docker: Adjust rpm and deb packaging for multi-platform.

Signed-off-by: Jason Volk <jason@zemos.net>

docker/Dockerfile.cargo.deb

@@ -55,15 +55,16 @@ RUN \
             --output "${pkg_dir}" \
             ${deb_args}
 
-	dpkg --info ${pkg_dir}/*
-	dpkg --contents ${pkg_dir}/*
+	mv ${pkg_dir}/* "${pkg_dir}/tuwunel.deb"
+	dpkg --info "${pkg_dir}/tuwunel.deb"
+	dpkg --contents "${pkg_dir}/tuwunel.deb"
 EOF
 
 
 FROM scratch AS deb
 ARG pkg_dir
 
-COPY --from=input ${pkg_dir}/* .
+COPY --from=input ${pkg_dir}/tuwunel.deb .
 
 
 FROM input AS deb-install
@@ -76,7 +77,7 @@ WORKDIR ${pkg_dir}
 COPY --from=deb . .
 RUN <<EOF
 	set -eux
-	dpkg --info *
-	dpkg --contents *
-	dpkg --install *
+	dpkg --info tuwunel.deb
+	dpkg --contents tuwunel.deb
+	dpkg --install tuwunel.deb
 EOF

docker/Dockerfile.cargo.rpm

@@ -47,13 +47,15 @@ RUN \
 			--payload-compress zstd \
 			--output "${pkg_dir}" \
 			${gen_rpm_args}
+
+	mv ${pkg_dir}/* "${pkg_dir}/tuwunel.rpm"
 EOF
 
 
 FROM scratch AS rpm
 ARG pkg_dir
 
-COPY --link --from=input ${pkg_dir}/* .
+COPY --from=input ${pkg_dir}/tuwunel.rpm .
 
 
 FROM input AS rpm-install
@@ -66,6 +68,6 @@ WORKDIR ${pkg_dir}
 COPY --link --from=rpm . .
 RUN <<EOF
 	set -eux
-	rpm -i --test *
-	rpm -i *
+	rpm -i --test tuwunel.rpm
+	rpm -i tuwunel.rpm
 EOF