Building catkin in Dockerfile much faster than github actions develop…

…ment, can port to that later

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "core/catkin"]
 	path = core/catkin
 	url = [email protected]:ros/catkin
+[submodule "core/catkin_pkg"]
+	path = core/catkin_pkg
+	url = [email protected]:ros-infrastructure/catkin_pkg

Dockerfile

@@ -0,0 +1,22 @@
+FROM ubuntu:20.04
+
+ENV DEBIAN_FRONTEND="noninteractive"
+
+# be able to source files
+RUN rm /bin/sh && ln -s /bin/bash /bin/sh
+
+RUN apt-get update
+RUN apt-get install -y build-essential
+RUN apt-get install -y git
+RUN git clone https://github.com/ros-infrastructure/catkin_pkg
+RUN apt-get install -y python3
+RUN apt-get install -y python3-setuptools
+RUN cd catkin_pkg && python3 setup.py install
+
+RUN apt-get install -y cmake
+
+RUN git clone https://github.com/ros/catkin
+RUN mkdir build/catkin -p
+RUN apt-get install -y python3-empy
+RUN apt-get install -y python-is-python3
+RUN cd build/catkin && cmake ../../catkin -DCATKIN_BUILD_BINARY_PACKAGE=OFF -DCMAKE_INSTALL_PREFIX=/opt/ros/noetic -DPYTHON_EXECUTABLE=/usr/bin/python -DSETUPTOOLS_DEB_LAYOUT=OFF && make && make install