From 1904542c4b439611567af2a8b19e0586e1945a35 Mon Sep 17 00:00:00 2001
From: Daniel Nichter <daniel@percona.com>
Date: Fri, 4 Nov 2011 11:29:26 -0600
Subject: [PATCH] Check that pt-collect exists before starting.

---
 bin/pt-stalk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bin/pt-stalk b/bin/pt-stalk
index 21ea8e78..8af81e23 100755
--- a/bin/pt-stalk
+++ b/bin/pt-stalk
@@ -99,6 +99,11 @@ log() {
    echo "${1}" >&2
 }
 
+# Make sure pt-collect is executable before starting.
+if [ ! -x $COLLECT ]; then
+   die "$COLLECT not found or not executable"
+fi
+
 # Make the collection location
 mkdir -p "${DEST}" || die "Can't make the destination directory"
 test -d "${DEST}"  || die "${DEST} isn't a directory"