From 7c8f7d3f201b89c2e1fb1aca4b7289964469cba8 Mon Sep 17 00:00:00 2001
From: Kouki Higashikawa <ame.kh000@gmail.com>
Date: Mon, 3 Apr 2017 11:49:54 +0900
Subject: [PATCH] [fzf-tmux] Close with exit code 130 when tmux pane is killed

Fix #796
---
 bin/fzf-tmux | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/bin/fzf-tmux b/bin/fzf-tmux
index d7185a2..b01d995 100755
--- a/bin/fzf-tmux
+++ b/bin/fzf-tmux
@@ -144,8 +144,12 @@ cleanup() {
       kill-window -t $tmp_window \; \
       resize-pane -Z
   fi
+
+  if [ $# -gt 0 ]; then
+    exit 130
+  fi
 }
-trap cleanup EXIT SIGINT SIGTERM
+trap 'cleanup 1' SIGUSR1
 
 envs="env TERM=$TERM "
 [[ -n "$FZF_DEFAULT_OPTS"    ]] && envs="$envs FZF_DEFAULT_OPTS=$(printf %q "$FZF_DEFAULT_OPTS")"
@@ -164,18 +168,22 @@ for arg in "${args[@]}"; do
   opts="$opts \"$arg\""
 done
 
+pppid=$$
+trap_set="trap 'kill -SIGUSR1 $pppid' EXIT SIGINT SIGTERM"
+trap_unset="trap - EXIT SIGINT SIGTERM"
+
 if [[ -n "$term" ]] || [[ -t 0 ]]; then
   cat <<< "\"$fzf\" $opts > $fifo2; echo \$? > $fifo3 $close" > $argsf
   TMUX=$(echo $TMUX | cut -d , -f 1,2) tmux set-window-option synchronize-panes off \;\
     set-window-option remain-on-exit off \;\
-    split-window $opt "cd $(printf %q "$PWD");$envs bash $argsf" $swap \
+    split-window $opt "$trap_set;cd $(printf %q "$PWD");$envs bash $argsf;$trap_unset" $swap \
     > /dev/null 2>&1
 else
   mkfifo $fifo1
   cat <<< "\"$fzf\" $opts < $fifo1 > $fifo2; echo \$? > $fifo3 $close" > $argsf
   TMUX=$(echo $TMUX | cut -d , -f 1,2) tmux set-window-option synchronize-panes off \;\
     set-window-option remain-on-exit off \;\
-    split-window $opt "$envs bash $argsf" $swap \
+    split-window $opt "$trap_set;$envs bash $argsf;$trap_unset" $swap \
     > /dev/null 2>&1
   cat <&0 > $fifo1 &
 fi