From 0fb5b76c0d5f00008123004a0e3170f357ecfa76 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sun, 10 Jul 2016 14:28:58 +0900
Subject: [PATCH] [fzf-tmux] Fail fast if fzf excutable is not found

---
 bin/fzf-tmux | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/bin/fzf-tmux b/bin/fzf-tmux
index 4ab899a..54abf4c 100755
--- a/bin/fzf-tmux
+++ b/bin/fzf-tmux
@@ -2,6 +2,14 @@
 # fzf-tmux: starts fzf in a tmux pane
 # usage: fzf-tmux [-u|-d [HEIGHT[%]]] [-l|-r [WIDTH[%]]] [--] [FZF OPTIONS]
 
+fail() {
+  >&2 echo "$1"
+  exit 2
+}
+
+fzf="$(command -v fzf 2> /dev/null)" || fzf="$(dirname "$0")/fzf"
+[[ -x "$fzf" ]] || fail 'fzf executable not found'
+
 args=()
 opt=""
 skip=""
@@ -117,13 +125,6 @@ cleanup() {
 }
 trap cleanup EXIT SIGINT SIGTERM
 
-fail() {
-  >&2 echo "$1"
-  exit 2
-}
-fzf="$(which fzf 2> /dev/null)" || fzf="$(dirname "$0")/fzf"
-[ -x "$fzf" ] || fail "fzf executable not found"
-
 envs="env TERM=$TERM "
 [ -n "$FZF_DEFAULT_OPTS"    ] && envs="$envs FZF_DEFAULT_OPTS=$(printf %q "$FZF_DEFAULT_OPTS")"
 [ -n "$FZF_DEFAULT_COMMAND" ] && envs="$envs FZF_DEFAULT_COMMAND=$(printf %q "$FZF_DEFAULT_COMMAND")"