From fa791f607a6489bf1bdbf951fa3febf40415198c Mon Sep 17 00:00:00 2001
From: Simon Flood <simonflood@users.noreply.github.com>
Date: Mon, 15 Jul 2024 19:19:27 +0100
Subject: [PATCH] Update harv-purge-images.sh

added tests to check for local copies of image-lists.tar.gz file for offline working
---
 bin/harv-purge-images.sh | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/bin/harv-purge-images.sh b/bin/harv-purge-images.sh
index 126accb..926169f 100644
--- a/bin/harv-purge-images.sh
+++ b/bin/harv-purge-images.sh
@@ -31,11 +31,23 @@ collect_image_list() {
   mkdir "$TMP_DIR"/"$prev_ver"
   mkdir "$TMP_DIR"/"$cur_ver"
   
-  echo "Fetching $prev_ver image lists..."
-  curl -fL https://releases.rancher.com/harvester/"$prev_ver"/image-lists.tar.gz -o "$TMP_DIR"/"$prev_ver"/image-lists.tar.gz
+  if [ -e image-lists-$prev_ver.tar.gz ]
+  then
+    echo "Using local $prev_ver image lists..."
+    cp image-lists-$prev_ver.tar.gz "$TMP_DIR"/"$prev_ver"/image-lists.tar.gz
+  else
+    echo "Fetching $prev_ver image lists..."
+    curl -fL https://releases.rancher.com/harvester/"$prev_ver"/image-lists.tar.gz -o "$TMP_DIR"/"$prev_ver"/image-lists.tar.gz
+  fi
   tar -zxvf "$TMP_DIR"/"$prev_ver"/image-lists.tar.gz -C "$TMP_DIR"/"$prev_ver"/
-  echo "Fetching $cur_ver image lists..."
-  curl -fL https://releases.rancher.com/harvester/"$cur_ver"/image-lists.tar.gz -o "$TMP_DIR"/"$cur_ver"/image-lists.tar.gz
+  if [ -e image-lists-$cur_ver.tar.gz ]
+  then
+    echo "Using local $cur_ver image lists..."
+    cp image-lists-$cur_ver.tar.gz "$TMP_DIR"/"$cur_ver"/image-lists.tar.gz
+  else
+    echo "Fetching $cur_ver image lists..."
+    curl -fL https://releases.rancher.com/harvester/"$cur_ver"/image-lists.tar.gz -o "$TMP_DIR"/"$cur_ver"/image-lists.tar.gz
+  fi
   tar -zxvf "$TMP_DIR"/"$cur_ver"/image-lists.tar.gz -C "$TMP_DIR"/"$cur_ver"/
   
   prev_image_list="$TMP_DIR"/prev_image_list.txt