Files
beads/internal/daemonrunner/git.go

121 lines
3.4 KiB
Go

package daemonrunner
import (
"context"
"fmt"
"os/exec"
"strings"
"time"
)
// GitClient provides an interface for git operations to enable testing
type GitClient interface {
HasUpstream() bool
HasChanges(ctx context.Context, filePath string) (bool, error)
Commit(ctx context.Context, filePath string, message string) error
Push(ctx context.Context) error
Pull(ctx context.Context) error
}
// DefaultGitClient implements GitClient using os/exec
type DefaultGitClient struct{}
// NewGitClient creates a new default git client
func NewGitClient() GitClient {
return &DefaultGitClient{}
}
// HasUpstream checks if the current branch has an upstream configured
func (g *DefaultGitClient) HasUpstream() bool {
return gitHasUpstream()
}
// HasChanges checks if the specified file has uncommitted changes
func (g *DefaultGitClient) HasChanges(ctx context.Context, filePath string) (bool, error) {
return gitHasChanges(ctx, filePath)
}
// Commit commits the specified file
func (g *DefaultGitClient) Commit(ctx context.Context, filePath string, message string) error {
return gitCommit(ctx, filePath, message)
}
// Push pushes to the current branch's upstream
func (g *DefaultGitClient) Push(ctx context.Context) error {
return gitPush(ctx)
}
// Pull pulls from the current branch's upstream
func (g *DefaultGitClient) Pull(ctx context.Context) error {
return gitPull(ctx)
}
// isGitRepo checks if we're in a git repository
func isGitRepo() bool {
cmd := exec.Command("git", "rev-parse", "--git-dir")
return cmd.Run() == nil
}
// gitHasUpstream checks if the current branch has an upstream configured
func gitHasUpstream() bool {
cmd := exec.Command("git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}")
return cmd.Run() == nil
}
// gitHasChanges checks if the specified file has uncommitted changes
func gitHasChanges(ctx context.Context, filePath string) (bool, error) {
cmd := exec.CommandContext(ctx, "git", "status", "--porcelain", filePath)
output, err := cmd.Output()
if err != nil {
return false, fmt.Errorf("git status failed: %w", err)
}
return len(strings.TrimSpace(string(output))) > 0, nil
}
// gitCommit commits the specified file
func gitCommit(ctx context.Context, filePath string, message string) error {
// Stage the file
addCmd := exec.CommandContext(ctx, "git", "add", filePath)
if err := addCmd.Run(); err != nil {
return fmt.Errorf("git add failed: %w", err)
}
// Generate message if not provided
if message == "" {
message = fmt.Sprintf("bd sync: %s", time.Now().Format("2006-01-02 15:04:05"))
}
// Commit
commitCmd := exec.CommandContext(ctx, "git", "commit", "-m", message)
output, err := commitCmd.CombinedOutput()
if err != nil {
// Treat "nothing to commit" as success (idempotent)
if strings.Contains(strings.ToLower(string(output)), "nothing to commit") {
return nil
}
return fmt.Errorf("git commit failed: %w\n%s", err, output)
}
return nil
}
// gitPull pulls from the current branch's upstream
func gitPull(ctx context.Context) error {
cmd := exec.CommandContext(ctx, "git", "pull", "--ff-only")
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("git pull failed: %w\n%s", err, output)
}
return nil
}
// gitPush pushes to the current branch's upstream
func gitPush(ctx context.Context) error {
cmd := exec.CommandContext(ctx, "git", "push")
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("git push failed: %w\n%s", err, output)
}
return nil
}