helloSystem: extract from a log of an upgrade to FreeBSD

The following changes, which occurred between FreeBSD 12.1-RELEASE and
FreeBSD 12.2-RELEASE have been merged into /etc/group:
--- current version
+++ new version
@@ -1,6 +1,6 @@
-# $FreeBSD: releng/12.1/etc/group 336525 2018-07-19 23:55:29Z ian $
+# $FreeBSD: releng/12.2/etc/group 359447 2020-03-30 17:07:05Z brooks $
 #
 wheel:*:0:root,grahamperrin
 daemon:*:1:
 kmem:*:2:
 sys:*:3:
@@ -30,10 +30,11 @@
 audit:*:77:
 www:*:80:
 ntpd:*:123:
 _ypldap:*:160:
 hast:*:845:
+tests:*:977:
 nogroup:*:65533:
 nobody:*:65534:
 messagebus:*:556:
 _tss:*:601:
 avahi:*:558:
Does this look reasonable (y/n)? y

The following changes, which occurred between FreeBSD 12.1-RELEASE and
FreeBSD 12.2-RELEASE have been merged into /etc/master.passwd:
--- current version
+++ new version
@@ -1,6 +1,6 @@
-# $FreeBSD: releng/12.1/etc/master.passwd 337882 2018-08-15 23:18:34Z brd $
+# $FreeBSD: releng/12.2/etc/master.passwd 359447 2020-03-30 17:07:05Z brooks $
 #
 root:*LOCKED*:0:0::0:0:Charlie &:/root:/bin/csh
 toor:*:0:0::0:0:Bourne-again Superuser:/root:
 daemon:*:1:1::0:0:Owner of many system processes:/root:/usr/sbin/nologin
 operator:*:2:5::0:0:System &:/:/usr/sbin/nologin
@@ -23,10 +23,11 @@
 auditdistd:*:78:77::0:0:Auditdistd unprivileged user:/var/empty:/usr/sbin/nologin
 www:*:80:80::0:0:World Wide Web Owner:/nonexistent:/usr/sbin/nologin
 ntpd:*:123:123::0:0:NTP Daemon:/var/db/ntp:/usr/sbin/nologin
 _ypldap:*:160:160::0:0:YP LDAP unprivileged user:/var/empty:/usr/sbin/nologin
 hast:*:845:845::0:0:HAST unprivileged user:/var/empty:/usr/sbin/nologin
+tests:*:977:977::0:0:Unprivileged user for tests:/nonexistent:/usr/sbin/nologin
 nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/nologin
 messagebus:*:556:556::0:0:D-BUS Daemon User:/nonexistent:/usr/sbin/nologin
 _tss:*:601:601:daemon:0:0:TCG Software Stack user:/var/empty:/usr/sbin/nologin
 avahi:*:558:558::0:0:Avahi Daemon User:/nonexistent:/usr/sbin/nologin
 cups:*:193:193::0:0:Cups Owner:/nonexistent:/usr/sbin/nologin
Does this look reasonable (y/n)? y

The following changes, which occurred between FreeBSD 12.1-RELEASE and
FreeBSD 12.2-RELEASE have been merged into /etc/passwd:
--- current version
+++ new version
@@ -1,6 +1,6 @@
-# $FreeBSD: releng/12.1/etc/master.passwd 337882 2018-08-15 23:18:34Z brd $
+# $FreeBSD: releng/12.2/etc/master.passwd 359447 2020-03-30 17:07:05Z brooks $
 #
 root:*:0:0:Charlie &:/root:/bin/csh
 toor:*:0:0:Bourne-again Superuser:/root:
 daemon:*:1:1:Owner of many system processes:/root:/usr/sbin/nologin
 operator:*:2:5:System &:/:/usr/sbin/nologin
@@ -23,10 +23,11 @@
 auditdistd:*:78:77:Auditdistd unprivileged user:/var/empty:/usr/sbin/nologin
 www:*:80:80:World Wide Web Owner:/nonexistent:/usr/sbin/nologin
 ntpd:*:123:123:NTP Daemon:/var/db/ntp:/usr/sbin/nologin
 _ypldap:*:160:160:YP LDAP unprivileged user:/var/empty:/usr/sbin/nologin
 hast:*:845:845:HAST unprivileged user:/var/empty:/usr/sbin/nologin
+tests:*:977:977:Unprivileged user for tests:/nonexistent:/usr/sbin/nologin
 nobody:*:65534:65534:Unprivileged user:/nonexistent:/usr/sbin/nologin
 messagebus:*:556:556:D-BUS Daemon User:/nonexistent:/usr/sbin/nologin
 _tss:*:601:601:TCG Software Stack user:/var/empty:/usr/sbin/nologin
 avahi:*:558:558:Avahi Daemon User:/nonexistent:/usr/sbin/nologin
 cups:*:193:193:Cups Owner:/nonexistent:/usr/sbin/nologin
Does this look reasonable (y/n)? y

The following changes, which occurred between FreeBSD 12.1-RELEASE and
FreeBSD 12.2-RELEASE have been merged into /etc/rc.shutdown:
--- current version
+++ new version
@@ -31,11 +31,11 @@
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 #
-# $FreeBSD: releng/12.1/libexec/rc/rc.shutdown 339413 2018-10-17 16:49:11Z bz $
+# $FreeBSD: releng/12.2/libexec/rc/rc.shutdown 355480 2019-12-07 03:29:58Z emaste $
 #

 # Site-specific closing actions for daemons run by init on shutdown,
 # or before going single-user from multi-user.
 # Output and errors are directed to console by init, and the
@@ -50,10 +50,12 @@

 HOME=/
 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
 export HOME PATH

+rc_shutdown=${1:-"unspecified"}
+
 . /etc/rc.subr

 load_rc_config

 # reverse_list list
@@ -77,10 +79,11 @@
        debug "Initiating watchdog timer."
        sleep $rcshutdown_timeout && (
                _msg="$rcshutdown_timeout second watchdog"
                _msg="$_msg timeout expired. Shutdown terminated."
                logger -t rc.shutdown "$_msg"
+               echo
                echo "$_msg"
                date
                kill -KILL $$ >/dev/null 2>&1
        ) &
        _rcshutdown_watchdog=$!
Does this look reasonable (y/n)? y