Monorepo for Tangled
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1.9 kB · 83 lines
Go
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import ( "bytes" "fmt" "io" "os/exec" "strings" "syscall")
const ( fieldSeparator = "\x1f" // ASCII Unit Separator recordSeparator = "\x1e" // ASCII Record Separator)
func (g *GitRepo) runGitCmd(command string, extraArgs ...string) ([]byte, error) { var args []string args = append(args, command) args = append(args, extraArgs...)
cmd := exec.Command("git", args...)
if g.sandbox != nil { var wrapErr error cmd, wrapErr = g.sandbox.Wrap(g.path, cmd) if wrapErr != nil { return nil, fmt.Errorf("sandbox wrap: %w", wrapErr) } } else { cmd.Dir = g.path }
if cmd.SysProcAttr == nil { cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true} }
out, err := cmd.Output() if err != nil { if exitErr, ok := err.(*exec.ExitError); ok { return nil, fmt.Errorf("%w, stderr: %s", err, string(exitErr.Stderr)) } return nil, err }
return out, nil}
func (g *GitRepo) revList(extraArgs ...string) ([]byte, error) { return g.runGitCmd("rev-list", extraArgs...)}
func (g *GitRepo) forEachRef(extraArgs ...string) ([]byte, error) { return g.runGitCmd("for-each-ref", extraArgs...)}
func (g *GitRepo) revParse(extraArgs ...string) ([]byte, error) { return g.runGitCmd("rev-parse", extraArgs...)}
func (g *GitRepo) mergeBase(extraArgs ...string) ([]byte, error) { return g.runGitCmd("merge-base", extraArgs...)}
func (g *GitRepo) WriteArchive(w io.Writer, format string, prefix string) error { args := []string{"archive", "--format=" + format} if prefix != "" { args = append(args, "--prefix="+strings.TrimRight(prefix, "/")+"/") } args = append(args, g.h.String())
cmd := exec.Command("git", args...) cmd.Dir = g.path cmd.Stdout = w stderr := new(bytes.Buffer) cmd.Stderr = stderr
if err := cmd.Run(); err != nil { return fmt.Errorf("%w, stderr: %s", err, stderr.String()) }
return nil}