envwrap: create new wrapper if called directly

misc/envwrap

@@ -1,6 +1,12 @@
 #!/bin/zsh
 source ${$(realpath "$0"):h:h}/lib/next-in-path.zsh
 program="${0:a:t}"
+if [[ $program == "envwrap" ]]; then
+  echo "Creating wrapper for $1 at ${0:a:h}/$1" >&2
+  ln -sr $(realpath "$0") ${0:a:h}/$1
+  exit 0
+fi
+
 envwrapconf=${XDG_CONFIG_HOME:-$HOME/.config}/envwrap/$program 
 [[ -e $envwrapconf ]] && source $envwrapconf
 $(next-in-path "$program" $0) "$@"