#!/bin/bash
USERNAME=`whoami`
MOUNT_PATH="/mnt"
CURRENT_DIRECTORY=`pwd -P` # untangle symbolic links if needed - SELinux needs the real path
IMAGE="debian:jessie"

if [[ -z $1 ]]; then
    echo "usage: `basename $0` command_to_run_inside_a_container"
    exit 1
fi

RESOLVED_ARGUMENTS="$@"
docker run -i -t -v "$CURRENT_DIRECTORY":"$MOUNT_PATH":Z $IMAGE bash -c "useradd -M -d '$MOUNT_PATH' $USERNAME && cd '$MOUNT_PATH' && bash -c '$RESOLVED_ARGUMENTS'"

# restore SELinux context for the current directory
restorecon_path=`which restorecon`
if [[ -x "$restorecon_path" ]]; then 
    restorecon -R "$CURRENT_DIRECTORY"
fi