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shellcheck: fix usse -n instead of ! -z (SC2236 SC2237)
- https://www.shellcheck.net/wiki/SC2236 -- Use -n instead of ! -z. - https://www.shellcheck.net/wiki/SC2237 -- Use [ -n .. ] instead of ! [ -z .... Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
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Markus Heiser
parent
e8cf225046
commit
ad32739860
@ -97,7 +97,7 @@ If needed, set PUBLIC_URL of your WEB service in the '${DOT_CONFIG#"$REPO_ROOT/"
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FILTRON_TARGET : ${FILTRON_TARGET}
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EOF
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[ ! -z "${1+x}" ] && err_msg "$1"
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[[ -n ${1} ]] && err_msg "$1"
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}
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main() {
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34
utils/lib.sh
34
utils/lib.sh
@ -57,7 +57,7 @@ required_commands() {
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# usage: requires_commands [cmd1 ...]
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local exit_val=0
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while [ ! -z "$1" ]; do
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while [ -n "$1" ]; do
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if ! command -v "$1" &>/dev/null; then
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err_msg "missing command $1"
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@ -125,7 +125,7 @@ rst_title() {
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rst_para() {
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# usage: RST_INDENT=1 rst_para "lorem ipsum ..."
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local prefix=''
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if ! [[ -z $RST_INDENT ]] && [[ $RST_INDENT -gt 0 ]]; then
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if [[ -n $RST_INDENT ]] && [[ $RST_INDENT -gt 0 ]]; then
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prefix="$(for i in $(seq 1 "$RST_INDENT"); do printf " "; done)"
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echo -en "\n$*\n" | $FMT | prefix_stdout "$prefix"
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else
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@ -151,8 +151,8 @@ wait_key(){
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local msg="${MSG}"
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[[ -z "$msg" ]] && msg="${_Green}** press any [${_BCyan}KEY${_Green}] to continue **${_creset}"
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[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ ! -z $_t ]] && _t="-t $_t"
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[[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ -n $_t ]] && _t="-t $_t"
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printf "$msg"
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# shellcheck disable=SC2086
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read -r -s -n1 $_t
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@ -167,8 +167,8 @@ ask_yn() {
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local EXIT_NO=1 # exit status 1 --> error code
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local _t=$3
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[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ ! -z $_t ]] && _t="-t $_t"
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[[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ -n $_t ]] && _t="-t $_t"
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case "${FORCE_SELECTION:-${2}}" in
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Y) return ${EXIT_YES} ;;
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N) return ${EXIT_NO} ;;
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@ -218,7 +218,7 @@ tee_stderr () {
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# hello
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local _t="0";
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if [[ ! -z $1 ]] ; then _t="$1"; fi
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if [[ -n $1 ]] ; then _t="$1"; fi
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(while read -r line; do
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# shellcheck disable=SC2086
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@ -233,7 +233,7 @@ prefix_stdout () {
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local prefix="${_BYellow}-->|${_creset}"
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if [[ ! -z $1 ]] ; then prefix="${_BYellow}$1${_creset}"; fi
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if [[ -n $1 ]] ; then prefix="${_BYellow}$1${_creset}"; fi
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# shellcheck disable=SC2162
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(while IFS= read line; do
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@ -260,7 +260,7 @@ cache_download() {
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local exit_value=0
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if [[ ! -z ${SUDO_USER} ]]; then
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if [[ -n ${SUDO_USER} ]]; then
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sudo -u "${SUDO_USER}" mkdir -p "${CACHE}"
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else
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mkdir -p "${CACHE}"
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@ -274,7 +274,7 @@ cache_download() {
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if [[ ! -f "${CACHE}/$2" ]]; then
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info_msg "caching: $1"
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info_msg " --> ${CACHE}/$2"
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if [[ ! -z ${SUDO_USER} ]]; then
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if [[ -n ${SUDO_USER} ]]; then
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sudo -u "${SUDO_USER}" wget --progress=bar -O "${CACHE}/$2" "$1" ; exit_value=$?
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else
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wget --progress=bar -O "${CACHE}/$2" "$1" ; exit_value=$?
