hertz_scaffold/cmd/helpers.go
2024-08-09 14:57:41 +08:00

143 lines
3.3 KiB
Go

package cmd
import (
"bytes"
"fmt"
"github.com/spf13/cobra"
"io"
"io/fs"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
)
func getModuleName(goModPath string) (string, error) {
content, err := os.ReadFile(goModPath)
if err != nil {
return "", err
}
lines := strings.Split(string(content), "\n")
for _, line := range lines {
if strings.HasPrefix(line, "module ") {
return strings.TrimSpace(strings.TrimPrefix(line, "module ")), nil
}
}
return "", fmt.Errorf("module name not found in go.mod")
}
func handleRemoteTemplate(templateRepo, branch, projectPath string) (err error) {
// 创建临时目录
tempDir, err := os.MkdirTemp("", "template-*")
if err != nil {
return fmt.Errorf("error creating temporary directory: %s", err)
}
// 清理临时目录
defer os.RemoveAll(tempDir)
// 克隆模板仓库
cloneCmd := exec.Command("git", "clone", "--branch", branch, templateRepo, tempDir)
cloneCmd.Stdout = io.Discard
var stderr bytes.Buffer
cloneCmd.Stderr = &stderr
if err = cloneCmd.Run(); err != nil {
return fmt.Errorf("error cloning template repository: %s\n%s", err, extractError(stderr.String()))
}
return copyTemplate(tempDir, projectPath)
}
func copyTemplate(src, dist string) (err error) {
// 读取 go.mod 文件中的模块名称
oldModuleName, err := getModuleName(filepath.Join(src, "go.mod"))
if err != nil {
log.Printf("error reading module name: %s", err)
os.Exit(1)
}
replacements := map[string]string{
oldModuleName: filepath.Base(dist),
}
return filepath.Walk(src, func(path string, info fs.FileInfo, err error) error {
if err != nil {
return err
}
// 获取相对路径
relPath, err := filepath.Rel(src, path)
if err != nil {
return err
}
// 获取目标路径
targetPath := filepath.Join(dist, relPath)
if info.IsDir() && filepath.Base(path) == ".git" {
return filepath.SkipDir
}
if info.IsDir() {
// 创建目录
return os.MkdirAll(targetPath, info.Mode())
}
return copyAndReplaceFile(path, targetPath, info.Mode(), replacements)
})
}
func copyAndReplaceFile(src, dist string, mode os.FileMode, replacements map[string]string) (err error) {
// 读取源文件
sourceFile, err := os.Open(src)
if err != nil {
return err
}
defer sourceFile.Close()
content, err := io.ReadAll(sourceFile)
if err != nil {
return err
}
newContent := string(content)
for key, value := range replacements {
newContent = strings.ReplaceAll(newContent, key, value)
}
// 读取目标文件
targetFile, err := os.OpenFile(dist, os.O_CREATE|os.O_RDWR|os.O_TRUNC, mode)
if err != nil {
return err
}
defer targetFile.Close()
_, err = targetFile.WriteString(newContent)
return
}
// extractError 解析并提取实际的错误信息
func extractError(stderr string) string {
lines := strings.Split(stderr, "\n")
var errorLines []string
for _, line := range lines {
// 过滤掉非错误信息
if strings.HasPrefix(line, "fatal:") || strings.Contains(line, "error:") {
errorLines = append(errorLines, line)
}
}
return strings.Join(errorLines, "\n")
}
// initFlags 初始化通用的命令行参数
func initFlags(cmd *cobra.Command) {
cmd.Flags().StringVarP(&project, "project", "p", "", "项目名称")
cmd.Flags().StringVarP(&branch, "tag", "t", "master", "指定tag")
cmd.MarkFlagRequired("project")
}