit
Created: 2022-05-20T13:10:49.000Z (over 2 years ago)
Default Branch: main
Last Pushed: 2024-04-10T14:35:25.000Z (7 months ago)
Last Synced: 2024-04-11T03:11:49.182Z (7 months ago)
Topics: actions, artifacts, download, eviden, github, tar
Language: Shell
Homepage:
Size: 2.77 MB
Stars: 1
Watchers: 1
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
- Codeowners: .github/CODEOWNERS

Awesome Lists containing this project

README

# Download-Artifact

This downloads artifacts from your build
This action is an extension of Github's [download-artifact](https://github.com/actions/download-artifact) action that `untar` the files after downloading.

See also [upload-artifact](https://github.com/eviden-actions/upload-artifact).

[![Release](https://github.com/eviden-actions/download-artifact/actions/workflows/on_push.yml/badge.svg#main)](https://github.com/eviden-actions/download-artifact/actions/workflows/on_push.yml)

## v2 - What's new

> [!IMPORTANT]
> actions/download-artifact@v4+ is not currently supported on GHES yet. If you are on GHES, you must use [v1](https://github.com/eviden-actions/download-artifact/releases/tag/v1).

The release of actions/upload-artifact@4 and actions/download-artifact@v4 are major changes to the backend architecture of Artifacts. They have numerous performance and behavioral improvements.

For more information, see the [`@actions/artifact`](https://github.com/actions/toolkit/tree/main/packages/artifact) documentation.

### Improvements

1. Downloads are significantly faster, upwards of 90% improvement in worst case scenarios.
2. Artifacts can be downloaded from other workflow runs and repositories when supplied with a PAT.

### Breaking Changes

1. On self hosted runners, additional [firewall rules](https://github.com/actions/toolkit/tree/main/packages/artifact#breaking-changes) may be required.
2. Downloading artifacts that were created from `action/upload-artifact@v3` and below are not supported.

For assistance with breaking changes, see [MIGRATION.md](docs/MIGRATION.md).

## Usage

### Inputs

```yaml
- uses: actions/download-artifact@v4
with:
# Name of the artifact to download.
# If unspecified, all artifacts for the run are downloaded.
# Optional.
name:

# Destination path. Supports basic tilde expansion.
# Optional. Default is $GITHUB_WORKSPACE
path:

# A glob pattern to the artifacts that should be downloaded.
# Ignored if name is specified.
# Optional.
pattern:

# When multiple artifacts are matched, this changes the behavior of the destination directories.
# If true, the downloaded artifacts will be in the same directory specified by path.
# If false, the downloaded artifacts will be extracted into individual named directories within the specified path.
# Optional. Default is 'false'
merge-multiple:

# The GitHub token used to authenticate with the GitHub API.
# This is required when downloading artifacts from a different repository or from a different workflow run.
# Optional. If unspecified, the action will download artifacts from the current repo and the current workflow run.
github-token:

# The repository owner and the repository name joined together by "/".
# If github-token is specified, this is the repository that artifacts will be downloaded from.
# Optional. Default is ${{ github.repository }}
repository:

# The id of the workflow run where the desired download artifact was uploaded from.
# If github-token is specified, this is the run that artifacts will be downloaded from.
# Optional. Default is ${{ github.run_id }}
run-id:
```

### Outputs

| Name | Description | Example |
| --------------- | --------------------------------------------------- | ----------------------- |
| `download-path` | Absolute path where the artifact(s) were downloaded | `/tmp/my/download/path` |

## Examples

### Download Single Artifact

Download to current working directory (`$GITHUB_WORKSPACE`):

```yaml
steps:
- uses: actions/download-artifact@v4
with:
name: my-artifact
- name: Display structure of downloaded files
run: ls -R
```

Download to a specific directory (also supports `~` expansion):

```yaml
steps:
- uses: actions/download-artifact@v4
with:
name: my-artifact
path: your/destination/dir
- name: Display structure of downloaded files
run: ls -R your/destination/dir
```

### Download All Artifacts

If the `name` input parameter is not provided, all artifacts will be downloaded. To differentiate between downloaded artifacts, by default a directory denoted by the artifacts name will be created for each individual artifact. This behavior can be changed with the `merge-multiple` input parameter.

Example, if there are two artifacts `Artifact-A` and `Artifact-B`, and the directory is `etc/usr/artifacts/`, the directory structure will look like this:

```
etc/usr/artifacts/
Artifact-A/
... contents of Artifact-A
Artifact-B/
... contents of Artifact-B
```

Download all artifacts to the current working directory:

```yaml
steps:
- uses: actions/download-artifact@v4
- name: Display structure of downloaded files
run: ls -R
```

Download all artifacts to a specific directory:

```yaml
steps:
- uses: actions/download-artifact@v4
with:
path: path/to/artifacts
- name: Display structure of downloaded files
run: ls -R path/to/artifacts
```

To download them to the _same_ directory:

```yaml
steps:
- uses: actions/download-artifact@v4
with:
path: path/to/artifacts
merge-multiple: true
- name: Display structure of downloaded files
run: ls -R path/to/artifacts
```

Which will result in:

```
path/to/artifacts/
... contents of Artifact-A
... contents of Artifact-B
```

### Download multiple (filtered) Artifacts to the same directory

In multiple arch/os scenarios, you may have Artifacts built in different jobs. To download all Artifacts to the same directory (or matching a glob pattern), you can use the `pattern` and `merge-multiple` inputs.

```yaml
jobs:
upload:
strategy:
matrix:
runs-on: [ubuntu-latest, macos-latest, windows-latest]
runs-on: ${{ matrix.runs-on }}
steps:
- name: Create a File
run: echo "hello from ${{ matrix.runs-on }}" > file-${{ matrix.runs-on }}.txt
- name: Upload Artifact
uses: actions/upload-artifact@v4
with:
name: my-artifact-${{ matrix.runs-on }}
path: file-${{ matrix.runs-on }}.txt
download:
needs: upload
runs-on: ubuntu-latest
steps:
- name: Download All Artifacts
uses: actions/download-artifact@v4
with:
path: my-artifact
pattern: my-artifact-*
merge-multiple: true
- run: ls -R my-artifact
```

This results in a directory like so:

```
my-artifact/
file-macos-latest.txt
file-ubuntu-latest.txt
file-windows-latest.txt
```

### Download Artifacts from other Workflow Runs or Repositories

It may be useful to download Artifacts from other workflow runs, or even other repositories. By default, the permissions are scoped so they can only download Artifacts within the current workflow run. To elevate permissions for this scenario, you can specify a `github-token` along with other repository and run identifiers:

```yaml
steps:
- uses: actions/download-artifact@v4
with:
name: my-other-artifact
github-token: ${{ secrets.GH_PAT }} # token with actions:read permissions on target repo
repository: actions/toolkit
run-id: 1234
```

## Limitations

### 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
```

## Additional Documentation

See [Github's download-artifact action](https://github.com/actions/updownload-artifact) for additional documentation.

See extra documentation for the [@actions/artifact](https://github.com/actions/toolkit/blob/main/packages/artifact/docs/additional-information.md) package that is used internally regarding certain behaviors and limitations.