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|
package git
import (
"bytes"
"context"
"errors"
"os"
"os/exec"
"strings"
"github.com/ebisu/mugi/internal/remote"
)
const sshEnv = "GIT_SSH_COMMAND=ssh -o StrictHostKeyChecking=accept-new"
func gitEnv() []string {
return append(os.Environ(), sshEnv)
}
type Result struct {
Repo string
Remote string
Output string
Error error
ExitCode int
}
func (r *Result) setError(err error) {
r.Error = err
var exitErr *exec.ExitError
if errors.As(err, &exitErr) {
r.ExitCode = exitErr.ExitCode()
} else {
r.ExitCode = 1
}
if r.Output == "" {
r.Output = err.Error()
}
}
func Execute(ctx context.Context, op remote.Operation, repoPath, remoteName string, force bool) Result {
result := Result{
Repo: repoPath,
Remote: remoteName,
}
args := buildArgs(op, remoteName, repoPath, force)
cmd := exec.CommandContext(ctx, "git", args...)
cmd.Dir = repoPath
cmd.Env = gitEnv()
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
result.Output = strings.TrimSpace(stdout.String() + stderr.String())
if err != nil {
result.setError(err)
}
return result
}
func buildArgs(op remote.Operation, remoteName, repoPath string, force bool) []string {
switch op {
case remote.Pull:
branch := currentBranch(repoPath)
if branch == "" {
branch = "HEAD"
}
return []string{"pull", remoteName, branch}
case remote.Push:
if force {
return []string{"push", "--force", remoteName}
}
return []string{"push", remoteName}
case remote.Fetch:
return []string{"fetch", remoteName}
default:
return nil
}
}
func currentBranch(repoPath string) string {
cmd := exec.Command("git", "rev-parse", "--abbrev-ref", "HEAD")
cmd.Dir = repoPath
out, err := cmd.Output()
if err != nil {
return ""
}
return strings.TrimSpace(string(out))
}
func IsRepo(path string) bool {
cmd := exec.Command("git", "rev-parse", "--git-dir")
cmd.Dir = path
return cmd.Run() == nil
}
func Clone(ctx context.Context, url, path string) Result {
result := Result{
Repo: path,
Remote: "origin",
}
cmd := exec.CommandContext(ctx, "git", "clone", url, path)
cmd.Env = gitEnv()
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
result.Output = strings.TrimSpace(stdout.String() + stderr.String())
if err != nil {
result.setError(err)
}
return result
}
func AddRemote(ctx context.Context, repoPath, name, url string) Result {
result := Result{
Repo: repoPath,
Remote: name,
}
cmd := exec.CommandContext(ctx, "git", "remote", "add", name, url)
cmd.Dir = repoPath
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
result.Output = strings.TrimSpace(stdout.String() + stderr.String())
if err != nil {
result.setError(err)
}
return result
}
func RenameRemote(ctx context.Context, repoPath, oldName, newName string) Result {
result := Result{
Repo: repoPath,
Remote: newName,
}
cmd := exec.CommandContext(ctx, "git", "remote", "rename", oldName, newName)
cmd.Dir = repoPath
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
result.Output = strings.TrimSpace(stdout.String() + stderr.String())
if err != nil {
result.setError(err)
}
return result
}
func HasRemote(repoPath, name string) bool {
cmd := exec.Command("git", "remote", "get-url", name)
cmd.Dir = repoPath
return cmd.Run() == nil
}
func SetRemoteURL(ctx context.Context, repoPath, name, url string) Result {
result := Result{
Repo: repoPath,
Remote: name,
}
cmd := exec.CommandContext(ctx, "git", "remote", "set-url", name, url)
cmd.Dir = repoPath
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
result.Output = strings.TrimSpace(stdout.String() + stderr.String())
if err != nil {
result.setError(err)
}
return result
}
func GetRemoteURL(repoPath, name string) string {
cmd := exec.Command("git", "remote", "get-url", name)
cmd.Dir = repoPath
out, err := cmd.Output()
if err != nil {
return ""
}
return strings.TrimSpace(string(out))
}
|