Fuck it, .zshrc it is.
Image transcription:
- Top text: I STILL DON'T KNOW WHAT SHOULD GO IN .*RC VERSUS .*PROFILE
- Bottom text: AND AT THIS POINT I'M AFRAID TO ASK
this post was submitted on 18 Jul 2024
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I found this diagram on SO at one point but I can’t find the post and it is the best explanation I have found for how all of the files work for bash and zsh, each color is an individual path of execution (eg, follow the red line).
Bottom line though, it only really matters if you are overriding something that is already defined, for example I tell my users to use zshrc and I provide defaults and common things in zprofile because zshrc is executed last when they login.
What do the differently coloured arrows mean? I'm confused.
Select the color which matches the steps before filenames ((non-)login and (non-)interactive), then follow that arrow the rest of the way. There's more colors in Bash because Bash makes a distinction between remote and local shells.
Another way to look at the same data for Zsh (note:
$ZDOTDIRwill be used instead of$HOMEif it's defined at any step along the way):/etc/zshenv${ZDOTDIR:-$HOME}/.zshenv${ZDOTDIR:-$HOME}/.zprofile${ZDOTDIR:-$HOME}/.zshrc${ZDOTDIR:-$HOME}/.zlogin${ZDOTDIR:-$HOME}/.zlogoutOne confusion on the Bash side of the diagram is that you see branching paths into
~/.profile,~/.bash_profileand~/.bash_login. Bash will use for~/.bash_profile,~/.bash_login, and~/.profile, in that order, and execute only the first one that exists and is readable.And what's confusing is that many times those files still manually call the others to make it more logical like zsh. That's what I remember at least, it's been quite a while since I used bash.
Yeah, most distros will set up
sourcechains to make things nicer for users.