create user on mac os x with dscl command

dscl_create_user

# for pair programming setup a user on your machine

#INPUT
USERNAME="tmuxpair"

# COMPUTE
LATEST_ID=$(dscl . -list /Users UniqueID | awk '{print $2}' | sort -ug | tail -1)
USER_ID=$((LATEST_ID+1))

# CREATE with sudo
dscl . -create /Users/$USERNAME
dscl . -create /Users/$USERNAME UserShell /bin/bash
dscl . -create /Users/$USERNAME RealName $USERNAME
dscl . -create /Users/$USERNAME UniqueID "$USERID"
# in staff group
dscl . -create /Users/$USERNAME PrimaryGroupID 20
dscl . -create /Users/$USERNAME NFSHomeDirectory /Users/$USERNAME
# no need for password. we'll ssh with key
#dscl . -passwd /Users/$USERNAME $PASSWD

# find my public ip
dig +short myip.opendns.com @resolver1.opendns.com

# use github pub key for user

# ls-pair download the public keys to the pair user before creating a user
curl https://github.com/$githubuser.keys > public_keys/$githubuser.pub


# resources

https://gist.github.com/marksim/5785406/raw/c986c8882661a47d422d899d89c3fe44c7979f96/pair-session.sh
https://github.com/livingsocial/ls-pair