From a37134881c4192415fd13c2981393eed3bf393ad Mon Sep 17 00:00:00 2001
From: Simon Paillard <spaillard@debian.org>
Date: Mon, 29 Apr 2013 23:52:14 +0200
Subject: Move reusable code to function rsync_protocol

---
 bin/ftpsync | 14 ++++----------
 etc/common  |  9 +++++++++
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/bin/ftpsync b/bin/ftpsync
index 23d7eb0..db8ad55 100755
--- a/bin/ftpsync
+++ b/bin/ftpsync
@@ -290,21 +290,15 @@ RSYNC=${RSYNC:-rsync}
 RSYNC_FILTER=${RSYNC_FILTER:-"--filter=protect_Archive-Update-in-Progress-${MIRRORNAME} --filter=protect_${TRACE} --filter=protect_Archive-Update-Required-${MIRRORNAME}"}
 # limit I/O bandwidth. Value is KBytes per second, unset or 0 is unlimited
 RSYNC_BW=${RSYNC_BW:-0}
+RSYNC_PROTOCOL=$(rsync_protocol)
 
 # Set the delete method to --delete-delay if protocol version is 30 or
 # greater (meaning rsync 3.0.0 or greater is used). Use --delete-after
 # otherwise.
-RSYNC_DELETE_METHOD=${RSYNC_DELETE_METHOD:-auto}
-if [ "xautox" = "x${RSYNC_DELETE_METHOD}x" ]; then
+if [ 30 -le $RSYNC_PROTOCOL ]; then
+    RSYNC_DELETE_METHOD=delay
+else
     RSYNC_DELETE_METHOD=after
-
-    RSYNC_VERSION="$(${RSYNC} --version)"
-    if [[ $RSYNC_VERSION =~ (protocol[ ]+version[ ]+([0-9]+)) ]]; then
-        if [ 30 -le ${BASH_REMATCH[2]} ]; then
-            RSYNC_DELETE_METHOD=delay
-        fi
-    fi
-    unset RSYNC_VERSION
 fi
 
 # Default rsync options for *every* rsync call
diff --git a/etc/common b/etc/common
index 0501240..de3cfac 100644
--- a/etc/common
+++ b/etc/common
@@ -232,3 +232,12 @@ savelog() {
     done
     mv "${torotate}" "${torotate}.0"
 }
+
+# Return rsync version
+rsync_protocol() {
+    RSYNC_VERSION="$(${RSYNC} --version)"
+    if [[ $RSYNC_VERSION =~ (protocol[ ]+version[ ]+([0-9]+)) ]]; then
+        echo ${BASH_REMATCH[2]}
+    fi
+    unset RSYNC_VERSION
+}
-- 
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