feat: enhance error handling with JobError struct and update extractor logic

cmd/go_migrate/job-error-handler.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type JobError struct {
+	ShouldCancelJob bool
+	Msg             string
+	Prev            error
+}
+
+func (e *JobError) Error() string {
+	if e.Prev != nil {
+		return fmt.Sprintf("%s: %v", e.Msg, e.Prev)
+	}
+	
+	return e.Msg
+}
+
+func jobErrorHandler(chErrorsIn <-chan JobError) error {
+	for err := range chErrorsIn {
+		if err.ShouldCancelJob {
+			return &err
+		}
+
+		log.Error(err)
+	}
+
+	return nil
+}