fix: add cron to workflow struct

hack/actions/gen/main.go

@@ -19,6 +19,9 @@ import (
 type Workflow struct {
 	Name string `yaml:"name"`
 	On   struct {
+		Schedule struct {
+			Cron string `yaml:"cron"`
+		} `yaml:"schedule"`
 		Push struct {
 			Branches []string `yaml:"branches"`
 			Tags     []string `yaml:"tags"`
@@ -72,6 +75,7 @@ type Data struct {
 	StageFiles        []string
 	// TODO: 以下追加分(これでええんか？)
 	Name                   string
+	Cron                   string
 	PushBranches           []string
 	PushTags               []string
 	PullRequestPaths       []string
@@ -278,11 +282,22 @@ func generateWorkflowStruct(data *Data) Workflow {
 	workflow.Jobs.Build.With.Platforms = data.BuildPlatforms
 	workflow.Jobs.Build.Secrets = data.BuildSecrets
 
+	if data.Cron != "" {
+		workflow.On.Schedule.Cron = data.Cron
+	}
+
 	return workflow
 }
 
+func sortedPullRequestPaths(data *Data) []string { // TODO: ContainerTypeごとなどいろいろ条件分岐
+	// イメージをビルドする全ワークフローに共通のパス
+	var pullRequestPaths = []string{"hack/docker/gen/main.go", "hack/actions/gen/main.go", ".github/actions/docker-build/action.yaml", ".github/workflows/_docker-image.yaml"}
+	// TODO: 残りの処理
+	return pullRequestPaths
+}
+
 func initializeData(data *Data) {
-	pullRequestPaths := make([]string, 0) // TODO: ContainerTypeごとなどいろいろ条件分岐
+	pullRequestPaths := sortedPullRequestPaths(data)
 
 	data.PushBranches = []string{"main", "release/v*.*", "!release/v*.*.*"}
 	data.PushTags = []string{"*.*.*", "v*.*.*", "*.*.*-*", "v*.*.*-*"}
@@ -292,6 +307,10 @@ func initializeData(data *Data) {
 	data.BuildTarget = data.Name
 	data.BuildPlatforms = "linux/amd64,linux/arm64" // TODO: ここも分岐必要？？
 	data.BuildSecrets = "inherit"
+
+	if data.AliasImage {
+		data.Cron = ""
+	}
 }
 
 func main() {