Update sbosrcarch wrapper script.

sbosrcarch-wrapper

@@ -0,0 +1,80 @@
+#!/bin/bash
+# Version: 0.2.0
+# Copyright (c) 2023-2026:
+#   Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
+# Licensed under the terms of the GNU General Public License version 3.
+#
+# Wrapper around /opt/bin/sbosrcarch to keep a log of the session, and email it.
+
+# Configuration.
+COMMAND="/opt/bin/sbosrcarch"
+LOGSDIR="/var/log/duplication/sbosrcarch/$(printf "%(%Y/%m)T")"
+LOGFILE="$(printf "%(%Y%m%d-%H%M%S)T")-$$"
+# Where from/to to send emails.  Comment for no emailing.
+EMAIL_FROM="\"Server: ${HOSTNAME%%.*}\" <noreply@slackware.uk.net>"
+EMAIL_TO=("Systems' Administrator <sysadmin@slackware.uk>")
+
+# Functions
+notify() {
+  [[ -n "$EMAIL_FROM" ]] && (( "${#EMAIL_TO[@]}" != 0 )) && {
+    printf "%s: %s\\n%s: %s\\n%s:\\n%s\\n" "Exit code" "$ERR" "Logfile" "$LOGSDIR/$LOGFILE.xz" "Output" "$(<"$LOGSDIR/$LOGFILE")" | mail -r "$EMAIL_FROM" -s "SboSrcArch $1" "${EMAIL_TO[@]}" >/dev/null 2>&1 || {
+      printf "%s: %s\\n" "${0##*/}" "mail command failed" >&2
+      return 1
+    }
+  }
+
+  return 0
+}
+
+# Only allow one copy of the script to run at any time.
+# shellcheck disable=SC2154
+if [[ "$FLOCK" != "$0" ]]; then
+  # shellcheck disable=SC2093
+  exec env FLOCK="$0" flock -E 10 -e -n "$0" "$0" "$@"
+  ERR="$?"
+  if (( ERR == 10 )); then
+    # File is locked, exit now.
+    exit 0
+  elif (( ERR > 0 )); then
+    printf "%s: %s\\n" "${0##*/}" "flock execution error" >&2
+    exit 1
+  fi
+fi
+
+# Logs are only for root.
+umask 027
+
+# Make sure the logs directory exists.
+# shellcheck disable=SC2174
+mkdir -p -m 750 "$LOGSDIR" 2>/dev/null || {
+  printf "%s: %s\\n" "${0##*/}" "Failed to create logs directory '$LOGSDIR'" >&2
+  exit 1
+}
+
+# Make sure the command to do the work is runnable.
+[[ ! -x "$COMMAND" ]] && {
+  printf "%s: %s\\n" "${0##*/}" "'$COMMAND' is not executable" >&2
+  exit 1
+}
+
+# Do the sbosrcarch work.
+"$COMMAND" "${@:-update}" >"$LOGSDIR/$LOGFILE" 2>&1
+ERR="$?"
+printf "\\n" >>"$LOGSDIR/$LOGFILE"
+"$COMMAND" "status" >>"$LOGSDIR/$LOGFILE" 2>&1
+
+# Tell the sysadmin what went on.
+if (( "$ERR" == 0 )); then
+  # Send a report.
+  notify "report"
+  ERR="$?"
+else
+  # sbosrcarch failed, tell the admin.
+  notify "failure" || [[ -x /opt/bin/pushover-client ]] && /opt/bin/pushover-client "mirroring" -p -1 -s "SBoSrcArch failure" -m "Check log in email"
+  ERR="1"
+fi
+
+# Compress the log to save some space.
+xz -9 "$LOGSDIR/$LOGFILE" 2>/dev/null || printf "%s: %s\\n" "${0##*/}" "failed to compress '$LOGSDIR/$LOGFILE'" >&2
+
+exit "$ERR"