cli/pkg/cmd/repo/sync/git.go

126 lines
2.8 KiB
Go

package sync
import (
"fmt"
"strings"
"github.com/cli/cli/v2/git"
"github.com/cli/cli/v2/pkg/iostreams"
)
type gitClient interface {
BranchRemote(string) (string, error)
CurrentBranch() (string, error)
UpdateBranch(string, string) error
CreateBranch(string, string, string) error
Fetch(string, string) error
HasLocalBranch(string) bool
IsAncestor(string, string) (bool, error)
IsDirty() (bool, error)
MergeFastForward(string) error
ResetHard(string) error
}
type gitExecuter struct {
io *iostreams.IOStreams
}
func (g *gitExecuter) BranchRemote(branch string) (string, error) {
args := []string{"rev-parse", "--symbolic-full-name", "--abbrev-ref", fmt.Sprintf("%s@{u}", branch)}
cmd, err := git.GitCommand(args...)
if err != nil {
return "", err
}
out, err := cmd.Output()
if err != nil {
return "", err
}
parts := strings.SplitN(string(out), "/", 2)
return parts[0], nil
}
func (g *gitExecuter) UpdateBranch(branch, ref string) error {
cmd, err := git.GitCommand("update-ref", fmt.Sprintf("refs/heads/%s", branch), ref)
if err != nil {
return err
}
return cmd.Run()
}
func (g *gitExecuter) CreateBranch(branch, ref, upstream string) error {
cmd, err := git.GitCommand("branch", branch, ref)
if err != nil {
return err
}
if err := cmd.Run(); err != nil {
return err
}
cmd, err = git.GitCommand("branch", "--set-upstream-to", upstream, branch)
if err != nil {
return err
}
return cmd.Run()
}
func (g *gitExecuter) CurrentBranch() (string, error) {
return git.CurrentBranch()
}
func (g *gitExecuter) Fetch(remote, ref string) error {
args := []string{"fetch", "-q", remote, ref}
cmd, err := git.GitCommand(args...)
if err != nil {
return err
}
cmd.Stdin = g.io.In
cmd.Stdout = g.io.Out
cmd.Stderr = g.io.ErrOut
return cmd.Run()
}
func (g *gitExecuter) HasLocalBranch(branch string) bool {
return git.HasLocalBranch(branch)
}
func (g *gitExecuter) IsAncestor(ancestor, progeny string) (bool, error) {
args := []string{"merge-base", "--is-ancestor", ancestor, progeny}
cmd, err := git.GitCommand(args...)
if err != nil {
return false, err
}
err = cmd.Run()
return err == nil, nil
}
func (g *gitExecuter) IsDirty() (bool, error) {
cmd, err := git.GitCommand("status", "--untracked-files=no", "--porcelain")
if err != nil {
return false, err
}
output, err := cmd.Output()
if err != nil {
return true, err
}
if len(output) > 0 {
return true, nil
}
return false, nil
}
func (g *gitExecuter) MergeFastForward(ref string) error {
args := []string{"merge", "--ff-only", "--quiet", ref}
cmd, err := git.GitCommand(args...)
if err != nil {
return err
}
return cmd.Run()
}
func (g *gitExecuter) ResetHard(ref string) error {
args := []string{"reset", "--hard", ref}
cmd, err := git.GitCommand(args...)
if err != nil {
return err
}
return cmd.Run()
}