1 files changed, 26 insertions, 0 deletions
diff --git a/hooks/on_start b/hooks/on_start
new file mode 100755
index 0000000..441d6f1
--- /dev/null
+++ b/hooks/on_start
@@ -0,0 +1,26 @@
+#!/bin/sh
+# ttym on_start -- runs when a session begins.
+#
+#   $1  mode      countdown | stopwatch
+#   $2  seconds   requested duration for a countdown, 0 for a stopwatch
+#   $3  comment   the -c text, or an empty string
+#
+# stdin, stdout and stderr are /dev/null: printing here goes nowhere and
+# cannot corrupt the redrawn progress line. timer waits for this to exit,
+# so keep it quick or background the slow part with &.
+
+mode=$1 seconds=$2 comment=$3
+
+# Name the terminal window after what is running.
+case $TERM in
+xterm*|rxvt*|tmux*|screen*|alacritty|foot*)
+	if [ "$mode" = countdown ]; then
+		printf '\033]0;timer %sm %s\007' "$((seconds / 60))" "$comment" > /dev/tty
+	else
+		printf '\033]0;stopwatch %s\007' "$comment" > /dev/tty
+	fi
+	;;
+esac
+
+# Pause music while a countdown runs (uncomment to use):
+# [ "$mode" = countdown ] && playerctl pause 2>/dev/null