Initial commit

lib/builtin/getopts.bash

@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+
+declare -g options=':'
+declare -Ag arguments=()
+
+function _requires_opt() {
+    set +u
+    local _opt=${1:-}
+    local _var=$(eval echo ${2:-})
+
+    if [[ -z "${_var}" ]] && [[ ! -z "${_opt}" ]]; then
+        ${ui}.error && \
+        ${ui}.print \
+            $"Required option missing: '-%s'. You must provide it.\n\n" \
+            ${_opt}
+        exit -1
+    fi
+    set -u
+}