Deb: test-deb supports build tag Debian revision

Packages build with a build tag as `build-deb ubuntu bionic +tag` will
have "+tag" in Debian package name as Debian revision. test-deb now will
use the package with the tag for testing purposes.

builder/dockerfile.ubuntu_bionic+libjpeg-turbo_latest.deb.test

@@ -45,7 +45,8 @@ ARG KASMVNC_PACKAGE_DIR
 COPY $KASMVNC_PACKAGE_DIR/libjpeg-turbo_*.deb /tmp
 RUN apt-get install /tmp/libjpeg-turbo*deb
 
-COPY $KASMVNC_PACKAGE_DIR/kasmvncserver_*.deb /tmp
+ARG BUILD_DEBIAN_REVISION
+COPY $KASMVNC_PACKAGE_DIR/kasmvncserver_*$BUILD_DEBIAN_REVISION*.deb /tmp
 RUN dpkg -i /tmp/*.deb; apt-get -yf install
 
 ### END CUSTOM STUFF ###

builder/os_ver_cli.sh

@@ -6,6 +6,7 @@ os_codename=${2:-$default_os_codename}
 build_tag="${3:-}"
 if [[ -n "$build_tag" ]]; then
    build_tag_for_images="_${build_tag#+}"
+   build_debian_revision="$(echo $build_tag | tr _ -)"
 fi
 os_image="$os:$os_codename"
 

builder/test-deb

@@ -7,6 +7,7 @@ cd "$(dirname "$0")"
 
 tester_image=kasmvnctester_${os}:$os_codename${build_tag_for_images}
 docker build --build-arg KASMVNC_PACKAGE_DIR="build/${os_codename}" \
+  --build-arg BUILD_DEBIAN_REVISION="$build_debian_revision" \
   -t "$tester_image" \
   -f dockerfile.${os}_${os_codename}${build_tag}.deb.test .
 docker run -it -p 443:8443 --rm \