Method SparseCheckout

cli/pkg/common/git.go:135–191

使用git下载指定的文件

(rootDir string, gitCloneUrl string, fileExpression string, branch string)

// 使用git下载指定的文件
func (g gitOperation) SparseCheckout(rootDir string, gitCloneUrl string, fileExpression string, branch string) ([]string, error) {
	if gitCloneUrl == "" {
		return []string{}, errors.New("actual git repo url is null")
	}
	repoName := GetRepoName(gitCloneUrl)

	//1. 配置
	//1.1. command
	sparseCheckout := fmt.Sprintf("echo \"%v\" >> .git/info/sparse-checkout", fileExpression) //TODO 会插入多条
	if runtime.GOOS == "windows" {
		sparseCheckout = fmt.Sprintf(`$content = "%v"
$checkoutFilePath = ".git\\info\\sparse-checkout"		
if (Test-Path $checkoutFilePath) { $content = (Get-Content $checkoutFilePath)+"%v" } 
Set-Content $checkoutFilePath -Value $content -Encoding Ascii`,
			"`n"+fileExpression, "`n"+fileExpression)
	}
	command := fmt.Sprintf(`
	git init %v
	cd %v
	git config core.sparsecheckout true
	%v
	git remote add -f origin %v
	git remote set-url origin %v
	git fetch
`, repoName, repoName, sparseCheckout, gitCloneUrl, gitCloneUrl)

	//1.2. exec
	err := EXEC.Realtime(command, rootDir)
	if err != nil {
		return []string{}, err
	}

	//2. checkout
	repoDirPath := filepath.Join(rootDir, repoName)
	if branch == "" {
		branch = g.GetMainBranchName(repoDirPath)
	}
	remoteName := g.GetRemoteName(repoDirPath)
	branchCommand := fmt.Sprintf(`
	git checkout %v 
	git reset --hard %v/%v 
	git pull
	`, branch, remoteName, branch)
	err = EXEC.Realtime(branchCommand, repoDirPath)
	if err != nil {
		SmartIDELog.Warning(err.Error())
	}

	//3. 获取下载的文件列表
	tempExpression := filepath.Join(rootDir, repoName, fileExpression)
	files, err := filepath.Glob(tempExpression)
	if err != nil {
		return []string{}, err
	}

	return files, nil
}