From 6df3f76b07a027955ccb49ff17d2caca788e6c19 Mon Sep 17 00:00:00 2001
From: Joonas Bergius <joonas@bergi.us>
Date: Sun, 13 Oct 2024 17:03:19 -0500
Subject: [PATCH] fix: Set Content-Length header on monolithic push session
 request

Signed-off-by: Joonas Bergius <joonas@bergi.us>
---
 src/client.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/client.rs b/src/client.rs
index 5c79d5fc..e0f381c8 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -1244,6 +1244,11 @@ impl Client {
             .apply_auth(image, RegistryOperation::Push)
             .await?
             .into_request_builder()
+            // We set "Content-Length" to 0 here even though the OCI Distribution
+            // spec does not strictly require that. In practice we have seen that
+            // certain registries require "Content-Length" to be present for all
+            // types of push sessions.
+            .header("Content-Length", 0)
             .send()
             .await?;