Adding proper error handling.

cmd/obp/cmd/validate.go

@@ -31,10 +31,10 @@ var validateCmd = &cobra.Command{
 		}
 		return nil
 	},
-	Run: func(cmd *cobra.Command, args []string) {
+	RunE: func(cmd *cobra.Command, args []string) error {
 		schema := cmd.Flag("schema").Value.String()
 		target := cmd.Flag("target").Value.String()
-		obp.Validate(schema, target)
+		return obp.Validate(schema, target)
 	},
 }
 

validate.go

@@ -2,7 +2,6 @@ package obp
 
 import (
 	"fmt"
-	"log"
 	"os"
 
 	"github.com/santhosh-tekuri/jsonschema/v5"
@@ -15,23 +14,22 @@ func Validate(schemaURL, filename string) error {
 
 	target, err := os.Open(filename)
 	if err != nil {
-		log.Fatalf("could not open target file: %s\n", err)
+		return fmt.Errorf("could not open target file: %w", err)
 	}
 	dec := yaml.NewDecoder(target)
 	err = dec.Decode(&m)
 	if err != nil {
-		log.Fatalf("error decoding YAML: %s\n", err)
+		return fmt.Errorf("error decoding YAML: %w", err)
 	}
 
 	compiler := jsonschema.NewCompiler()
 	schema, err := compiler.Compile(schemaURL)
 	if err != nil {
-		log.Fatalf("error compiling schema: %s\n", err)
+		return fmt.Errorf("error compiling schema: %w", err)
 	}
 	if err := schema.Validate(m); err != nil {
-		log.Fatalf("error validating: %#v\n", err)
+		return fmt.Errorf("error validating target %q: %w", filename, err)
 	}
-	fmt.Println("validation successfull")
 
 	return nil
 }