fix: trim leading dot-slash from paths (#66)

.github/workflows/test.yml

@@ -23,5 +23,8 @@ jobs:
         with:
           go-version: '1.21'
 
-      - run: |-
+      - name: 'Run tests'
+        env:
+          ACTIONS_TOKEN: '${{ github.token }}'
+        run: |-
           go test -count=1 -shuffle=on -timeout=10m -race ./...

command/command.go

@@ -126,6 +126,7 @@ func loadYAMLFiles(fsys fs.FS, paths []string) (loadResults, error) {
 	r := make(loadResults, 0, len(paths))
 
 	for _, pth := range paths {
+		pth = strings.TrimPrefix(pth, "./")
 		contents, err := fs.ReadFile(fsys, pth)
 		if err != nil {
 			return nil, fmt.Errorf("failed to read file %s: %w", pth, err)

command/command_test.go

@@ -356,6 +356,31 @@ func Test_loadYAMLFiles(t *testing.T) {
         uses: 'my-org/my-repo/.github/workflows/my-workflow.yml@v0'
     final_job:
         uses: './local/path/to/action'
+`,
+		},
+		{
+			name:          "handles-leading-dot-slash",
+			yamlFilenames: []string{"./testdata/github.yml"},
+			want: `jobs:
+    my_job:
+        runs-on: 'ubuntu-latest'
+        container:
+            image: 'ubuntu:20.04'
+        services:
+            nginx:
+                image: 'nginx:1.21'
+        steps:
+            - uses: 'actions/checkout@v3'
+            - uses: 'docker://ubuntu:20.04'
+              with:
+                uses: '/path/to/user.png'
+                image: '/path/to/image.jpg'
+            - runs: |-
+                echo "Hello 😀"
+    other_job:
+        uses: 'my-org/my-repo/.github/workflows/my-workflow.yml@v0'
+    final_job:
+        uses: './local/path/to/action'
 `,
 		},
 	}