Fix swiftlint error that is unable to find lintable swift files

- Update swiftlint documentation

- Update to use swiftlint's Docker image

Fixes oxsecurity#440

Author: Noraldeno

CHANGELOG.md

@@ -21,6 +21,7 @@ Note: Can be used with `oxsecurity/megalinter@beta` in your GitHub Action mega-l
       Learn more about context on [GH-4328](https://github.com/oxsecurity/megalinter/issues/4328)
 
 - Fixes
+  - [swiftlint](https://github.com/realm/SwiftLint) Fix swiftlint error where linter is unable to find lintable files. Fixes [#440](https://github.com/oxsecurity/megalinter/issues/440).
 
 - Reporters
 

docs/descriptors/swift_swiftlint.md

@@ -11,8 +11,8 @@ description: How to use swiftlint (configure, ignore files, ignore errors, help
 
 - Version in MegaLinter: **0.57.1**
 - Visit [Official Web Site](https://github.com/realm/SwiftLint#readme){target=_blank}
-- Docker image: [norionomura/swiftlint:latest](https://hub.docker.com/r/norionomura/swiftlint){target=_blank}
-  - arguments: `-v {{WORKSPACE}}:/tmp/lint:rw`
+- Docker image: [ghcr.io/realm/swiftlint:latest](https://hub.docker.com/r/ghcr.io/realm/swiftlint){target=_blank}
+  - arguments: `-v {{WORKSPACE}}:/tmp/lint:rw -w /tmp/lint`
 - See [How to configure swiftlint rules](https://github.com/realm/SwiftLint#configuration){target=_blank}
 - See [How to disable swiftlint rules in files](https://github.com/realm/SwiftLint#disable-rules-in-code){target=_blank}
 - See [Index of problems detected by swiftlint](https://realm.github.io/SwiftLint/rule-directory.html){target=_blank}
@@ -82,11 +82,11 @@ swiftlint is called once on the whole project directory (`project` CLI lint mode
 ### Example calls
 
 ```shell
-docker run -v /tmp/lint:/tmp/lint:rw norionomura/swiftlint:latest swiftlint lint --path /tmp/lint --strict
+docker run -v /tmp/lint:/tmp/lint:rw ghcr.io/realm/swiftlint:latest swiftlint --strict
 ```
 
 ```shell
-docker run -v /tmp/lint:/tmp/lint:rw norionomura/swiftlint:latest swiftlint --fix --path /tmp/lint --strict
+docker run -v /tmp/lint:/tmp/lint:rw ghcr.io/realm/swiftlint:latest swiftlint --fix --strict
 ```
 
 

megalinter/descriptors/swift.megalinter-descriptor.yml

@@ -19,24 +19,25 @@ linters:
     cli_lint_extra_args:
       - "lint"
     cli_lint_extra_args_after:
-      - "/tmp/lint"
       - "--strict"
     cli_lint_fix_arg_name: "--fix"
     cli_lint_fix_remove_args:
       - "lint"
-    cli_docker_image: norionomura/swiftlint
+    cli_docker_image: ghcr.io/realm/swiftlint
     cli_docker_args:
       - "-v"
       - "{{WORKSPACE}}:/tmp/lint:rw"
+      - "-w"
+      - "/tmp/lint"
     config_file_name: ".swiftlint.yml"
     cli_config_arg_name: ""
     cli_help_arg_name: "help"
     cli_version_arg_name: "version"
     cli_lint_errors_count: regex_number
     cli_lint_errors_regex: "Found ([0-9]+) violations"
     examples:
-      - "docker run -v /tmp/lint:/tmp/lint:rw norionomura/swiftlint:latest swiftlint lint --path /tmp/lint --strict"
-      - "docker run -v /tmp/lint:/tmp/lint:rw norionomura/swiftlint:latest swiftlint --fix --path /tmp/lint --strict"
+      - "docker run -v /tmp/lint:/tmp/lint:rw ghcr.io/realm/swiftlint:latest swiftlint --strict"
+      - "docker run -v /tmp/lint:/tmp/lint:rw ghcr.io/realm/swiftlint:latest swiftlint --fix --strict"
     ide:
       atom:
         - name: linter-swiftlint