github.com/drone/go-convert@v0.0.0-20240307072510-6bd371c65e61/convert/gitlab/yaml/rules.go (about)

     1  // Copyright 2022 Harness, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package yaml
    16  
    17  import "errors"
    18  
    19  type Rule struct {
    20  	If            string            `yaml:"if,omitempty"`
    21  	Changes       Change            `yaml:"changes,omitempty"`
    22  	Exists        []string          `yaml:"exists,omitempty"`
    23  	AllowFailures bool              `yaml:"allow_failure,omitempty"`
    24  	Variables     map[string]string `yaml:"variables,omitempty"`
    25  	When          string            `yaml:"when,omitempty"`
    26  	Needs         []string          `yaml:"needs,omitempty"`
    27  }
    28  
    29  type Change struct {
    30  	Paths     []string `yaml:"paths"`
    31  	CompareTo string   `yaml:"compare_to,omitempty"`
    32  }
    33  
    34  func (v *Change) UnmarshalYAML(unmarshal func(interface{}) error) error {
    35  	var out1 []string
    36  	var out2 string
    37  	var out3 = struct {
    38  		Paths     []string `yaml:"paths"`
    39  		CompareTo string   `yaml:"compare_to,omitempty"`
    40  	}{}
    41  
    42  	if err := unmarshal(&out1); err == nil {
    43  		v.Paths = out1
    44  		return nil
    45  	}
    46  
    47  	if err := unmarshal(&out2); err == nil {
    48  		v.Paths = []string{out2}
    49  		return nil
    50  	}
    51  
    52  	if err := unmarshal(&out3); err == nil {
    53  		v.Paths = out3.Paths
    54  		v.CompareTo = out3.CompareTo
    55  		return nil
    56  	}
    57  
    58  	return errors.New("failed to unmarshal rules:changes")
    59  }
    60  
    61  func (v *Change) MarshalYAML() (interface{}, error) {
    62  	if v.CompareTo != "" {
    63  		return map[string]interface{}{
    64  			"paths":      v.Paths,
    65  			"compare_to": v.CompareTo,
    66  		}, nil
    67  	}
    68  	return v.Paths, nil
    69  }