默认使用 bash

Signed-off-by: a1012112796 <1012112796@qq.com>

Dockerfile

@@ -8,4 +8,8 @@ RUN apt-get -qq update && apt-get -qq -y --no-install-recommends install \
     cmake \
     git \
     debhelper \
-    devscripts
+    devscripts \
+    bash && \
+    apt-get autoclean && \
+    rm -rf /var/lib/apt/lists/* && \
+    ln -sf /bin/bash /bin/sh