Script to add gitlab users from one group to another

gitlab_add_group_members_from_another_group.sh

#!/bin/sh

GITLAB_URL="https://git.acme.com"
PRIVATE_TOKEN="abcde-fghijklmnop"
FROM_GROUP_ID=$1
TO_GROUP_ID=$2
ACCESS_LEVEL=40

USERIDS_OF_GROUP=$(curl -s --header "PRIVATE-TOKEN: $PRIVATE_TOKEN" $GITLAB_URL/api/v4/groups/$FROM_GROUP_ID/members| jq ".[].id")
for USERID in $USERIDS_OF_GROUP
do
        curl -s --header "PRIVATE-TOKEN: $PRIVATE_TOKEN" --data "user_id=$USERID&access_level=$ACCESS_LEVEL" $GITLAB_URL/api/v4/groups/$TO_GROUP_ID/members
done