57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
// +build kube
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/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"fmt"
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"strings"
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)
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func CombineErrors(errors []error) error {
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if len(errors) == 0 {
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return nil
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}
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if len(errors) == 1 {
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return errors[0]
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}
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err := combinedError{}
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for _, e := range errors {
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if c, ok := e.(combinedError); ok {
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err.errors = append(err.errors, c.errors...)
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} else {
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err.errors = append(err.errors, e)
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}
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}
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return combinedError{errors}
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}
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type combinedError struct {
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errors []error
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}
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func (c combinedError) Error() string {
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points := make([]string, len(c.errors))
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for i, err := range c.errors {
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points[i] = fmt.Sprintf("* %s", err.Error())
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}
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return fmt.Sprintf(
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"%d errors occurred:\n\t%s",
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len(c.errors), strings.Join(points, "\n\t"))
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}
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