makefile zsh autocomplete

# Define make completions
function _make_completions() {
    local -a targets
    if [[ -f 'Makefile' ]]; then
        # Read targets from Makefile using Extended Regular Expressions
        # This regex aims to match any target that does not start with a dot and includes more characters than before.
        targets=($(grep -oE '^[^\.#][^ ]*:' Makefile | sed 's/:.*//'))
    fi

    # Define completions based on targets
    _describe 'target' targets
}

# Tell Zsh to use this function for make completion
compdef _make_completions make