Mac update system after Git is not available, prompt missing Xcrun at

The Mac system was updated today and then stepped on the pit.

Start Androidstudio tip in the upper right corner:

start git: /usr/bin/git probably the path to git executable is not valid . `fix it`.

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Click on fix it the test hint behind the top-most path address:

while executing git -- version. exitCode=1 errors: xcrun: error : invalid active developer path(/library/developer/commandlinetools),missing xcrun at:/library/developer/commandlinetools.usr/bin/xcrun

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Look for a lap. Many developers have encountered this problem. It is said that every version of Apple updates will have this problem, because each time a new update is installed, Xcode is uninstalled .... No more talking about solutions.

Using the Xcode command-line tool that was reinstalled by the terminal (in fact, it was installed Command lines Tools,command
Tools is a tool in Xcode)

xcode-select --install

Mac updates the system after Git is not available, prompting missing Xcrun at