@@ -228,9 +228,9 @@ function err {

     xtrace=$(set +o | grep xtrace)

     set +o xtrace

     local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"

-    echo $msg 1>&2;

+    echo "$msg" 1>&2;

     if [[ -n ${LOGDIR} ]]; then

-        echo $msg >> "${LOGDIR}/error.log"

+        echo "$msg" >> "${LOGDIR}/error.log"

     fi

     $xtrace

     return $exitcode

@@ -283,7 +283,7 @@ function warn {

     xtrace=$(set +o | grep xtrace)

     set +o xtrace

     local msg="[WARNING] ${BASH_SOURCE[2]}:$1 $2"

-    echo $msg

+    echo "$msg"

     $xtrace

     return $exitcode

 }

@@ -1444,11 +1444,11 @@ function _common_systemd_pitfalls {

         read -r -d '' msg << EOF || true  # read returns 1 for EOF, but it is ok here

 You are trying to use run_process with sudo, this is not going to work under systemd.

-If you need to run a service as a user other than $STACK_USER call it with:

+If you need to run a service as a user other than \$STACK_USER call it with:

    run_process \$name \$cmd \$group \$user

 EOF

-        die $LINENO $msg

+        die $LINENO "$msg"

     fi

     if [[ ! "$cmd" =~ ^/ ]]; then

@@ -1458,7 +1458,7 @@ start under systemd.

 Please update your run_process stanza to have an absolute path.

 EOF

-        die $LINENO $msg

+        die $LINENO "$msg"

     fi

 }