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support custom paths in Git context

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Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
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CrazyMax
2026-09-15 12:24:18 +02:00
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@@ -285,18 +285,18 @@ The following inputs can be used as `step.with` keys:
> org.opencontainers.image.vendor=MyCompany
> ```
| Name | Type | Description |
|-------------------|--------|------------------------------------------------------------------------------|
| `context` | String | Where to get context data. Allowed options are: `workflow` (default), `git`. |
| `images` | List | List of Docker images to use as base name for tags |
| `tags` | List | List of [tags](#tags-input) as key-value pair attributes |
| `flavor` | List | [Flavor](#flavor-input) to apply |
| `labels` | List | List of custom labels |
| `annotations` | List | List of custom annotations |
| `sep-tags` | String | Separator to use for tags output (default `\n`) |
| `sep-labels` | String | Separator to use for labels output (default `\n`) |
| `sep-annotations` | String | Separator to use for annotations output (default `\n`) |
| `bake-target` | String | Bake target name (default `docker-metadata-action`) |
| Name | Type | Description |
|-------------------|--------|--------------------------------------------------------------------------------------------|
| `context` | String | Where to get context data. Allowed options are: `workflow` (default), `git`, `git:<path>`. |
| `images` | List | List of Docker images to use as base name for tags |
| `tags` | List | List of [tags](#tags-input) as key-value pair attributes |
| `flavor` | List | [Flavor](#flavor-input) to apply |
| `labels` | List | List of custom labels |
| `annotations` | List | List of custom annotations |
| `sep-tags` | String | Separator to use for tags output (default `\n`) |
| `sep-labels` | String | Separator to use for labels output (default `\n`) |
| `sep-annotations` | String | Separator to use for annotations output (default `\n`) |
| `bake-target` | String | Bake target name (default `docker-metadata-action`) |
### outputs
@@ -357,6 +357,24 @@ context: git
* `workflow`: Get context metadata from the workflow (GitHub context). See https://docs.github.com/en/actions/learn-github-actions/contexts#github-context
* `git`: Get context metadata from the workflow and overrides some of them with current Git context, such as `ref` and `sha`.
Use `context: git:<path>` when the repository is checked out to a custom path.
The path can be absolute or relative to the current working directory
(normally `$GITHUB_WORKSPACE`):
```yaml
- uses: actions/checkout@v7
with:
path: source
- uses: docker/metadata-action@v6
with:
context: git:source
images: name/app
tags: type=sha
```
The selected checkout supplies the Git ref, SHA, and commit date. Other repository
metadata still comes from the workflow repository.
## `images` input
`images` defines a list of Docker images to use as base name for [`tags`](#tags-input):