If you've been using git for any amount of time, you've come across .gitignore
. I'm not going to go through how it works, but did you know you can set up a global .gitignore?
What do you put in this global .gitignore? My recommendation is caches and auto-generated files and directories created by your operating system, and your editor/IDE of choice. I share my .gitignore across multiple operating systems, so I've ended up with quite a comprehensive one.
As a starting point, I think this one works pretty well: global .gitignore starting point
What to put in the repository .gitignore? I recommend putting caches and auto-generated files and directories created by tooling used by your code or on your code, and auto-generated files and directories specific to the repository.
My rule of thumb for where to put a specific ignore clause is to consider at what "level" the choice was made to use the tool that creates the files and directories I want to ignore were made. Personal choices, like what operating system to use, which editor or IDE, etc are ignored in the global .gitignore. Choices made for a specific repository is put in the local .gitignore.
Even though a lot of you repositories share the same ignore clauses (all your JavaScript repositories ignore node_modules
, for example) - don't put that in your global ignore. That just means that someone else is going to commit node_modules by accident.
You can put your global .gitignore wherever you like in your file system. Personally I prefer my home
directory. Then you tell git where the global .gitignore file is located by saving it to the git config:
# macOS / Linuxgit config --global core.excludesfile ~/.gitignore# Windowsgit config --global core.excludesfile %USERPROFILE%\.gitignore\*\*
Happy coding!
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