Method Run

cmd/errtrace/main.go:188–246

(args []string)

}

func (cmd *mainCmd) Run(args []string) (exitCode int) {
	cmd.log = log.New(cmd.Stderr, "", 0)

	if exitCode, ok := cmd.handleToolExec(args); ok {
		return exitCode
	}

	var p mainParams
	if err := p.Parse(cmd.Stderr, args); err != nil {
		if errors.Is(err, flag.ErrHelp) {
			return 0
		}
		cmd.log.Printf("errtrace: %+v", err)
		return 1
	}

	files, err := expandPatterns(p.Patterns)
	if err != nil {
		cmd.log.Printf("errtrace: %+v", err)
		return 1
	}

	// Paths will be printed relative to CWD.
	// Paths outside it will be printed as-is.
	var workDir string
	if wd, err := os.Getwd(); err == nil {
		workDir = wd + string(filepath.Separator)
	}

	for _, file := range files {
		display := file
		if workDir != "" {
			// Not using filepath.Rel
			// because we don't want any ".."s in the path.
			display = strings.TrimPrefix(file, workDir)
		}
		if display == "-" {
			display = "stdin"
		}

		req := fileRequest{
			Format:        p.shouldFormat(),
			Write:         p.Write,
			List:          p.List,
			Filename:      display,
			Filepath:      file,
			ImplicitStdin: p.ImplicitStdin,
			RewriteOpts: rewriteOpts{
				NoWrapN: p.NoWrapN,
			},
		}
		if err := cmd.processFile(req); err != nil {
			cmd.log.Printf("%s:%+v", display, err)
			exitCode = 1
		}
	}

	return exitCode