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docker/karr-entrypoint.sh  view on Meta::CPAN

#!/bin/sh
set -eu

target_uid="${KARR_UID:-}"
target_gid="${KARR_GID:-}"

if [ -z "$target_uid" ] || [ -z "$target_gid" ]; then
    if [ -d /work ]; then
        work_uid="$(stat -c '%u' /work)"
        work_gid="$(stat -c '%g' /work)"
    else
        work_uid=1000
        work_gid=1000
    fi

    : "${target_uid:=$work_uid}"
    : "${target_gid:=$work_gid}"
fi

: "${target_uid:=1000}"
: "${target_gid:=1000}"

mkdir -p /home/karr

if [ "$target_uid" = "0" ] && [ "$target_gid" = "0" ]; then
    export HOME=/root
    exec karr "$@"
fi

chown "$target_uid:$target_gid" /home/karr
export HOME=/home/karr

exec gosu "$target_uid:$target_gid" karr "$@"