vendor: add qingstor-sdk-go for QingStor

vendor/github.com/pengsrc/go-shared/check/error.go

@@ -0,0 +1,21 @@
+package check
+
+import (
+	"fmt"
+	"os"
+)
+
+// ErrorForExit check the error.
+// If error is not nil, print the error message and exit the application.
+// If error is nil, do nothing.
+func ErrorForExit(name string, err error, code ...int) {
+	if err != nil {
+		exitCode := 1
+		if len(code) > 0 {
+			exitCode = code[0]
+		}
+		fmt.Fprintf(os.Stderr, "%s: %s (%d)\n", name, err.Error(), exitCode)
+		fmt.Fprintf(os.Stderr, "See \"%s --help\".\n", name)
+		os.Exit(exitCode)
+	}
+}