Add arch to welcome (#6227)

toolkit/scripts/containerized-build/create_container_build.sh

@@ -177,6 +177,7 @@ done
 cp resources/welcome.txt $tmp_dir
 sed -i "s~<REPO_PATH>~${repo_path}~" $tmp_dir/welcome.txt
 sed -i "s~<REPO_BRANCH>~${repo_branch}~" $tmp_dir/welcome.txt
+sed -i "s~<AARCH>~$(uname -m)~" $tmp_dir/welcome.txt
 cp resources/setup_functions.sh $tmp_dir/setup_functions.sh
 sed -i "s~<TOPDIR>~${topdir}~" $tmp_dir/setup_functions.sh
 

toolkit/scripts/containerized-build/resources/welcome.txt

@@ -25,7 +25,7 @@
 *     Changes to /usr/src/mariner/SOURCES will not be available on host machine
 *     RPMs built in the container are stored at /usr/src/mariner/RPMS, and will not be available on host machine
 *     RPMs from host's <CBL-Mariner>/out/RPMs will be available in /repo
-*     Individual packages may be installed directly via\e[32m tdnf install /repo/x86_64/pkg.rpm and /repo/noarch/pkg.rpm\e[0m
+*     Individual packages may be installed directly via\e[32m tdnf install /repo/<AARCH>/pkg.rpm and /repo/noarch/pkg.rpm\e[0m
 *
 * \e[31mDirectory information:\e[0m
 *     Mariner repo path:          <REPO_PATH>