mirror of
https://github.com/woodpecker-ci/woodpecker.git
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61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
// Copyright 2023 Woodpecker Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package base
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import (
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"errors"
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"fmt"
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)
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// StringOrSlice represents a string or an array of strings.
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// We need to override the yaml decoder to accept both options.
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type StringOrSlice []string
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// UnmarshalYAML implements the Unmarshaler interface.
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func (s *StringOrSlice) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var stringType string
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if err := unmarshal(&stringType); err == nil {
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*s = []string{stringType}
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return nil
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}
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var sliceType []interface{}
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if err := unmarshal(&sliceType); err == nil {
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parts, err := toStrings(sliceType)
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if err != nil {
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return err
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}
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*s = parts
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return nil
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}
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return errors.New("Failed to unmarshal StringOrSlice")
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}
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func toStrings(s []interface{}) ([]string, error) {
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if len(s) == 0 {
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return nil, nil
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}
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r := make([]string, len(s))
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for k, v := range s {
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if sv, ok := v.(string); ok {
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r[k] = sv
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} else {
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return nil, fmt.Errorf("Cannot unmarshal '%v' of type %T into a string value", v, v)
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}
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}
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return r, nil
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}
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