Failed to connect to chromium.googlesource.com port 443: Operation timed out

pod install 报错：Failed to connect to chromium.googlesource.com port 443: Operation timed out
> Git download

    > Git download

        $ /usr/bin/git clone https://chromium.googlesource.com/webm/libwebp /var/folders/v2/b70qzxh17zqdw4yw4l53k99w0000gn/T/d20210108-76584-i4kjhe --template= --single-branch --depth 1 --branch v1.1.0

    [!] Error installing libwebp

    [!] /usr/bin/git clone https://chromium.googlesource.com/webm/libwebp /var/folders/v2/b70qzxh17zqdw4yw4l53k99w0000gn/T/d20210108-76584-i4kjhe --template= --single-branch --depth 1 --branch v1.1.0

    Cloning into '/var/folders/v2/b70qzxh17zqdw4yw4l53k99w0000gn/T/d20210108-76584-i4kjhe'...

    fatal: unable to access 'https://chromium.googlesource.com/webm/libwebp/': Failed to connect to chromium.googlesource.com port 443: Operation timed out

如果这个方法不行：

使用git config --globalhttp.proxy"localhost:port"，设置代理。

port是端口号，根据不同的vpn不一样，我这里使用的是lartern，端口是50321。

可以使用这个解决方案：

git config --global --unset http.proxy

git config --global --unset https.proxy