From 962cc127f07ef1980a49cd0355df3ad78a48bc82 Mon Sep 17 00:00:00 2001
From: bensteinberg <bsteinberg@law.harvard.edu>
Date: Thu, 10 Aug 2023 14:04:58 -0400
Subject: [PATCH] Check for absence of repository

---
 update_tags.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/update_tags.py b/update_tags.py
index bd3c39e..8d5ebb5 100644
--- a/update_tags.py
+++ b/update_tags.py
@@ -82,7 +82,12 @@ def remote_tag_exists(tag):
 
     # can we assume https?
     r = requests.get(f'https://{host}/v2/{repository}/tags/list')
-    return version in r.json()['tags']
+    if r.status_code == 404:
+        # this repository doesn't exist yet; there may be other conditions
+        # we should check here
+        return False
+    else:
+        return version in r.json()['tags']
 
 
 def main(docker_compose_path='docker-compose.yml', action='load'):