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package config
import (
"errors"
"gopkg.in/src-d/go-git.v4/plumbing"
format "gopkg.in/src-d/go-git.v4/plumbing/format/config"
)
var (
errBranchEmptyName = errors.New("branch config: empty name")
errBranchInvalidMerge = errors.New("branch config: invalid merge")
)
// Branch contains information on the
// local branches and which remote to track
type Branch struct {
// Name of branch
Name string
// Remote name of remote to track
Remote string
// Merge is the local refspec for the branch
Merge plumbing.ReferenceName
raw *format.Subsection
}
// Validate validates fields of branch
func (b *Branch) Validate() error {
if b.Name == "" {
return errBranchEmptyName
}
if b.Merge != "" && !b.Merge.IsBranch() {
return errBranchInvalidMerge
}
return nil
}
func (b *Branch) marshal() *format.Subsection {
if b.raw == nil {
b.raw = &format.Subsection{}
}
b.raw.Name = b.Name
if b.Remote == "" {
b.raw.RemoveOption(remoteSection)
} else {
b.raw.SetOption(remoteSection, b.Remote)
}
if b.Merge == "" {
b.raw.RemoveOption(mergeKey)
} else {
b.raw.SetOption(mergeKey, string(b.Merge))
}
return b.raw
}
func (b *Branch) unmarshal(s *format.Subsection) error {
b.raw = s
b.Name = b.raw.Name
b.Remote = b.raw.Options.Get(remoteSection)
b.Merge = plumbing.ReferenceName(b.raw.Options.Get(mergeKey))
return b.Validate()
}
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