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repo.go
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repo.go
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package pork
import (
"fmt"
"path/filepath"
"strings"
"gopkg.in/src-d/go-git.v4/config"
"gopkg.in/src-d/go-git.v4/plumbing"
git "gopkg.in/src-d/go-git.v4"
)
// GHRepo is a struct that hold github repo info
type GHRepo struct {
RepoDir string
owner string
project string
repo *git.Repository
}
// NewGHRepo is GHRepo factory function
func NewGHRepo(repo string) (*GHRepo, error) {
values := strings.Split(repo, "/")
if len(values) != 2 {
return nil, fmt.Errorf("repo must in this format owner/project")
}
return &GHRepo{
owner: values[0],
project: values[1],
}, nil
}
// RepoURL will generate github repo clone url
func (g *GHRepo) RepoURL() string {
return fmt.Sprintf("https://github.com/%s/%s.git", g.owner, g.project)
}
// Clone will clone the github repo
func (g *GHRepo) Clone(dest string) error {
fullPath := filepath.Join(dest, fmt.Sprintf("%s-%s", g.owner, g.project))
repo, err := git.PlainClone(fullPath, false, &git.CloneOptions{
URL: g.RepoURL(),
})
if err != nil {
return err
}
g.repo = repo
g.RepoDir = fullPath
return nil
}
// Checkout can create branch or just check to existence branch
func (g *GHRepo) Checkout(ref string, create bool) error {
opts := &git.CheckoutOptions{
Branch: plumbing.NewBranchReferenceName(fmt.Sprintf("refs/heads/%s", ref)),
Create: create,
}
if create {
head, err := g.repo.Head()
if err != nil {
return err
}
opts.Hash = head.Hash()
}
workTree, err := g.repo.Worktree()
if err != nil {
return err
}
return workTree.Checkout(opts)
}
// AddUpstream will create upstream for github repo
func (g *GHRepo) AddUpstream(githubRepo *GHRepo) error {
_, err := g.repo.CreateRemote(&config.RemoteConfig{
Name: "upstream",
URLs: []string{githubRepo.RepoURL()},
})
return err
}