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package git
import (
"errors"
"gopkg.in/src-d/go-git.v4/config"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/transport"
)
const (
// DefaultRemoteName name of the default Remote, just like git command
DefaultRemoteName = "origin"
)
var (
ErrMissingURL = errors.New("URL field is required")
ErrInvalidRefSpec = errors.New("invalid refspec")
)
// CloneOptions describe how a clone should be perform
type CloneOptions struct {
// The (possibly remote) repository URL to clone from
URL string
// Auth credentials, if required, to uses with the remote repository
Auth transport.AuthMethod
// Name of the remote to be added, by default `origin`
RemoteName string
// Remote branch to clone
ReferenceName plumbing.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 *CloneOptions) Validate() error {
if o.URL == "" {
return ErrMissingURL
}
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = plumbing.HEAD
}
return nil
}
// PullOptions describe how a pull should be perform.
type PullOptions struct {
// Name of the remote to be pulled. If empty, uses the default.
RemoteName string
// Remote branch to clone. If empty, uses HEAD.
ReferenceName plumbing.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 *PullOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = plumbing.HEAD
}
return nil
}
// FetchOptions describe how a fetch should be perform
type FetchOptions struct {
// Name of the remote to fetch from. Defaults to origin.
RemoteName string
RefSpecs []config.RefSpec
// Depth limit fetching to the specified number of commits from the tip of
// each remote branch history.
Depth int
}
// Validate validate the fields and set the default values
func (o *FetchOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
for _, r := range o.RefSpecs {
if !r.IsValid() {
return ErrInvalidRefSpec
}
}
return nil
}
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