1 files changed, 29 insertions, 0 deletions
diff --git a/cmd/uptime b/cmd/uptime
new file mode 100755
index 0000000..fef74a8
--- /dev/null
+++ b/cmd/uptime
@@ -0,0 +1,29 @@
+#!/bin/sh
+# @uptime - how long the xmppcb bot has been running
+#
+# The bot exec's this script directly, so its parent process ($PPID) is
+# the xmppcb process itself; ps tells us how long that process has run.
+
+secs=$(ps -o etimes= -p "$PPID" 2>/dev/null | tr -cd '0-9')
+
+if [ -n "$secs" ]; then
+	d=$(( secs / 86400 ))
+	h=$(( secs % 86400 / 3600 ))
+	m=$(( secs % 3600 / 60 ))
+	s=$(( secs % 60 ))
+	if   [ "$d" -gt 0 ]; then up="${d}d ${h}h ${m}m ${s}s"
+	elif [ "$h" -gt 0 ]; then up="${h}h ${m}m ${s}s"
+	elif [ "$m" -gt 0 ]; then up="${m}m ${s}s"
+	else                      up="${s}s"
+	fi
+	echo "xmppcb up: $up"
+else
+	# fallback for a ps without 'etimes': raw elapsed string [dd-]hh:mm:ss
+	et=$(ps -o etime= -p "$PPID" 2>/dev/null | tr -d ' ')
+	if [ -n "$et" ]; then
+		echo "xmppcb up: $et"
+	else
+		echo "uptime: cannot read bot process (pid $PPID)"
+		exit 1
+	fi
+fi