gitlab_fetch_group_projects

#!/usr/bin/env bash

set -euo pipefail

SOFT=$(basename "$0")

err() {
    >&2 echo "$SOFT: $*"
}

usage() {
    echo "$SOFT: usage"
    echo
    echo "    $SOFT <group>"
    echo
    echo "        group: the gitlab group to clone"
    echo
    echo "    ENVIRONMENT"
    echo
    echo "        GITLAB_TOKEN with permission granted to [I don't remember right now, feel free to help]"
    echo "            it can be generated at https://gitlab.com/-/profile/personal_access_tokens"
    echo
    echo "        GITLAB_HOST by default is gitlab.com"
    echo
    echo "    EXAMPLES"
    echo
    echo '        export GITLAB_TOKEN=glpat-AZEazeazeAZEaze'
    echo '        export GITLAB_HOST=gitlab.com'
    echo '        gitlab_fetch_group_projects pag-station | while read -r ssh path; do echo git clone "$ssh" "$WORKSPACE/$path"; done'
    echo
    echo '            will clone everything accessible under the group gitlab.com/pag-station '
    echo
}

args=()
while (( $# )); do
    cmd=$1
    shift
    case "$cmd" in
        -h|--help|help)
            usage
            exit 0
        ;;
        *)
        args+=("$cmd")
        ;;
    esac
done

if ! command -v curl > /dev/null; then
    err "curl is missing"
    exit 1;
fi

if ! command -v jq > /dev/null; then
    err "jq is missing"
    exit 1;
fi


set -- "${args[@]}"

GITLAB_HOST=${GITLAB_HOST:-gitlab.com}
GITLAB_GROUP=$1
GITLAB_TOKEN=${GITLAB_TOKEN:-}

parseContent () {
    jq -r ".[] | [ .ssh_url_to_repo, .path_with_namespace ] | @tsv"
}

page=1

while true; do
    url="https://${GITLAB_HOST}/api/v4/groups/$GITLAB_GROUP/projects?include_subgroups=true&page=$page&archived=false"
    req=$(curl -s --header "PRIVATE-TOKEN: $GITLAB_TOKEN" "$url")
    if [ "$req" == "[]" ]; then
        exit 0;
    fi
    ((page+=1))
    parseContent <<<"$req"
done