homebrew-command-not-found started displaying error on loading on macOS about homebrew-command-not-found HOT 4 CLOSED

Thanks for the report! Sorry, I was away for the weekend. I just fixed the first issue (error message; 0a6cff1) as well as the second (doesn’t work; 5d0556b). Just run brew update to get the fixes.

As far as I understand, Homebrew is increasingly moving from code where constants and classes are explicitely required rather than being globally available. This is a good thing, but it breaks code that rely on that global availability, like here.

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@andrewcrook I was coming to open this very same issue. 😁

I fixed this issue by updating my configuration for bash.

What I had:

# Homebrew - Command Not Found - Reproduces Ubuntu’s command-not-found for Homebrew users on macOS.
# https://github.com/Homebrew/homebrew-command-not-found
if brew command command-not-found-init > /dev/null; then
    eval "$(brew command-not-found-init)"

What I changed it to:

# Homebrew - Command Not Found - Reproduces Ubuntu’s command-not-found for Homebrew users on macOS.
# https://github.com/Homebrew/homebrew-command-not-found#install
HB_CNF_HANDLER="$(brew --prefix)/Homebrew/Library/Taps/homebrew/homebrew-command-not-found/handler.sh"
if [ -f "$HB_CNF_HANDLER" ]; then
source "$HB_CNF_HANDLER";
fi

👉 That got rid of the error at shell startup, but now it just tool doesn't work at all...

$ when
when: command not found

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@peterlobster
Yes, I believe both should work.
I use the first example in my.zshrc
command-not-found should add commands to extend brew so that you can initialise it via brew command.
I am busy at the moment,however,if I find anything I will post here. I am sure it's something to do with the brew-core update.

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I was going to open an issue for the same.
Same here. Exact error as seen by @andrewcrook.
I changed exactly what @peterlobster did, and same results.

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