Error: homebrew-core is a shallow clone.
mac use homebrew error:

Solution:

cd /usr/local/Homebrew/Library/Taps/homebrew
rm -rf homebrew-core
brew upgrade

Homebrew core will be updated again after brew upgrade

Read More:

• [Solved] Mac homebrew error: Error: homebrew-core is a shallow clone.
• MAC: Brew upgrade Error [How to Fix]
• [Solved] Mac Install homebrew Error: error: Not a valid ref: refs/remotes/origin/master
• How to Solve brew ERROR in `initialize‘: Version value must be a string； got a NilClass ()
• [Solved] Curl: (22) the requested URL returned error: 404 when installing XXX on MAC brew
• [Solved] Brew Install ffmpeg Error: tar: Error opening archive: Failed to open
• [app] install and compile libimobililedevice, How to solve the error
• tar: Error opening archive: Failed to open ‘/Users/xxx/Library/Caches/Homebrew/downloads/348a16e
• [Solved] Error: Failure while executing; `tar –extract –no-same-owner –file /Users/wangchuangyan/Library/C
• MAC install lightgbm and xgboost Error [How to Solve]
• MAC uses homebrew to install wget error [How to Solve]
• [Solved] New MAC Unity Develop Error: error installing cocoapods
• Mac Pyaudio Installation fatal error: ‘portaudio.h‘ file not found
• [Solved] Compile Error: AAPT: error: resource android:attr/lStar not found
• [Solved] pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available
• [Solved] QT error: the packaged exe of Enigma virtual box reports an error cannot load library qt5core.dll
• [Solved] AAPT: error: resource android:attr/lStar not found
• How to Solve ModuleNotFoundError: No module named ‘_bz2‘
• [Solved] Pip install icu failed: Command “python setup.py egg_info” failed with error code 1 in
• Cocoapods Install ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension.