From deeb8e0e5e91f1557706a83857401d7cbbb8e1e0 Mon Sep 17 00:00:00 2001
From: Andrew Kvalheim <andrew@kvalhe.im>
Date: Wed, 9 Oct 2024 20:44:25 -0700
Subject: [PATCH] Automatically update cached downloads
MIME-Version: 1.0
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Wget supports conditional requests:

    HTTP request sent, awaiting response... 304 Not Modified
    File ‘ubuntu-24.04-server-cloudimg-amd64-root.tar.xz’ not modified on server. Omitting download.
---
 build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index 2918db5..ceddf41 100755
--- a/build.sh
+++ b/build.sh
@@ -15,7 +15,7 @@ echo "Building Ubuntu Server dev image for $version $codename..."
 # TODO verify this file
 # TODO deal with checking for updates to this file, somehow
 filename=ubuntu-$version-server-cloudimg-amd64-root.tar.xz
-wget --no-clobber https://cloud-images.ubuntu.com/releases/$version/release/$filename
+wget --timestamping https://cloud-images.ubuntu.com/releases/$version/release/$filename
 
 if ! [ $(id -u) = 0 ]; then
 	# Need to be actual root to `mknod` things in /dev.