fix(chart): Fix the repository path for act runner (#66)

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### Description of the change

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Changes the default repository path for the act runner image from gitea/act_runner to act_runner

### Benefits

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### Possible drawbacks

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### Applicable issues

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- Fixes #65

### Additional information

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### ⚠ BREAKING

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### Checklist

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- [X] Parameters are documented in the `values.yaml` and added to the `README.md` using [readme-generator-for-helm](https://github.com/bitnami-labs/readme-generator-for-helm)
- [X] Helm templating unittests are added (required when changing anything in `templates` folder)
- [X] All added template resources MUST render a namespace in metadata

Reviewed-on: https://gitea.com/gitea/helm-actions/pulls/66
Reviewed-by: DaanSelen <daanselen@noreply.gitea.com>
Co-authored-by: Stephen Sullivan <sjsullivan7@gmail.com>
Co-committed-by: Stephen Sullivan <sjsullivan7@gmail.com>

README.md

@@ -58,7 +58,7 @@ You should be good to go!
 | `statefulset.affinity`                    | Affinity for the statefulset                                                                                                                | `{}`                           |
 | `statefulset.extraVolumes`                | Extra volumes for the statefulset                                                                                                           | `[]`                           |
 | `statefulset.actRunner.registry`          | image registry, e.g. gcr.io,docker.io                                                                                                       | `docker.gitea.com`             |
-| `statefulset.actRunner.repository`        | The Gitea act runner image                                                                                                                  | `gitea/act_runner`             |
+| `statefulset.actRunner.repository`        | The Gitea act runner image                                                                                                                  | `act_runner`                   |
 | `statefulset.actRunner.tag`               | The Gitea act runner tag                                                                                                                    | `0.2.13`                       |
 | `statefulset.actRunner.digest`            | Image digest. Allows to pin the given image tag. Useful for having control over mutable tags like `latest`                                  | `""`                           |
 | `statefulset.actRunner.pullPolicy`        | The Gitea act runner pullPolicy                                                                                                             | `IfNotPresent`                 |

unittests/helm/statefulset.yaml

@@ -40,7 +40,7 @@ tests:
           name: gitea-unittests-actions-act-runner
       - equal:
           path: spec.template.spec.containers[0].image
-          value: docker.gitea.com/gitea/act_runner:0.2.13@sha256:abcdef123456
+          value: docker.gitea.com/act_runner:0.2.13@sha256:abcdef123456
   - it: act-runner uses global.imageRegistry
     template: templates/statefulset.yaml
     set:
@@ -58,7 +58,7 @@ tests:
           name: gitea-unittests-actions-act-runner
       - equal:
           path: spec.template.spec.containers[0].image
-          value: test.io/gitea/act_runner:0.2.13
+          value: test.io/act_runner:0.2.13
   - it: dind uses fullOverride
     template: templates/statefulset.yaml
     set:

values.yaml

@@ -48,7 +48,7 @@ statefulset:
 
   actRunner:
     registry: "docker.gitea.com"
-    repository: gitea/act_runner
+    repository: act_runner
     tag: 0.2.13
     digest: ""
     pullPolicy: IfNotPresent