Format On Save with Xcode behaviors.

首先，根据 issue 中的 Command+S 脚本复现 Xcode 的行为，包括对 .cpp 文件执行 clang-format -i 和 touch 命令。调查 plugin 是否可以在 Xcode 内调用格式化，而不是在外部修改文件。完成的标准是在保存时进行格式化，不显示外部修改对话框，同时保留磁盘上较新的版本。

Hi, in order to allow "Format on Save" I avoid using extensions, but rather set new Xcode behavior hat run the following script upon "Command+S" (which replace the original file save):

My script extract the current file name presented by xcode, and perform clang-format on this file (see below), and it works just fine.

However, when the file is modified, I sometimes get the following message from xcode.

the file for the document at “/Users/me/file.cpp” has been modified by another application. There are also unsaved changes in Xcode. Do you want to keep the Xcode version or revert to the version on disk?

This happens because the file changed outside xcode ... and xcode probably cache the currently file being edited, so I'd like to avoid this message box and always take the newer file version from disk (select the "Revert" option instead of the other option of "Keep Xcode Version") . is it possible to avoid this message box ?

Thanks

#!/bin/sh

CDP=$(osascript -e 'tell application "Xcode"
    activate
    set current_document to last source document
    set current_document_path to path of current_document
end tell ' )

if [[ $CDP == *.cpp ]]
then
    /usr/local/bin/clang-format -i ${CDP}
    touch ${CDP}
fi

P.S I'm aware this option doesn't related directly to the plugin, but if the plugin can somehow run clang-format from within the xcode, it may solve my problem and avoid this messagebox...