To install run:
# you might need to swap exclude with include
rsync -r --include='*.sublime-snippet' --exclude='*' ./ ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/User/
# OR
rsync -r --exclude='*' --include='*.sublime-snippet' ./ [your snippet location here]
To update repo:
rsync -r --exclude='./.git' ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/User/*.sublime-snippet './'
# OR
rsync -r --exclude='./.git' [your snippet location here] './'
Standard location on MacOs:
'~/Library/Application Support/Sublime Text 3/Packages/User/'