Measure descriptiveness by characters (80) instead of lines (2)

Signed-off-by: Adrian Orive <adrian.orive.oneca@gmail.com>

verify/descriptiveness.go

@@ -17,8 +17,6 @@ limitations under the License.
 package main
 
 import (
-	"strings"
-
 	"github.com/google/go-github/v32/github"
 
 	"sigs.k8s.io/kubebuilder-release-tools/verify/pkg/action"
@@ -36,16 +34,9 @@ Someone reading the PR description without clicking any issue links should be ab
 }
 
 // checkPRDescriptiveness
-func checkPRDescriptiveness(requiredLines int) action.ValidateFunc {
+func checkPRDescriptiveness(requiredCharacters int) action.ValidateFunc {
 	return func(pr *github.PullRequest) (string, string, error) {
-		lineCnt := 0
-		for _, line := range strings.Split(pr.GetBody(), "\n") {
-			if strings.TrimSpace(line) == "" {
-				continue
-			}
-			lineCnt++
-		}
-		if lineCnt < requiredLines {
+		if len(pr.GetBody()) < requiredCharacters {
 			return "", "", &prDescriptivenessError{}
 		}
 		return "Your PR looks descriptive enough!", "", nil

verify/main.go

@@ -35,7 +35,7 @@ func main() {
 		action.NewPlugin(
 			"PR Desc",
 			"Basic PR Descriptiveness Check",
-			checkPRDescriptiveness(2),
+			checkPRDescriptiveness(80),
 		),
 	).Run()
 }