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container-entrypoint: Address shellcheck findings

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Reported-by: Marius Kriegerowski <marius.kriegerowski@gfz-potsdam.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Jan Kiszka 2022-01-10 12:39:14 +01:00
parent 484a3dda97
commit df9b3af111
1 changed files with 11 additions and 5 deletions
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16
container-entrypoint
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@ -14,20 +14,20 @@ fi
USER_ID=${USER_ID:-30000} USER_ID=${USER_ID:-30000}
GROUP_ID=${GROUP_ID:-30000} GROUP_ID=${GROUP_ID:-30000}
if [ $USER_ID == 0 ]; then if [ "$USER_ID" == 0 ]; then
# We shall run everything as root # We shall run everything as root
mkdir -p /builder mkdir -p /builder
GOSU="" GOSU=""
elif [ $USER_ID == $UID ]; then elif [ "$USER_ID" == "$UID" ]; then
GOSU="" GOSU=""
else else
if ! grep -q "^builder:" /etc/group; then if ! grep -q "^builder:" /etc/group; then
groupadd -o --gid $GROUP_ID builder groupadd -o --gid "$GROUP_ID" builder
fi fi
if ! id builder >/dev/null 2>&1; then if ! id builder >/dev/null 2>&1; then
# Create a non-root user that will perform the actual build # Create a non-root user that will perform the actual build
useradd -o --uid $USER_ID --gid $GROUP_ID --create-home \ useradd -o --uid "$USER_ID" --gid "$GROUP_ID" --create-home \
--home-dir /builder builder --home-dir /builder builder
fi fi
@ -35,18 +35,24 @@ else
fi fi
if [ "$PWD" = / ]; then if [ "$PWD" = / ]; then
cd /builder cd /builder || exit 1
fi fi
if [ -n "$1" ]; then if [ -n "$1" ]; then
case "$1" in case "$1" in
build|checkout|for-all-repos|menu|shell|-*) build|checkout|for-all-repos|menu|shell|-*)
# SC2086: Double quote to prevent globbing and word splitting.
# shellcheck disable=2086
exec $GOSU kas "$@" exec $GOSU kas "$@"
;; ;;
*) *)
# SC2086: Double quote to prevent globbing and word splitting.
# shellcheck disable=2086
exec $GOSU "$@" exec $GOSU "$@"
;; ;;
esac esac
else else
# SC2086: Double quote to prevent globbing and word splitting.
# shellcheck disable=2086
exec $GOSU bash exec $GOSU bash
fi fi