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package repository
import (
"fmt"
"strconv"
"strings"
"time"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/config"
)
var _ Config = &goGitConfig{}
type goGitConfig struct {
ConfigRead
ConfigWrite
}
func newGoGitLocalConfig(repo *gogit.Repository) *goGitConfig {
return &goGitConfig{
ConfigRead: &goGitConfigReader{getConfig: repo.Config},
ConfigWrite: &goGitConfigWriter{repo: repo},
}
}
func newGoGitGlobalConfig() *goGitConfig {
// TODO: replace that with go-git native implementation once it's supported
// see: https://github.com/go-git/go-git
// see: https://github.com/src-d/go-git/issues/760
return &goGitConfig{
ConfigRead: &goGitConfigReader{getConfig: func() (*config.Config, error) {
return config.LoadConfig(config.GlobalScope)
}},
ConfigWrite: &configPanicWriter{},
}
}
var _ ConfigRead = &goGitConfigReader{}
type goGitConfigReader struct {
getConfig func() (*config.Config, error)
}
func (cr *goGitConfigReader) ReadAll(keyPrefix string) (map[string]string, error) {
cfg, err := cr.getConfig()
if err != nil {
return nil, err
}
split := strings.Split(keyPrefix, ".")
result := make(map[string]string)
switch {
case keyPrefix == "":
for _, section := range cfg.Raw.Sections {
for _, option := range section.Options {
result[fmt.Sprintf("%s.%s", section.Name, option.Key)] = option.Value
}
for _, subsection := range section.Subsections {
for _, option := range subsection.Options {
result[fmt.Sprintf("%s.%s.%s", section.Name, subsection.Name, option.Key)] = option.Value
}
}
}
case len(split) == 1:
if !cfg.Raw.HasSection(split[0]) {
return nil, nil
}
section := cfg.Raw.Section(split[0])
for _, option := range section.Options {
result[fmt.Sprintf("%s.%s", section.Name, option.Key)] = option.Value
}
for _, subsection := range section.Subsections {
for _, option := range subsection.Options {
result[fmt.Sprintf("%s.%s.%s", section.Name, subsection.Name, option.Key)] = option.Value
}
}
default:
if !cfg.Raw.HasSection(split[0]) {
return nil, nil
}
section := cfg.Raw.Section(split[0])
rest := strings.Join(split[1:], ".")
rest = strings.TrimSuffix(rest, ".")
for _, subsection := range section.Subsections {
if strings.HasPrefix(subsection.Name, rest) {
for _, option := range subsection.Options {
result[fmt.Sprintf("%s.%s.%s", section.Name, subsection.Name, option.Key)] = option.Value
}
}
}
}
return result, nil
}
func (cr *goGitConfigReader) ReadBool(key string) (bool, error) {
val, err := cr.ReadString(key)
if err != nil {
return false, err
}
return strconv.ParseBool(val)
}
func (cr *goGitConfigReader) ReadString(key string) (string, error) {
cfg, err := cr.getConfig()
if err != nil {
return "", err
}
split := strings.Split(key, ".")
if len(split) <= 1 {
return "", fmt.Errorf("invalid key")
}
sectionName := split[0]
if !cfg.Raw.HasSection(sectionName) {
return "", fmt.Errorf("%w: missing key %s", ErrNoConfigEntry, key)
}
section := cfg.Raw.Section(sectionName)
switch {
case len(split) == 2:
optionName := split[1]
if !section.HasOption(optionName) {
return "", fmt.Errorf("%w: missing key %s", ErrNoConfigEntry, key)
}
if len(section.OptionAll(optionName)) > 1 {
return "", fmt.Errorf("%w: duplicated key %s", ErrMultipleConfigEntry, key)
}
return section.Option(optionName), nil
default:
subsectionName := strings.Join(split[1:len(split)-1], ".")
optionName := split[len(split)-1]
if !section.HasSubsection(subsectionName) {
return "", fmt.Errorf("%w: missing key %s", ErrNoConfigEntry, key)
}
subsection := section.Subsection(subsectionName)
if !subsection.HasOption(optionName) {
return "", fmt.Errorf("%w: missing key %s", ErrNoConfigEntry, key)
}
if len(subsection.OptionAll(optionName)) > 1 {
return "", fmt.Errorf("%w: duplicated key %s", ErrMultipleConfigEntry, key)
}
return subsection.Option(optionName), nil
}
}
func (cr *goGitConfigReader) ReadTimestamp(key string) (time.Time, error) {
value, err := cr.ReadString(key)
if err != nil {
return time.Time{}, err
}
return ParseTimestamp(value)
}
var _ ConfigWrite = &goGitConfigWriter{}
// Only works for the local config as go-git only support that
type goGitConfigWriter struct {
repo *gogit.Repository
}
func (cw *goGitConfigWriter) StoreString(key, value string) error {
cfg, err := cw.repo.Config()
if err != nil {
return err
}
split := strings.Split(key, ".")
switch {
case len(split) <= 1:
return fmt.Errorf("invalid key")
case len(split) == 2:
cfg.Raw.Section(split[0]).SetOption(split[1], value)
default:
section := split[0]
subsection := strings.Join(split[1:len(split)-1], ".")
option := split[len(split)-1]
cfg.Raw.Section(section).Subsection(subsection).SetOption(option, value)
}
return cw.repo.SetConfig(cfg)
}
func (cw *goGitConfigWriter) StoreTimestamp(key string, value time.Time) error {
return cw.StoreString(key, strconv.Itoa(int(value.Unix())))
}
func (cw *goGitConfigWriter) StoreBool(key string, value bool) error {
return cw.StoreString(key, strconv.FormatBool(value))
}
func (cw *goGitConfigWriter) RemoveAll(keyPrefix string) error {
cfg, err := cw.repo.Config()
if err != nil {
return err
}
split := strings.Split(keyPrefix, ".")
switch {
case keyPrefix == "":
cfg.Raw.Sections = nil
// warning: this does not actually remove everything as go-git config hold
// some entries in multiple places (cfg.User ...)
case len(split) == 1:
if cfg.Raw.HasSection(split[0]) {
cfg.Raw.RemoveSection(split[0])
} else {
return fmt.Errorf("invalid key prefix")
}
default:
if !cfg.Raw.HasSection(split[0]) {
return fmt.Errorf("invalid key prefix")
}
section := cfg.Raw.Section(split[0])
rest := strings.Join(split[1:], ".")
ok := false
if section.HasSubsection(rest) {
section.RemoveSubsection(rest)
ok = true
}
if section.HasOption(rest) {
section.RemoveOption(rest)
ok = true
}
if !ok {
return fmt.Errorf("invalid key prefix")
}
}
return cw.repo.SetConfig(cfg)
}
|
