| package git |
| |
| /* |
| Thin wrapper around a local Git repo. |
| */ |
| |
| import ( |
| "context" |
| "fmt" |
| "time" |
| |
| "go.skia.org/infra/go/exec" |
| "go.skia.org/infra/go/sklog" |
| ) |
| |
| // Repo is a struct used for managing a local git repo. |
| type Repo struct { |
| GitDir |
| } |
| |
| // NewRepo returns a Repo instance based in the given working directory. Uses |
| // any existing repo in the given directory, or clones one if necessary. Only |
| // creates bare clones; Repo does not maintain a checkout. |
| func NewRepo(ctx context.Context, repoUrl, workdir string) (*Repo, error) { |
| g, err := newGitDir(ctx, repoUrl, workdir, true) |
| if err != nil { |
| return nil, err |
| } |
| return &Repo{g}, nil |
| } |
| |
| // Update syncs the Repo from its remote. |
| func (r *Repo) Update(ctx context.Context) error { |
| cmd := &exec.Command{ |
| Name: "git", |
| Args: []string{"fetch", "--force", "--all", "--prune"}, |
| Dir: r.Dir(), |
| Timeout: 2 * time.Minute, |
| } |
| out, err := exec.RunCommand(ctx, cmd) |
| if err != nil { |
| return fmt.Errorf("Failed to update Repo: %s; output:\n%s", err, out) |
| } |
| sklog.Debugf("DEBUG: output of 'git fetch':\n%s", out) |
| return nil |
| } |
| |
| // Checkout returns a Checkout of the Repo in the given working directory. |
| func (r *Repo) Checkout(ctx context.Context, workdir string) (*Checkout, error) { |
| return NewCheckout(ctx, r.Dir(), workdir) |
| } |
| |
| // TempCheckout returns a TempCheckout of the repo. |
| func (r *Repo) TempCheckout(ctx context.Context) (*TempCheckout, error) { |
| return NewTempCheckout(ctx, r.Dir()) |
| } |