Add RPM support to docker build

docker/Dockerfile

@@ -7,7 +7,8 @@ RUN dpkg --add-architecture i386 && \
     apt-get update && \
     apt-get install -y npm wine wine32 && \
     apt-get install -y build-essential devscripts lintian diffutils patch \
-            patchutils quilt git dgit
+            patchutils quilt git && \
+    apt-get install -y rpm
 
 VOLUME /build/gridtracker
 VOLUME /build/dist

docker/build-all.sh

@@ -2,8 +2,11 @@
 apt-get -y build-dep .
 dpkg-buildpackage -uc -us
 test -d ../dist/debian || mkdir -p ../dist/debian
+test -d ../dist/rpm || mkdir -p ../dist/rpm
 mv ../*.{deb,dsc,buildinfo,changes,tar.xz} ../dist/debian
 debian/rules clean
 npm install
 npm run dist
 mv package.nw/dist/*.{exe,7z,zip,json} ../dist
+rpmbuild -D "version `node ./version.js`" --build-in-place -bb gridtracker.spec
+mv $HOME/rpmbuild/RPMS/noarch/gridtracker-*.noarch.rpm ../dist/rpm