From 2967f7872b005d1a1bbb985e8b348ba5f545f8d0 Mon Sep 17 00:00:00 2001
From: Michiel Scholten <michiel@diginaut.net>
Date: Sat, 2 Apr 2016 10:36:13 +0200
Subject: [PATCH] Check if target file exists

---
 bin/archive_file | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/bin/archive_file b/bin/archive_file
index 251ddb7..33c3a65 100755
--- a/bin/archive_file
+++ b/bin/archive_file
@@ -38,7 +38,10 @@ if [ $DATETIME != $PREV_DATETIME ]; then
         FILE=$(basename $FILENAME)
     fi
     TARGETFILE="${ARCHIVEDIR}/${HOSTNAME}_${DATETIME}_${FILE}"
-    cp -a $FILENAME "${TARGETFILE}"
-    gzip -9 "${TARGETFILE}"
+    if [ ! -e "${TARGETFILE}" ] && [ ! -e "${TARGETFILE}.gz" ]; then
+        # Only copy if archived version doesn't exist yet
+        cp -a $FILENAME "${TARGETFILE}"
+        gzip -9 "${TARGETFILE}"
+    fi
     echo $DATETIME > "$ARCHIVEDIR/timestamp.txt"
 fi