admin
e6956aa001
- React frontend with route-level code splitting - Backend rebranded from Baihu to TaskPool - DB brand migration script and local compatibility
102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package utils
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import (
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"os"
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"os/exec"
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"runtime"
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"strings"
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"sync"
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)
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var (
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defaultShell string
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defaultArgs []string
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shellOnce sync.Once
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)
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// GetShell 返回当前操作系统的 shell 和参数
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func GetShell() (shell string, args []string) {
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shellOnce.Do(func() {
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if runtime.GOOS == "windows" {
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defaultShell = "cmd"
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defaultArgs = []string{}
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return
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}
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// 1. 优先在 PATH 中查找 bash
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if path, err := exec.LookPath("bash"); err == nil {
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defaultShell = path
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defaultArgs = []string{}
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return
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}
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// 2. 其次使用环境变量中的 SHELL
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if envShell := os.Getenv("SHELL"); envShell != "" {
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if _, err := os.Stat(envShell); err == nil {
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defaultShell = envShell
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defaultArgs = []string{}
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return
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}
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}
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// 3. 尝试在 PATH 中查找 zsh 或 sh
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for _, s := range []string{"zsh", "sh"} {
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if path, err := exec.LookPath(s); err == nil {
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defaultShell = path
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defaultArgs = []string{}
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return
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}
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}
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// 4. 最后回退到硬编码路径
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shells := []string{"/usr/bin/bash", "/bin/bash", "/usr/bin/sh", "/bin/sh"}
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for _, sh := range shells {
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if _, err := os.Stat(sh); err == nil {
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defaultShell = sh
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defaultArgs = []string{}
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return
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}
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}
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defaultShell = "sh"
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defaultArgs = []string{}
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})
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return defaultShell, defaultArgs
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}
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// GetShellCommand 返回执行命令的 shell 和参数
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func GetShellCommand(command string) (shell string, args []string) {
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shell, _ = GetShell()
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if runtime.GOOS == "windows" {
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return shell, []string{"/c", command}
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}
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return shell, []string{"-c", command}
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}
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// NewShellCmd 创建一个交互式 shell 命令
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func NewShellCmd() *exec.Cmd {
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shell, _ := GetShell()
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if runtime.GOOS == "windows" {
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return exec.Command(shell)
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}
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// Unix 系统使用 -i 启用交互模式
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return exec.Command(shell, "-i")
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}
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// NewShellCommandCmd 创建一个执行指定命令的 shell 命令
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func NewShellCommandCmd(command string) *exec.Cmd {
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shell, args := GetShellCommand(command)
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return exec.Command(shell, args...)
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}
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// QuotePath 转义并包裹路径，防止 Shell 注入
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func QuotePath(path string) string {
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if path == "" {
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return "''"
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}
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// 在 Unix-like 系统中，单引号包裹是最安全的
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// 需要将路径中的 ' 替换为 '\'' (结束当前引号，转义一个单引号，重新开启引号)
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return "'" + strings.ReplaceAll(path, "'", "'\\''") + "'"
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}
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