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shellcheck: fix usse -n instead of ! -z (SC2236 SC2237)

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- 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>
This commit is contained in:
Markus Heiser 2020-02-16 20:07:37 +01:00
parent e8cf225046
commit ad32739860
5 changed files with 26 additions and 23 deletions
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9
utils/lxc.sh
View file

@ -31,6 +31,7 @@ ubu1804_boilerplate="
export DEBIAN_FRONTEND=noninteractive
apt-get install -y git curl wget
"
# shellcheck disable=SC2034
ubu1904_boilerplate="$ubu1804_boilerplate"
REMOTE_IMAGES=()
@ -75,7 +76,7 @@ all LXC containers:
${LOCAL_IMAGES[@]}
EOF
[ ! -z "${1+x}" ] && err_msg "$1"
[ -n "${1+x}" ] && err_msg "$1"
}
lxd_info() {
@ -255,7 +256,7 @@ lxc_boilerplate_containers() {
lxc start -q "${HOST_PREFIX}-${shortname}" &>/dev/null
boilerplate_script="${shortname}_boilerplate"
boilerplate_script="${!boilerplate_script}"
if [[ ! -z "${boilerplate_script}" ]]; then
if [[ -n "${boilerplate_script}" ]]; then
echo "$boilerplate_script" \
| lxc exec "${HOST_PREFIX}-${shortname}" -- bash \
| prefix_stdout " ${HOST_PREFIX}-${shortname} | "
@ -305,11 +306,13 @@ add_subordinate_ids() {
del_subordinate_ids() {
local out
local exit_value
if grep "root:${HOST_USER_ID}:1" /etc/subuid -qs; then
# TODO: root user is always in use by process 1, how can we remove subordinates?
info_msg "remove lxd permission to map ${HOST_USER_ID}'s user/group id through"
out=$(usermod --del-subuids "${HOST_USER_ID}-${HOST_USER_ID}" --del-subgids "${HOST_GROUP_ID}-${HOST_GROUP_ID}" root 2>&1)
if [ ! -z $? ]; then
exit_val=$?
if [ $exit_val -ne 0 ]; then
err_msg "$out"
fi
else