protect and unprotect all master branches in a group

protecc.sh

#!/bin/bash
all_project_ids=`curl --header "PRIVATE-TOKEN: ${gitlab_access}" \
    "https://gitlab.com/api/v4/projects?membership=true&simple=true&per_page=100" | jq '.[] | select(.path_with_namespace|test("'${filter}'")) | .id'`

if [ "$1" == "protect" ]; then
    # protecc
    for i in $all_project_ids; do
    curl --request POST --header "PRIVATE-TOKEN: ${gitlab_access}"\
        "https://gitlab.com/api/v4/projects/${i}/protected_branches?name=master&push_access_level=30&merge_access_level=30&unprotect_access_level=40"
    done
fi

if [ "$1" == "unprotect" ]; then
    # unprotecc
    for i in $all_project_ids; do
        curl --request DELETE --header "PRIVATE-TOKEN: ${gitlab_access}"\
            "https://gitlab.com/api/v4/projects/${i}/protected_branches/master"
    done
fi