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config.go
57 lines (49 loc) · 1.81 KB
/
config.go
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// Copyright 2016 Palantir 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 legacy
import (
"github.com/palantir/godel/pkg/versionedconfig"
"github.com/pkg/errors"
"gopkg.in/yaml.v2"
"github.com/palantir/godel-okgo-asset-novendor/novendor/config/internal/v0"
)
type Config struct {
versionedconfig.ConfigWithLegacy `yaml:",inline"`
Args []string `yaml:"args"`
}
func UpgradeConfig(cfgBytes []byte) ([]byte, error) {
var legacyCfg Config
if err := yaml.UnmarshalStrict(cfgBytes, &legacyCfg); err != nil {
return nil, errors.Wrapf(err, "failed to unmarshal novendor-asset legacy configuration")
}
if len(legacyCfg.Args) == 0 {
return nil, nil
}
var upgradedCfg v0.Config
if legacyCfg.Args[0] != "--ignore" {
return nil, errors.Errorf(`novendor-asset only supports legacy configuration if the first element in "args" is "--ignore"`)
}
for _, currIgnore := range legacyCfg.Args[1:] {
upgradedCfg.IgnorePkgs = append(upgradedCfg.IgnorePkgs, currIgnore)
}
if len(upgradedCfg.IgnorePkgs) == 0 {
// if "ignore" field is blank, same as having blank config
return nil, nil
}
upgradedCfgBytes, err := yaml.Marshal(upgradedCfg)
if err != nil {
return nil, errors.Wrapf(err, "failed to marshal novendor-asset v0 configuration")
}
return upgradedCfgBytes, nil
}