99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
"""
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一次性脚本：将 Windows 系统级默认 shell 切换为 PowerShell 7
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1. Windows Terminal 默认 profile → pwsh.exe
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2. OpenSSH DefaultShell 注册表 → pwsh.exe
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3. 系统 ComSpec 环境变量不动（保持 cmd.exe 兼容）
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"""
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import json
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import os
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import subprocess
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import winreg
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PWSH7 = r"C:\Program Files\PowerShell\7\pwsh.exe"
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# ── 1. Windows Terminal settings.json ──
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wt_settings = os.path.join(
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os.environ["LOCALAPPDATA"],
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"Packages",
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"Microsoft.WindowsTerminal_8wekyb3d8bbwe",
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"LocalState",
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"settings.json",
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)
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wt_preview = os.path.join(
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os.environ["LOCALAPPDATA"],
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"Packages",
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"Microsoft.WindowsTerminalPreview_8wekyb3d8bbwe",
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"LocalState",
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"settings.json",
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)
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# Windows Terminal 的 PowerShell 7 profile GUID（官方固定值）
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PWSH7_GUID = "{574e775e-4f2a-5b96-ac1e-a2962a402336}"
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for path in [wt_settings, wt_preview]:
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if os.path.isfile(path):
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with open(path, "r", encoding="utf-8") as f:
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content = f.read()
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# 去掉 JSON 注释行（Windows Terminal 允许 // 注释）
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lines = []
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for line in content.splitlines():
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stripped = line.lstrip()
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if stripped.startswith("//"):
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continue
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lines.append(line)
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clean = "\n".join(lines)
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try:
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cfg = json.loads(clean)
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except json.JSONDecodeError:
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print(f"跳过（JSON 解析失败）: {path}")
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continue
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cfg["defaultProfile"] = PWSH7_GUID
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with open(path, "w", encoding="utf-8") as f:
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json.dump(cfg, f, indent=4, ensure_ascii=False)
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print(f"已更新 Windows Terminal defaultProfile: {path}")
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else:
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print(f"未找到 Windows Terminal 配置: {path}")
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# ── 2. OpenSSH DefaultShell 注册表 ──
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try:
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key = winreg.CreateKeyEx(
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winreg.HKEY_LOCAL_MACHINE,
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r"SOFTWARE\OpenSSH",
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0,
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winreg.KEY_SET_VALUE,
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)
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winreg.SetValueEx(key, "DefaultShell", 0, winreg.REG_SZ, PWSH7)
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winreg.CloseKey(key)
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print(f"已设置 OpenSSH DefaultShell → {PWSH7}")
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except PermissionError:
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print("OpenSSH 注册表写入需要管理员权限，跳过（可手动以管理员运行）")
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except Exception as e:
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print(f"OpenSSH 注册表写入失败: {e}")
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# ── 3. 将 pwsh.exe 所在目录加到 PATH 最前面（如果不在的话）──
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pwsh_dir = os.path.dirname(PWSH7)
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current_path = os.environ.get("PATH", "")
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if pwsh_dir.lower() not in current_path.lower():
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# 写入用户级 PATH
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try:
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key = winreg.OpenKeyEx(
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winreg.HKEY_CURRENT_USER,
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r"Environment",
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0,
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winreg.KEY_READ | winreg.KEY_SET_VALUE,
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)
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user_path, _ = winreg.QueryValueEx(key, "Path")
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if pwsh_dir.lower() not in user_path.lower():
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new_path = pwsh_dir + ";" + user_path
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winreg.SetValueEx(key, "Path", 0, winreg.REG_EXPAND_SZ, new_path)
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print(f"已将 {pwsh_dir} 添加到用户 PATH 最前面")
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else:
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print(f"{pwsh_dir} 已在用户 PATH 中")
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winreg.CloseKey(key)
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except Exception as e:
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print(f"PATH 更新失败: {e}")
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else:
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print(f"{pwsh_dir} 已在 PATH 中")
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print("\n完成。新开的终端窗口将默认使用 PowerShell 7。")
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