From 2cf43dd665ab07b5c1c65fa95a55f111968aab3f Mon Sep 17 00:00:00 2001
From: EMRG Evolution <emrg@argszero.dev>
Date: Sat, 8 Aug 2026 09:34:44 +0800
Subject: [PATCH] =?UTF-8?q?emrg:=20recognize=20'remote=20end=20hung=20up'?=
 =?UTF-8?q?=20as=20connection=20error=20in=20https=E2=86=92ssh=20fallback?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Agent.md                 |  2 +-
 README.md                |  2 +-
 emrg/server/git_utils.py |  7 +++++++
 tests/test_git_utils.py  | 11 +++++++++++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Agent.md b/Agent.md
index c75557cf..bd9a8231 100644
--- a/Agent.md
+++ b/Agent.md
@@ -93,7 +93,7 @@ Community needs voiced in HN agent-UI discussions map directly to EMRG's design:
 pkill -f "emrg.server"; rm -f ~/.emrg/emrgd.port; python -m emrg
 ```
 
-Python: `uv run pytest tests/ -v` (589) — import check: `uv run python -c "from emrg.client.app import run_client"`
+Python: `uv run pytest tests/ -v` (590) — import check: `uv run python -c "from emrg.client.app import run_client"`
 GUI: `cd emrg/gui && npm test` (93: 22 daemon_client + 22 app-commands + 24 renderer smoke + 15 i18n + 7 integration + 3 commands) — syntax: `node --check main.js preload.js daemon_client.js renderer/js/*.js`
 CI: `uv run pytest` + GUI tests + **actionlint workflow lint** (`rhysd/actionlint@v1.7.12` gate, #444 — workflow 解析错误在 PR CI 即失败，如 `if:` secrets 上下文)
 Re-trigger: `scripts/re-trigger-ci.sh [branch]` (workflow_dispatch, #527 — 替代空 commit 重触发：Actions outage 会整段丢弃 push 事件，dispatch 走 API 路径不受影响)
diff --git a/README.md b/README.md
index c8cae059..e956852e 100644
--- a/README.md
+++ b/README.md
@@ -273,7 +273,7 @@ EMRG doesn't just keep up — it catches up on its own.
 git clone https://github.com/argszero/emrg.git
 cd emrg
 uv sync              # install deps
-uv run pytest tests/ -v   # run tests (currently 589 items)
+uv run pytest tests/ -v   # run tests (currently 590 items)
 uv run python -m emrg     # launch TUI
 # CI includes actionlint workflow gate (#444): workflow parse errors fail PR CI
 
diff --git a/emrg/server/git_utils.py b/emrg/server/git_utils.py
index 3ffd93a1..6df4b04b 100644
--- a/emrg/server/git_utils.py
+++ b/emrg/server/git_utils.py
@@ -84,6 +84,13 @@ def parse_gh_auth_user(output: str) -> str | None:
     "network is unreachable",
     "unable to access",
     "tls handshake timeout",
+    # "the remote end hung up unexpectedly" / "connection ... hung up" —
+    # git's classic message when a proxy/network drops the connection
+    # mid-transfer (observed on the packaged host: fetch fails with
+    # "fatal: the remote end hung up unexpectedly" while https works via
+    # proxy on retry). A network-level drop is exactly the case where an
+    # SSH retry may succeed.
+    "hung up",
 )
 
 
diff --git a/tests/test_git_utils.py b/tests/test_git_utils.py
index c72682ba..ebdc1d00 100644
--- a/tests/test_git_utils.py
+++ b/tests/test_git_utils.py
@@ -206,6 +206,17 @@ def test_is_git_connection_error_matches_connection_failures():
     assert is_git_connection_error("ssh: connect to host github.com port 22: Connection refused")
 
 
+def test_is_git_connection_error_matches_hung_up():
+    """'remote end hung up' (network drop mid-transfer) is a connection error."""
+    from emrg.server.git_utils import is_git_connection_error
+
+    assert is_git_connection_error("fatal: the remote end hung up unexpectedly")
+    assert is_git_connection_error(
+        "error: RPC failed; curl 92 HTTP/2 stream 0 was not closed cleanly: "
+        "PROTOCOL_ERROR (err 1)\nfatal: the remote end hung up unexpectedly"
+    )
+
+
 def test_is_git_connection_error_rejects_auth_and_404():
     from emrg.server.git_utils import is_git_connection_error