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@ -298,8 +298,8 @@ choose_one() {
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local choice=$1;
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local max="${#@}"
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local _t
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[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ ! -z $_t ]] && _t="-t $_t"
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[[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
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[[ -n $_t ]] && _t="-t $_t"
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list=("$@")
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echo -e "${_BGreen}Menu::${_creset}"
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@ -374,7 +374,7 @@ install_template() {
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local chmod="${pos_args[4]-644}"
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info_msg "install (eval=$do_eval): ${dst}"
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[[ ! -z $variant ]] && info_msg "variant: ${variant}"
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[[ -n $variant ]] && info_msg "variant: ${variant}"
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if [[ ! -f "${template_origin}" ]] ; then
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err_msg "${template_origin} does not exists"
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@ -386,14 +386,14 @@ install_template() {
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if [[ "$do_eval" == "1" ]]; then
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template_file="${CACHE}${dst}${variant}"
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info_msg "BUILD template ${template_file}"
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if [[ ! -z ${SUDO_USER} ]]; then
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if [[ -n ${SUDO_USER} ]]; then
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sudo -u "${SUDO_USER}" mkdir -p "$(dirname "${template_file}")"
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else
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mkdir -p "$(dirname "${template_file}")"
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fi
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# shellcheck disable=SC2086
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eval "echo \"$(cat ${template_origin})\"" > "${template_file}"
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if [[ ! -z ${SUDO_USER} ]]; then
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if [[ -n ${SUDO_USER} ]]; then
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chown "${SUDO_USER}:${SUDO_USER}" "${template_file}"
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fi
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else
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@ -856,8 +856,8 @@ git_clone() {
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fi
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[[ -z $branch ]] && branch=master
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[[ -z $user ]] && [[ ! -z "${SUDO_USER}" ]] && user="${SUDO_USER}"
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[[ ! -z $user ]] && bash_cmd="sudo -H -u $user -i"
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[[ -z $user ]] && [[ -n "${SUDO_USER}" ]] && user="${SUDO_USER}"
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[[ -n $user ]] && bash_cmd="sudo -H -u $user -i"
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if [[ -d "${dest}" ]] ; then
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info_msg "already cloned: $dest"
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@ -31,6 +31,7 @@ ubu1804_boilerplate="
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export DEBIAN_FRONTEND=noninteractive
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apt-get install -y git curl wget
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"
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# shellcheck disable=SC2034
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ubu1904_boilerplate="$ubu1804_boilerplate"
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REMOTE_IMAGES=()
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@ -75,7 +76,7 @@ all LXC containers:
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${LOCAL_IMAGES[@]}
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EOF
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[ ! -z "${1+x}" ] && err_msg "$1"
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[ -n "${1+x}" ] && err_msg "$1"
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}
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lxd_info() {
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@ -255,7 +256,7 @@ lxc_boilerplate_containers() {
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lxc start -q "${HOST_PREFIX}-${shortname}" &>/dev/null
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boilerplate_script="${shortname}_boilerplate"
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boilerplate_script="${!boilerplate_script}"
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if [[ ! -z "${boilerplate_script}" ]]; then
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if [[ -n "${boilerplate_script}" ]]; then
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echo "$boilerplate_script" \
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| lxc exec "${HOST_PREFIX}-${shortname}" -- bash \
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| prefix_stdout " ${HOST_PREFIX}-${shortname} | "
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@ -305,11 +306,13 @@ add_subordinate_ids() {
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del_subordinate_ids() {
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local out
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local exit_value
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if grep "root:${HOST_USER_ID}:1" /etc/subuid -qs; then
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# TODO: root user is always in use by process 1, how can we remove subordinates?
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info_msg "remove lxd permission to map ${HOST_USER_ID}'s user/group id through"
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out=$(usermod --del-subuids "${HOST_USER_ID}-${HOST_USER_ID}" --del-subgids "${HOST_GROUP_ID}-${HOST_GROUP_ID}" root 2>&1)
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if [ ! -z $? ]; then
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exit_val=$?
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if [ $exit_val -ne 0 ]; then
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err_msg "$out"
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fi
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else
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@ -84,7 +84,7 @@ ${DOT_CONFIG#"$REPO_ROOT/"} file::
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SERVICE_USER : ${SERVICE_USER}
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EOF
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info_searx
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[ ! -z "${1+x}" ] && err_msg "$1"
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[[ -n ${1} ]] && err_msg "$1"
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}
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info_searx() {
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@ -110,7 +110,7 @@ If needed, set PUBLIC_URL of your WEB service in the '${DOT_CONFIG#"$REPO_ROOT/"
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SERVICE_USER : ${SERVICE_USER}
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EOF
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[ ! -z "${1+x}" ] && err_msg "$1"
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[[ -n ${1} ]] && err_msg "$1"
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}
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main() {
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