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ci: Package action automatically on release branch (#15)

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@ -5,27 +5,27 @@ A GitHub Action for extracting files from a Docker Image.
```yaml
- uses: shrink/actions-docker-extract@v1
with:
image: 'ghost:alpine'
path: '/var/lib/ghost/current/core/built/assets/.'
image: "ghost:alpine"
path: "/var/lib/ghost/current/core/built/assets/."
```
## Inputs
All inputs are required.
| ID | Description | Examples |
| --- | ----------- | -------- |
| `image` | Docker Image to extract files from | `alpine` `ghcr.io/github/super-linter:latest` |
| `path` | Path (from root) to a file or directory within Image | `files/example.txt` `files` `files/.` |
| ID | Description | Examples |
| ------- | ---------------------------------------------------- | --------------------------------------------- |
| `image` | Docker Image to extract files from | `alpine` `ghcr.io/github/super-linter:latest` |
| `path` | Path (from root) to a file or directory within Image | `files/example.txt` `files` `files/.` |
> :paperclip: To copy the **contents** of a directory the `path` must end with
`/.` otherwise the directory itself will be copied. More information about the
specific rules can be found via the [docker cp][docker-cp] documentation.
> `/.` otherwise the directory itself will be copied. More information about the
> specific rules can be found via the [docker cp][docker-cp] documentation.
## Outputs
| ID | Description | Example |
| --- | ----------- | ------- |
| ID | Description | Example |
| ------------- | ------------------------------------------------- | ------------------------ |
| `destination` | Destination path containing the extracted file(s) | `.extracted-1598717412/` |
## Examples
@ -88,6 +88,25 @@ jobs:
name: dist
```
## Automatic Release Packaging
A Workflow packages the Action automatically when a collaborator created a new
tag. Any reference to this Action in a Workflow must use a [tag][tags] (mutable)
or the commit hash of a tag (immutable).
```yaml
✅ uses: shrink/actions-docker-extract@v2
✅ uses: shrink/actions-docker-extract@v2.0.0
✅ uses: shrink/actions-docker-extract@abde1147dd0d248b38feda9e75768c3d2b57eefc
❌ uses: shrink/actions-docker-extract@main
```
The blog post
[Package GitHub Actions automatically with GitHub Actions][blog/package-automatically]
describes how this is achieved.
[build-push-action]: https://github.com/docker/build-push-action
[login-action]: https://github.com/docker/login-action
[docker-cp]: https://docs.docker.com/engine/reference/commandline/cp/#extended-description
[tags]: https://github.com/shrink/actions-docker-extract/tags
[blog/package-automatically]: https://medium.com/prompt/package-github-actions-automatically-with-github-actions-a70b9f7bae4