Adjust so this only runs when Homebrew is installed (thanks
MODIFY
completion/available/crystal.completion.bash
completion/available/crystal.completion.bash
if which crystal >/dev/null 2>&1; then
+
+ if which brew >/dev/null 2>&1; then
BREW_PREFIX=$(brew --prefix)
if [ -f "$BREW_PREFIX"/etc/bash_completion.d/crystal ]; then
. "$BREW_PREFIX"/etc/bash_completion.d/crystal
fi
+ fi
fi

Adjust so this only runs when Homebrew is installed (thanks @nwinkler)