[yamllint-fixer] Fix yamllint indentation warnings in workflow_call on: sections

pkg/workflow/compiler_workflow_call.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"github.com/github/gh-aw/pkg/logger"
+	"github.com/github/gh-aw/pkg/parser"
 	"github.com/goccy/go-yaml"
 )
 
@@ -162,15 +163,16 @@ func (c *Compiler) injectWorkflowCallOutputs(onSection string, safeOutputs *Safe
 	workflowCallMap["outputs"] = mergedOutputs
 	onMap["workflow_call"] = workflowCallMap
 
-	// Re-marshal to YAML
+	// Re-marshal to YAML. IndentSequence(true) matches extractTopLevelYAMLSection so
+	// sequence items (e.g. schedule cron lists) stay indented under their parent key.
 	newOnData := map[string]any{"on": onMap}
-	newYAML, err := yaml.Marshal(newOnData)
+	newYAML, err := yaml.MarshalWithOptions(newOnData, yaml.IndentSequence(true))
 	if err != nil {
 		workflowCallLog.Printf("Warning: failed to marshal on section with workflow_call outputs: %v", err)
 		return onSection
 	}
 
-	return strings.TrimSuffix(string(newYAML), "\n")
+	return finalizeWorkflowCallOnSection(newYAML)
 }
 
 // buildWorkflowCallOutputsMap constructs the outputs map for on.workflow_call.outputs
@@ -343,11 +345,18 @@ func injectWorkflowCallSecretsSection(onSection string, secrets []string) string
 
 	// Re-marshal to YAML.
 	newOnData := map[string]any{"on": onMap}
-	newYAML, err := yaml.Marshal(newOnData)
+	newYAML, err := yaml.MarshalWithOptions(newOnData, yaml.IndentSequence(true))
 	if err != nil {
 		workflowCallLog.Printf("Warning: failed to marshal on section with workflow_call secrets: %v", err)
 		return onSection
 	}
 
-	return strings.TrimSuffix(string(newYAML), "\n")
+	return finalizeWorkflowCallOnSection(newYAML)
+}
+
+// finalizeWorkflowCallOnSection post-processes a re-marshaled on: section so it matches
+// the formatting produced by extractTopLevelYAMLSection. The YAML library drops quotes
+// from cron expressions such as "0 0 */2 * *", so they are re-quoted here.
+func finalizeWorkflowCallOnSection(marshaled []byte) string {
+	return strings.TrimSuffix(parser.QuoteCronExpressions(string(marshaled)), "\n")
 }

pkg/workflow/compiler_workflow_call_test.go

@@ -138,6 +138,23 @@ func TestInjectWorkflowCallOutputs(t *testing.T) {
 			},
 			expectUnchanged: true,
 		},
+		{
+			name: "schedule sequence stays indented and cron stays quoted",
+			onSection: `"on":
+  schedule:
+    - cron: "0 0 */2 * *"
+  workflow_call:`,
+			safeOutputs: &SafeOutputsConfig{
+				CreateIssues: &CreateIssuesConfig{},
+			},
+			expectContains: []string{
+				"  schedule:\n    - cron: \"0 0 */2 * *\"",
+			},
+			expectAbsent: []string{
+				"  schedule:\n  - cron:",
+				"- cron: 0 0",
+			},
+		},
 		{
 			name: "user-defined outputs are preserved when merged",
 			onSection: `"on":
@@ -421,6 +438,16 @@ func TestInjectWorkflowCallSecretsSection(t *testing.T) {
 			secrets:     []string{"AUTO_SECRET"},
 			wantContain: []string{"USER_SECRET", "AUTO_SECRET"},
 		},
+		{
+			name: "schedule sequence stays indented and cron stays quoted",
+			onSection: `"on":
+  schedule:
+    - cron: "0 0 */2 * *"
+  workflow_call: {}`,
+			secrets:     []string{"MY_TOKEN"},
+			wantContain: []string{"MY_TOKEN", "  schedule:\n    - cron: \"0 0 */2 * *\""},
+			wantAbsent:  []string{"  schedule:\n  - cron:", "- cron: 0 0"},
+		},
 		{
 			name:        "handles string shorthand on: workflow_call",
 			onSection:   `"on": workflow_call`,