[CI] Force HTTP/1.1 for runtime Git installs (#55044)

Signed-off-by: Kevin Luu <51931015+khluu@users.noreply.github.com>

Kevin H. Luu committed Sep 2, 2026 at 19:14 UTC 5e4e927b5e3a1cc7c1debe11e503a78ea241689f
2 files changed +12
.buildkite/test_areas/misc.yaml
+6
@@ -44,6 +44,12 @@ steps:
44 device: h200_35gb
45 key: v1-core-kv-metrics
46 timeout_in_minutes: 80
47 + env:
48 + # GitHub intermittently rejects HTTP/2 upload-pack requests from the H200
49 + # CI image. Force Git's smart protocol to use HTTP/1.1 for source installs.
50 + GIT_CONFIG_COUNT: "1"
51 + GIT_CONFIG_KEY_0: http.version
52 + GIT_CONFIG_VALUE_0: HTTP/1.1
53 source_file_dependencies:
54 - vllm/config/
55 - vllm/distributed/
.buildkite/test_areas/models_language.yaml
+6
@@ -61,6 +61,12 @@ steps:
61 device: h200_35gb
62 key: language-models-tests-hybrid
63 timeout_in_minutes: 65
64 + env:
65 + # GitHub intermittently rejects HTTP/2 upload-pack requests from the H200
66 + # CI image. Force Git's smart protocol to use HTTP/1.1 for source installs.
67 + GIT_CONFIG_COUNT: "1"
68 + GIT_CONFIG_KEY_0: http.version
69 + GIT_CONFIG_VALUE_0: HTTP/1.1
70 source_file_dependencies:
71 - vllm/
72 - "!vllm/distributed/kv_transfer/"