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app_error.go
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/
app_error.go
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// Copyright 2020-2022 Buf Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package app
import (
"fmt"
)
type appError struct {
exitCode int
message string
}
func newAppError(exitCode int, message string) *appError {
if exitCode == 0 {
message = fmt.Sprintf(
"got invalid exit code %d when constructing error (original message was %q)",
exitCode,
message,
)
exitCode = 1
}
return &appError{
exitCode: exitCode,
message: message,
}
}
func (e *appError) Error() string {
return e.message
}
func printError(container StderrContainer, err error) {
if errString := err.Error(); errString != "" {
_, _ = fmt.Fprintln(container.Stderr(), errString)
}
}