scripts: gha: build tarball for dedicated server

scripts/gha/build_linux.sh

@@ -6,6 +6,10 @@ APP=xash3d-fwgs
 APPDIR=$APP.AppDir
 APPIMAGE=$APP-$ARCH.AppImage
 
+DS=xashds-linux
+DSDIR=$DS-$ARCH
+DSTARGZ=$DS-$ARCH.tar.gz
+
 build_sdl2()
 {
 	cd "$BUILDDIR"/SDL2_src || die
@@ -103,14 +107,23 @@ EOF
 	./appimagetool.AppImage "$APPDIR" "$APPIMAGE"
 }
 
+build_dedicated_tarball()
+{
+	cd "$BUILDDIR" || die
+
+	./waf install --destdir=$DSDIR || die
+
+	tar -czvf $DSTARGZ $DSDIR
+}
+
 mkdir -p artifacts/
 
 rm -rf build # clean-up build directory
 build_engine dedicated
-mv build/engine/xash artifacts/xashds-linux-$ARCH
+build_dedicated_tarball
+mv $DSTARGZ artifacts/
 
-rm -rf build
 build_sdl2
-build_engine full
+build_engine full # don't rebuild some common parts twice
 build_appimage
 mv $APPIMAGE artifacts/