gistfile1.txt

#!/bin/bash

#set -exuo pipefail
shopt -s expand_aliases

function safe_function {
    echo "$@"
    echo "sf: ${BASH_LINENO[0]}"
    sed -n "${BASH_LINENO[0]},/^}/p" "${BASH_SOURCE[1]}"
}

alias safe_function='
    __safe_function_line="${LINENO}"
    __safe_function_name="$(sed -n "${__safe_function_line}s/\s*safe_function\s\+\(\(\w\|-\|_\)\+\).*/\1/p" < "${BASH_SOURCE[0]}")" &&
    function __safe_function { #'
alias end_safe_function='} &&
    eval "function $__safe_function_name {
        echo done
    }"'


safe_function x-y_z:
    echo xyz
    echo $@
    echo done
end_safe_function

echo declared
declare -f x-y_z

x-y_z

exit 42