skip logic

tools/changelog-pr-check/changelog-pr-check.go

@@ -1,12 +1,60 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
 	"os"
+	"strings"
+)
+
+var (
+	skipLabelName = "skip-changelog-check"
+	skipTitles    = []string{"chore", "test", "doc", "ci"} // Dependabot uses chore.
 )
 
 func main() {
-	fmt.Println("PR_TITLE", os.Getenv("PR_TITLE"))
-	fmt.Println("PR_NUMBER", os.Getenv("PR_NUMBER"))
-	fmt.Println("PR_LABELS", os.Getenv("PR_LABELS"))
+	var (
+		title      = os.Getenv("PR_TITLE")
+		number     = os.Getenv("PR_NUMBER")
+		jsonLabels = os.Getenv("PR_LABELS")
+	)
+	if title == "" || number == "" || jsonLabels == "" {
+		panic("Environment variables PR_TITLE, PR_NUMBER and PR_LABELS are required")
+	}
+	var labels []string
+	if err := json.Unmarshal([]byte(jsonLabels), &labels); err != nil {
+		panic(fmt.Sprintf("PR_LABELS is not a stringified JSON array: %v", err))
+	}
+
+	if skipTitle(title) {
+		fmt.Println("Skipping changelog check because PR title")
+		return
+	}
+
+	if skipLabel(labels) {
+		fmt.Printf("Skipping changelog check because PR label found: %s\n", skipLabelName)
+		return
+	}
+
+	fmt.Println("PR_TITLE", title)
+	fmt.Println("PR_NUMBER", number)
+	fmt.Println("PR_LABELS", labels)
+}
+
+func skipTitle(title string) bool {
+	for _, item := range skipTitles {
+		if strings.HasPrefix(title, item+":") {
+			return true
+		}
+	}
+	return false
+}
+
+func skipLabel(labels []string) bool {
+	for _, label := range labels {
+		if label == skipLabelName {
+			return true
+		}
+	}
+	return false
 }