+# script to determine if gpg version is equal to or greater than specified version
+is_gpg_version_greater_equal() {
+ local gpgVersion=$(gpg --version | head -1 | awk '{ print $3 }')
+ local latest=$(printf '%s\n%s\n' "$1" "$gpgVersion" \
+ | tr '.' ' ' | sort -g -k1 -k2 -k3 \
+ | tail -1 | tr ' ' '.')
+ [[ "$gpgVersion" == "$latest" ]]
+}
+