Updates MATLAB installation step to use the mpm executable shipped with the download archive.

Author: michaelmcdonnellmw

alternates/matlab-container-offline-install/Dockerfile

@@ -50,7 +50,7 @@ WORKDIR /home/matlab
 # If mpm fails to install successfully, then print the logfile in the terminal, otherwise clean up.
 # Pass in $HOME variable to install support packages into the user's HOME folder.
 RUN --mount=type=bind,from=archive,source=/,target=/mpm-download/ \
-    sudo HOME=${HOME} /mpm-download/mpm install \
+    sudo HOME=${HOME} /mpm-download/mpm/glnxa64/mpm install \
     --source=/mpm-download/archives \
     --destination=${MATLAB_INSTALL_LOCATION} \
     ${MATLAB_PRODUCT_LIST} \

alternates/matlab-container-offline-install/archive.Dockerfile

@@ -43,6 +43,7 @@ RUN wget -q https://www.mathworks.com/mpm/glnxa64/mpm \
     --release=${MATLAB_RELEASE} \
     --destination=${MPM_DOWNLOAD_DESTINATION} \
     --products ${MATLAB_PRODUCT_LIST} \
+    && chmod +x ${MPM_DOWNLOAD_DESTINATION}/mpm/glnxa64/mpm \
     || (echo "MPM Download Failure. See below for more information:" && cat /tmp/mathworks_root.log && false)
 
 # Move MPM and the installation files to a scratch image
@@ -52,4 +53,3 @@ FROM scratch
 ARG MPM_DOWNLOAD_DESTINATION
 
 COPY --from=download ${MPM_DOWNLOAD_DESTINATION} /
-COPY --from=download mpm /mpm