(Website) Cannot generate completions for bash and zsh without sudo

[aleksa-radojicic]

On the website the instructions for generating completions for bash and zsh are given as:

usage --completions bash > /etc/bash_completion.d/usage
usage --completions zsh > /usr/share/zsh/site-functions/_usage

The problem is redirection to those directories requires root access so both commands would fail. Here is the improved version using 'tee' with 'sudo':

usage --completions bash | sudo tee /etc/bash_completion.d/usage
usage --completions zsh | sudo tee /usr/share/zsh/site-functions/_usage

If echoing the content of completions to stdout is undesirable, it can be hidden:

usage --completions bash | sudo tee /etc/bash_completion.d/usage >/dev/null
usage --completions zsh | sudo tee /usr/share/zsh/site-functions/_usage >/dev/null

[aleksa-radojicic]

'usage' is installed by default using 'mise', meaning it's only for a current user, thus it's not necessary to add completions for all users (directory /etc/bash_completion.d/). This means completions will be broken for other users because they don't have the access to 'usage' command.

Instead use the native bash completion path for the current user:

usage --completions bash > ~/.local/share/bash-completion/completions/usage

It's the same obstacle for zsh as well, but as far as I know it needs to be configured in ~/.zshrc for the equivalent path ~/.local/share/zsh/site-functions with zsh completions to load.