pg-schedule-backups

#!/bin/sh
set -e
set -u

my_hours="${1:-}"
my_months="${2:-}"
my_passfile="${3:-}"
my_backup_dir="${4:-}"
my_prefix="${5:-}"

if test -z "${my_months}" ||
    test -z "${my_hours}" ||
    test -z "${my_passfile}" ||
    test -z "${my_backup_dir}"; then

    echo ""
    echo "USAGE"
    echo "    pg-schedule-backups <hours-between> <months-to-keep> <pg-passfile> <backup-dir> [file-prefix]"
    echo ""
    echo "EXAMPLE"
    # shellcheck disable=SC1003
    echo '    pg-schedule-backups 8 60 \'
    # shellcheck disable=SC1003
    echo '        /mnt/pg_backups/heroku-postgresql-foo-100.pgpass \'
    # shellcheck disable=SC1003
    echo '        /mnt/pg_backups/ \'
    echo "        foobar-app"
    echo ""

    exit 1
fi

if test -z "${my_prefix}"; then
    my_prefix='postgres'
fi

main() { (
    my_sudo=
    if command -v sudo > /dev/null; then
        my_sudo=sudo
    fi

    if ! command -v serviceman > /dev/null; then
        echo ""
        echo "ERROR:"
        echo "    'serviceman' is not installed"
        echo "    (see https://webinstall.dev/serviceman for details)"
        echo ""
        echo "TO FIX:"
        echo ""
        echo "    curl -fsS https://webi.sh/serviceman | sh"
        echo "    source ~/.config/envman/PATH.env"
        echo ""
        echo ""
        exit 1
    fi

    $my_sudo env PATH="${PATH}" \
        serviceman add \
        --system \
        --username "$(whoami)" \
        --path="${PATH}" \
        --name pg-loop-backup \
        pg-loop-backup "${my_hours}" "${my_months}" "${my_passfile}" "${my_backup_dir}" "${my_prefix}"

); }

main