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package git
import (
"errors"
"fmt"
"gopkg.in/src-d/go-git.v3/clients/common"
"gopkg.in/src-d/go-git.v4/config"
"gopkg.in/src-d/go-git.v4/core"
)
const (
// DefaultRemoteName name of the default Remote, just like git command
DefaultRemoteName = "origin"
DefaultSingleBranchRefSpec = "+refs/heads/%s:refs/remotes/%s/%[1]s"
DefaultRefSpec = "+refs/heads/*:refs/remotes/%s/*"
)
var (
ErrMissingURL = errors.New("URL field is required")
ErrInvalidRefSpec = errors.New("invalid refspec")
)
// RepositoryCloneOptions describe how a clone should be perform
type RepositoryCloneOptions struct {
// The (possibly remote) repository URL to clone from
URL string
// Auth credentials, if required, to uses with the remote repository
Auth common.AuthMethod
// Name of the remote to be added, by default `origin`
RemoteName string
// Remote branch to clone
ReferenceName core.ReferenceName
// Fetch only ReferenceName if true
SingleBranch bool
// Limit fetching to the specified number of commits
Depth int
}
// Validate validate the fields and set the default values
func (o *RepositoryCloneOptions) Validate() error {
if o.URL == "" {
return ErrMissingURL
}
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = core.HEAD
}
return nil
}
func (o *RepositoryCloneOptions) refSpec(s core.ReferenceStorage) (config.RefSpec, error) {
var spec string
if o.SingleBranch {
head, err := core.ResolveReference(s, o.ReferenceName)
if err != nil {
return "", err
}
spec = fmt.Sprintf(DefaultSingleBranchRefSpec, head.Name().Short(), o.RemoteName)
} else {
spec = fmt.Sprintf(DefaultRefSpec, o.RemoteName)
}
return config.RefSpec(spec), nil
}
// RepositoryPullOptions describe how a pull should be perform
type RepositoryPullOptions struct {
// Name of the remote to be pulled
RemoteName string
// Remote branch to clone
ReferenceName core.ReferenceName
// Fetch only ReferenceName if true
SingleBranch bool
// Limit fetching to the specified number of commits
Depth int
}
// Validate validate the fields and set the default values
func (o *RepositoryPullOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = core.HEAD
}
return nil
}
// RemoteFetchOptions describe how a fetch should be perform
type RemoteFetchOptions struct {
RefSpec config.RefSpec
Depth int
}
// Validate validate the fields and set the default values
func (o *RemoteFetchOptions) Validate() error {
if !o.RefSpec.IsValid() {
return ErrInvalidRefSpec
}
return nil
}
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