CI：改用 tarball 下载 MOOS-IvP 源码（git clone 经代理卡死）

ci/Dockerfile

@@ -5,7 +5,8 @@
 #        - MOOS-IvP built from source and installed to /usr/local
 #        - jsoncpp (the only extra dep used by pPowerManger)
 #        NOTE: github.com is unreachable from the CN runner, so MOOS-IvP
-#              is cloned via a github proxy with fallbacks.
+#              is fetched as a tarball through a github proxy (with
+#              fallbacks) instead of `git clone`.
 #=======================================================================
 
 FROM arm64v8/ubuntu:20.04
@@ -24,10 +25,28 @@ RUN sed -i \
         cmake \
         git \
         ca-certificates \
+        curl \
+        tar \
         libjsoncpp-dev \
         rsync \
     && rm -rf /var/lib/apt/lists/*
 
+#-----------------------------------------------------------------------
+# Fetch MOOS-IvP source tarball (github blocked -> try proxies then direct)
+#-----------------------------------------------------------------------
+RUN set -eux; \
+    ok=0; \
+    for p in "https://gh-proxy.com/" "https://ghfast.top/" "https://ghproxy.net/" "https://github.com/"; do \
+      if curl -fsSL --retry 3 --max-time 300 \
+          "${p}https://github.com/moos-ivp/moos-ivp/archive/refs/heads/main.tar.gz" \
+          -o /tmp/moos-ivp.tar.gz; then ok=1; break; fi; \
+    done; \
+    [ "$ok" = "1" ] || { echo "MOOS-IvP download failed"; exit 1; }; \
+    mkdir -p /opt/moos-ivp; \
+    tar -xzf /tmp/moos-ivp.tar.gz -C /opt/moos-ivp --strip-components=1; \
+    rm -f /tmp/moos-ivp.tar.gz; \
+    ls /opt/moos-ivp
+
 #-----------------------------------------------------------------------
 # Build & install MOOS-IvP (bundles MOOS core + essentials + geodesy + ivp)
 #   build-moos.sh -m  : skip GUI tools (no FLTK needed)
@@ -35,14 +54,9 @@ RUN sed -i \
 # Installs libMOOS + MOOSConfig.cmake + ivp headers/libs to /usr/local,
 # matching the layout expected by the project's top-level CMakeLists.txt.
 #-----------------------------------------------------------------------
-WORKDIR /opt
+WORKDIR /opt/moos-ivp
 
-RUN git clone --depth 1 https://gh-proxy.com/https://github.com/moos-ivp/moos-ivp.git /opt/moos-ivp \
-    || git clone --depth 1 https://ghfast.top/https://github.com/moos-ivp/moos-ivp.git /opt/moos-ivp \
-    || git clone --depth 1 https://github.com/moos-ivp/moos-ivp.git /opt/moos-ivp
-
-RUN cd /opt/moos-ivp && \
-    ./build-moos.sh -m -j"$(nproc)" && \
+RUN ./build-moos.sh -m -j"$(nproc)" && \
     make -C build/MOOS/MOOSCore install && \
     make -C build/MOOS/MOOSGeodesy install && \
     ./build-ivp.sh -n -j"$(nproc)" && \