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path: root/doGenerate.go
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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

import (
	"errors"
	"fmt"
	"os"
	"path/filepath"
	"strings"

	"go.wit.com/lib/gui/shell"
	"go.wit.com/lib/protobuf/gitpb"
	"go.wit.com/log"
)

func safeRun(repo *gitpb.Repo, cmd []string) error {
	if argv.Verbose {
		_, err := shell.RunVerbose(cmd)
		if err != nil {
			return err
		}
	} else {
		log.Info("Running:", cmd)
		r := shell.Run(cmd)
		if r.Error != nil {
			return r.Error
		}
	}
	return nil
}

func smartAutogen(repo *gitpb.Repo) error {
	os.Chdir(repo.FullPath)

	globPattern := "*.proto"
	files, err := filepath.Glob(globPattern)
	if err != nil {
		log.Info("glob error", err, files)
		return err
	}
	for _, filename := range files {
		cmd := []string{"autogenpb", "--proto", filename}
		err := safeRun(repo, cmd)
		if err != nil {
			return err
		}
	}
	return nil
}

func smartAutogenClean(repo *gitpb.Repo) error {
	os.Chdir(repo.FullPath)

	globPattern := "*.pb.go"
	files, err := filepath.Glob(globPattern)
	if err != nil {
		log.Info("glob error", err, files)
		return err
	}
	cmd := []string{"rm"}
	cmd = append(cmd, files...)
	err = safeRun(repo, cmd)
	if err != nil {
		return err
	}
	return nil
}

// so don't delete them
func doGenerate() (string, error) {
	// var s string
	// var err error

	pfile, _ := resources.ReadFile("resources/generate")
	for _, namespace := range strings.Split(string(pfile), "\n") {
		namespace = strings.TrimSpace(namespace)
		if namespace == "" {
			continue
		}
		if strings.HasPrefix(namespace, "#") {
			continue
		}

		// helps run 'go generate' in a particular repo
		found := me.forge.Repos.FindByNamespace(namespace)
		if found == nil {
			if argv.Generate.Strict {
				return "", fmt.Errorf("unknown namespace %s", namespace)
			}
			log.Info("missing namespace:", namespace)
			continue
		}
		log.Info("Repo found:", found.FullPath)
		if argv.Generate.Make != nil {
			err := smartAutogen(found)
			if err != nil {
				return "autogen failed: " + namespace, err
			}
		} else if argv.Generate.Clean != nil {
			err := smartAutogenClean(found)
			if err != nil {
				return "autogen failed: " + namespace, err
			}
		} else {
			return "generate didn't run", errors.New("no subcommand chosen")
		}
	}

	return "generate worked", nil
}