yes pipe too

dockerbuild/Dockerfile.debian-stretch

@@ -9,7 +9,7 @@ RUN curl -s -k $go_pkg_url -o go.tar.gz && \
     rm go.tar.gz
 RUN curl -s -L https://github.com/Kitware/CMake/releases/download/v3.17.3/cmake-3.17.3-Linux-x86_64.sh -o cmake.sh && \
     chmod +x cmake.sh && \
-    ./cmake.sh && \
+    yes | ./cmake.sh && \
     rm cmake.sh
 
 RUN groupadd -g 1000 jenkins-build && useradd -u 1000 -g 1000 jenkins-build

dockerbuild/Dockerfile.ubuntu-xenial

@@ -9,7 +9,7 @@ RUN curl -s -k $go_pkg_url -o go.tar.gz && \
     rm go.tar.gz
 RUN curl -s -L https://github.com/Kitware/CMake/releases/download/v3.17.3/cmake-3.17.3-Linux-x86_64.sh -o cmake.sh && \
     chmod +x cmake.sh && \
-    ./cmake.sh && \
+    yes | ./cmake.sh && \
     rm cmake.sh