switch to sh and use chpasswd to set password

makeuser

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 # ---------------------------------------------------------------------------
 # makeuser - tilde.team new user creation
 # Usage: makeuser [-h|--help] <username> <email> "<pubkey>"
@@ -29,7 +29,9 @@ case $1 in
     -* | --*)
         usage; error_exit "unknown option $1" ;;
     *)
-        [[ $# -ne 3 ]] && error_exit "not enough args"
+        if [ $# -ne 3 ]; then
+            error_exit "not enough args"
+        fi
 
         if id "$1" > /dev/null 2>&1; then
             exit 0
@@ -37,9 +39,9 @@ case $1 in
 
         printf "adding new user %s\n" "$1"
         newpw=$(pwgen -1B 10)
-        pwcrypt=$(perl -e "print crypt('${newpw}', 'sa');")
-        sudo useradd -m -g 100 -p "$pwcrypt" -s /bin/bash "$1" \
+        sudo useradd -m -g 100 -s /bin/bash "$1" \
             || error_exit "couldn't add user"
+        printf "%s:%s\n" "$1" "$newpw" | sudo chpasswd
 
         printf "sending welcome mail\n"
         sed -e "s/newusername/$1/g" \