Test for 5701.

regress/respawn-pane-empty.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# respawn-pane -k -E leaves an empty pane, which must not be treated as exited
+# when the process it replaced is reaped
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+$TMUX kill-server 2>/dev/null
+sleep 1
+
+# The only pane of the only session: the server must not exit.
+$TMUX new -d 'sleep 1000' || exit 1
+$TMUX respawn-pane -k -E || exit 1
+sleep 1
+$TMUX has-session -t0 2>/dev/null || exit 1
+$TMUX kill-server 2>/dev/null
+sleep 1
+
+# With remain-on-exit the pane must not be dead or keep the old tty.
+$TMUX new -d 'sleep 1000' \; set -g remain-on-exit on || exit 1
+$TMUX respawn-pane -k -E || exit 1
+sleep 1
+[ "$($TMUX display -p '#{pane_dead}:#{pane_tty}')" = "0:" ] || exit 1
+$TMUX kill-server 2>/dev/null
+
+exit 0