From 03090b031ef045605b9ded880968ae88a755a552 Mon Sep 17 00:00:00 2001
From: bryan <bryanroessler@gmail.com>
Date: Thu, 21 May 2020 14:50:44 -0400
Subject: [PATCH] Reuse existing ImageBuilder archive for release versions

---
 openwrtBuild | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/openwrtBuild b/openwrtBuild
index b459217..f7afb6c 100755
--- a/openwrtBuild
+++ b/openwrtBuild
@@ -205,9 +205,13 @@ acquireImageBuilder() {
     local _url _filename
 
     if [[ "$_version" == "snapshot" ]]; then
+        # Remove existing ImageBuilders
+        [[ -f "$_source_archive" ]] && rm "$_source_archive"
         _filename="openwrt-imagebuilder-${_target//\//-}.Linux-x86_64.tar.xz"
         _url="https://downloads.openwrt.org/snapshots/targets/$_target/$_filename"
     else
+        # Reuse existing ImageBuilders
+        [[ -f "$_source_archive" ]] && return 0
         _filename="openwrt-imagebuilder-$_version-${_target//\//-}.Linux-x86_64.tar.xz"
         _url="https://downloads.openwrt.org/releases/$_version/targets/$_target/$_filename"
     fi
@@ -215,9 +219,6 @@ acquireImageBuilder() {
     # Make sources directory if it does not exist
     [[ ! -d "$_builddir/sources" ]] && mkdir -p "$_builddir/sources"
 
-    # Remove existing ImageBuilder archives
-    [[ -f "$_source_archive" ]] && rm "$_source_archive"
-
     echo "Downloading image archive"
     debug "axel -o $_source_archive $_url"
     if ! axel -o "$_source_archive" "$_url" > /dev/null 2>&1; then