Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/utils/shell.go

@@ -0,0 +1,101 @@
+package utils
+
+import (
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+	"sync"
+)
+
+var (
+	defaultShell string
+	defaultArgs  []string
+	shellOnce    sync.Once
+)
+
+// GetShell 返回当前操作系统的 shell 和参数
+func GetShell() (shell string, args []string) {
+	shellOnce.Do(func() {
+		if runtime.GOOS == "windows" {
+			defaultShell = "cmd"
+			defaultArgs = []string{}
+			return
+		}
+
+		// 1. 优先在 PATH 中查找 bash
+		if path, err := exec.LookPath("bash"); err == nil {
+			defaultShell = path
+			defaultArgs = []string{}
+			return
+		}
+
+		// 2. 其次使用环境变量中的 SHELL
+		if envShell := os.Getenv("SHELL"); envShell != "" {
+			if _, err := os.Stat(envShell); err == nil {
+				defaultShell = envShell
+				defaultArgs = []string{}
+				return
+			}
+		}
+
+		// 3. 尝试在 PATH 中查找 zsh 或 sh
+		for _, s := range []string{"zsh", "sh"} {
+			if path, err := exec.LookPath(s); err == nil {
+				defaultShell = path
+				defaultArgs = []string{}
+				return
+			}
+		}
+
+		// 4. 最后回退到硬编码路径
+		shells := []string{"/usr/bin/bash", "/bin/bash", "/usr/bin/sh", "/bin/sh"}
+		for _, sh := range shells {
+			if _, err := os.Stat(sh); err == nil {
+				defaultShell = sh
+				defaultArgs = []string{}
+				return
+			}
+		}
+
+		defaultShell = "sh"
+		defaultArgs = []string{}
+	})
+
+	return defaultShell, defaultArgs
+}
+
+// GetShellCommand 返回执行命令的 shell 和参数
+func GetShellCommand(command string) (shell string, args []string) {
+	shell, _ = GetShell()
+	if runtime.GOOS == "windows" {
+		return shell, []string{"/c", command}
+	}
+	return shell, []string{"-c", command}
+}
+
+// NewShellCmd 创建一个交互式 shell 命令
+func NewShellCmd() *exec.Cmd {
+	shell, _ := GetShell()
+	if runtime.GOOS == "windows" {
+		return exec.Command(shell)
+	}
+	// Unix 系统使用 -i 启用交互模式
+	return exec.Command(shell, "-i")
+}
+
+// NewShellCommandCmd 创建一个执行指定命令的 shell 命令
+func NewShellCommandCmd(command string) *exec.Cmd {
+	shell, args := GetShellCommand(command)
+	return exec.Command(shell, args...)
+}
+
+// QuotePath 转义并包裹路径，防止 Shell 注入
+func QuotePath(path string) string {
+	if path == "" {
+		return "''"
+	}
+	// 在 Unix-like 系统中，单引号包裹是最安全的
+	// 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)
+	return "'" + strings.ReplaceAll(path, "'", "'\\''") + "'"
+}