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b9781ce50c
* artifactPrepareVersioning: support more buildTools
79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package versioning
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/pkg/errors"
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)
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// JSONfile defines an artifact using a json file for versioning
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type JSONfile struct {
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path string
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content map[string]interface{}
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versionField string
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readFile func(string) ([]byte, error)
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writeFile func(string, []byte, os.FileMode) error
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}
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func (j *JSONfile) init() {
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if len(j.versionField) == 0 {
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j.versionField = "version"
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}
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if j.readFile == nil {
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j.readFile = ioutil.ReadFile
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}
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if j.writeFile == nil {
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j.writeFile = ioutil.WriteFile
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}
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}
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// VersioningScheme returns the relevant versioning scheme
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func (j *JSONfile) VersioningScheme() string {
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return "semver2"
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}
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// GetVersion returns the current version of the artifact with a JSON-based build descriptor
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func (j *JSONfile) GetVersion() (string, error) {
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j.init()
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content, err := j.readFile(j.path)
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if err != nil {
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return "", errors.Wrapf(err, "failed to read file '%v'", j.path)
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}
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err = json.Unmarshal(content, &j.content)
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if err != nil {
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return "", errors.Wrapf(err, "failed to read json content of file '%v'", j.content)
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}
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return fmt.Sprint(j.content[j.versionField]), nil
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}
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// SetVersion updates the version of the artifact with a JSON-based build descriptor
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func (j *JSONfile) SetVersion(version string) error {
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j.init()
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if j.content == nil {
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_, err := j.GetVersion()
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if err != nil {
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return err
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}
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}
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j.content[j.versionField] = version
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content, err := json.MarshalIndent(j.content, "", " ")
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if err != nil {
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return errors.Wrapf(err, "failed to create json content for '%v'", j.path)
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}
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err = j.writeFile(j.path, content, 0700)
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if err != nil {
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return errors.Wrapf(err, "failed to write file '%v'", j.path)
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}
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return nil
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}
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