From 1957f1d202c0fdabd28bfc107b9f7f673d631ce4 Mon Sep 17 00:00:00 2001
From: Florian Ruppel <f.ruppel@shopware.com>
Date: Mon, 20 Jul 2026 13:17:12 +0200
Subject: [PATCH] Retry dependency clones with HTTP/1.1 and verbose transfer
 log

The partial-clone change (#181) did not resolve the intermittent
'Failed sending HTTP request' errors when cloning SwagCommercial: the
failures occur within ~60ms, before any pack data is transferred, so
transfer volume was not the bottleneck.

curl error 55 at that stage is a typical symptom of an HTTP/2 stream
reset while the request body is being sent. SwagCommercial's fetch
negotiation request is ~15x larger than that of other dependencies
(3707 refs vs ~250), which matches it being the only repo affected.
None of the involved actions changed when the failures started
(2026-07-18), pointing at a runner-image or transport-level change.

Retry attempts now force http.version=HTTP/1.1 and enable
GIT_CURL_VERBOSE (auth headers are redacted by git). If retries
succeed consistently while first attempts keep failing, HTTP/2 is
confirmed as the trigger and can be disabled for the first attempt
as well; if they keep failing, the verbose log shows where the
connection breaks.
---
 setup-extension/action.yml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/setup-extension/action.yml b/setup-extension/action.yml
index a2624c3..8464e60 100644
--- a/setup-extension/action.yml
+++ b/setup-extension/action.yml
@@ -238,9 +238,19 @@ runs:
           fi
 
           for attempt in 1 2 3; do
+            git_flags=()
+            if [ "${attempt}" -gt 1 ]; then
+              # 'Failed sending HTTP request' (curl error 55) is a typical symptom of an
+              # HTTP/2 stream reset while the request body is being sent. Retry attempts
+              # force HTTP/1.1 and log the transfer verbosely (auth headers are redacted
+              # by git) so we can pin down where the connection breaks.
+              git_flags+=(-c http.version=HTTP/1.1)
+              export GIT_CURL_VERBOSE=1
+            fi
             # Partial clone (lazy blobs): full ref list for the .auto branch checkout below,
             # but skips historic blobs, which drastically reduces transfer size for large repos
-            if git clone --filter=blob:none "$dep_repo" "custom/plugins/$dep_name"; then
+            if git "${git_flags[@]}" clone --filter=blob:none "$dep_repo" "custom/plugins/$dep_name"; then
+              unset GIT_CURL_VERBOSE
               break
             fi
             rm -rf "custom/plugins/$dep_name"
@@ -251,6 +261,7 @@ runs:
             echo "::warning::cloning ${dep_name} failed (attempt ${attempt}/3); retrying in $((attempt * 5))s"
             sleep "$((attempt * 5))"
           done
+          unset GIT_CURL_VERBOSE
 
           if [ -n "${dep_branch}" ]; then
             if [ "${dep_branch}" = ".auto" ]; then