Use / on end of mountpoint test in do-backup.

do-backup

@@ -9,7 +9,8 @@
 # Base configuration.
 RSYNC_OPTIONS=( '-a' '-H' '-A' '--timeout=300' '--partial' '--partial-dir=.rsync-tmp' '--delete-delay' '--delay-updates' )
 RSYNC_OPTIONS_VERBOSE=( '--verbose' '--stats' '--human-readable' )
-RSYNC_LOG="/tmp/${0##*/}-$$.log"
+RSYNC_LOG="/tmp/${0##*/}-$$-$RANDOM.log"
+LOCK_FILE="/tmp/${0##*/}-$$-$RANDOM.lock"
 
 # Sanity checks.
 (( $# != 1 )) || [[ -z "$1" ]] || [[ "$1" =~ ^(-h|-help|--help)$ ]] && {
@@ -17,6 +18,9 @@ RSYNC_LOG="/tmp/${0##*/}-$$.log"
   exit 1
 }
 
+# Remove temporary files upon exit.
+trap 'rm -f "$RSYNC_LOG"; rm -f "$LOCK_FILE"' EXIT
+
 # Get backup definition specific configuration.
 case "$1" in
   'gv0')
@@ -93,7 +97,8 @@ source /etc/mail.conf "backups" 2>/dev/null || {
 }
 
 # Make sure BACKUP_MOUNTPOINT is a mountpoint.
-mountpoint "$BACKUP_MOUNTPOINT" >/dev/null 2>&1 || {
+# Note: The / on the end if required for automount mountpoints.
+mountpoint "$BACKUP_MOUNTPOINT/" >/dev/null 2>&1 || {
   [[ -x /opt/bin/pushover-client ]] && /opt/bin/pushover-client "backups" -p -1 -m "Backup failure: ${ERRORS_SOURCE:-$RSYNC_SOURCE}"
   if [[ -n "${EMAIL_TO[*]}" ]]; then
     mailx "${MAILX_ARGS[@]}" -S "from=$EMAIL_FROM" -s "Backup failure: ${ERRORS_SOURCE:-$RSYNC_SOURCE}" "${EMAIL_TO[@]}" <<-EOF 2>/dev/null || \
@@ -138,13 +143,11 @@ ERR="$?"
 		Output:
 		$(< "$RSYNC_LOG")
 		EOF
-    RET=1
+    exit 1
   else
     printf "%s: %s\\n" "${0##*/}" "no recipient configured for mail delivery" >&2
-    RET=1
+    exit 1
   fi
 }
 
-rm -f "$RSYNC_LOG"
-
-exit "${RET:-0}"
+exit 0