From edf6307524829ccb41d8eda81478304fb2678768 Mon Sep 17 00:00:00 2001
From: Takeshi Takizawa <takitake.create@gmail.com>
Date: Wed, 28 Aug 2019 19:22:42 +0900
Subject: [PATCH] Support no backup file case.

If there is no backup file then `grep` exit with nonzero code.
So use `find` instead of it.
---
 backup/pvc/bin/run.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backup/pvc/bin/run.sh b/backup/pvc/bin/run.sh
index 29f0eb96..e4649fb3 100644
--- a/backup/pvc/bin/run.sh
+++ b/backup/pvc/bin/run.sh
@@ -10,6 +10,6 @@ do
     sleep 10
     if [[ ! -z "${BACKUP_COUNT}" ]]; then
         echo "Trimming to only ${BACKUP_COUNT} recent backups in preparation for new backup"
-        ls ${BACKUP_DIR} | sort -gr | grep 'tar.gz' | tail -n +$((BACKUP_COUNT +1)) | xargs -I '{}' rm ${BACKUP_DIR}/'{}'
+        find ${BACKUP_DIR} -name '*.tar.gz' -exec basename {} \; | sort -gr | tail -n +$((BACKUP_COUNT +1)) | xargs -I '{}' rm ${BACKUP_DIR}/'{}'
     fi
-done
\ No newline at end of file
+done