Files
tmux/regress/side-status-prompt.sh
2026-10-16 09:02:03 +01:00

84 lines
2.1 KiB
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#!/bin/sh
# A pane prompt redrawn after the pane scrolls stays beside the side status
# line. With side-status left the pane is not full width, so scrolling is
# redrawn as damage, which draws the prompt again over the pane.
PATH=/bin:/usr/bin
TERM=screen
LC_ALL=C.UTF-8
export PATH TERM LC_ALL
[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
DIR=$(mktemp -d) || exit 1
TRIGGER=$DIR/trigger
CAPTURE=$DIR/capture
cleanup()
{
$TMUX2 kill-server >/dev/null 2>&1
$TMUX kill-server >/dev/null 2>&1
rm -rf "$DIR"
}
trap cleanup 0 1 15
fail()
{
echo "$*" >&2
[ -s "$CAPTURE" ] && cat "$CAPTURE" >&2
exit 1
}
wait_outer_has()
{
i=0
while [ "$i" -lt 50 ]; do
$TMUX2 capture-pane -p -t outer:0.0 >"$CAPTURE" 2>/dev/null
grep -q "$1" "$CAPTURE" && return 0
sleep 0.1
i=$((i + 1))
done
fail "outer client did not show $1"
}
# The pane waits for the trigger, then prints enough lines to scroll.
$TMUX new-session -d -s inner -n work -x 60 -y 20 "sh -c '
while [ ! -e $TRIGGER ]; do sleep 0.1; done
i=0
while [ \$i -lt 40 ]; do i=\$((i + 1)); echo line\$i; done
exec sleep 100'" || exit 1
$TMUX set -g status off || exit 1
$TMUX set -g automatic-rename off || exit 1
$TMUX set -g side-status left || exit 1
$TMUX2 new-session -d -s outer -x 60 -y 20 'sleep 100' || exit 1
$TMUX2 set -g status off || exit 1
$TMUX2 respawn-pane -k -t outer:0.0 "$TMUX attach -t inner" || exit 1
i=0
while [ "$i" -lt 50 ]; do
CLIENT=$($TMUX list-clients -F '#{client_name}' 2>/dev/null)
[ -n "$CLIENT" ] && break
sleep 0.1
i=$((i + 1))
done
[ -n "$CLIENT" ] || fail "inner client did not attach"
$TMUX command-prompt -b -P -t "$CLIENT" -p PROMPTX 'display -p %%' ||
exit 1
wait_outer_has PROMPTX
: >"$TRIGGER"
wait_outer_has line40
sleep 0.5
# The bottom row is the side status line followed by the prompt.
$TMUX2 capture-pane -p -t outer:0.0 >"$CAPTURE" || exit 1
want="$(printf '%13s' '')│PROMPTX"
got=$(tail -n 1 "$CAPTURE")
[ "$got" = "$want" ] || fail "bottom row is '$got', expected '$want'"
exit 0