Automatically deploy to bintray

.travis.yml

@@ -16,6 +16,8 @@ before_install: git submodule update --init
 
 env:
     global:
+        - DIST=xenial
+        - ARTIFACTS_DIR=build/travis-artifacts
         # Make sure beaver is in the PATH
         - PATH="$(git config -f .gitmodules submodule.beaver.path)/bin:$PATH"
     matrix:
@@ -24,10 +26,41 @@ env:
         - DMD=2.076.1-0 DIST=xenial F=devel
         - DMD=2.076.1-0 DIST=xenial F=production
 
+# (Ab)use Travis cache to pass artifacts between stages.
+# As long as the environment variables of different stages match, travis will
+# pull the same "cache", so we can use this to actually pass artifacts between
+# stages.
+cache:
+    directories:
+        - $ARTIFACTS_DIR
+
 install: beaver dlang install
 
 # DMD can be very memory hungry, and beaver uses make
 # -j2 by default, which means 2 DMD will run in parallel, which
 # can exhaust Travis VM memory. Because of this we override
 # this with -j1 to make sure only one DMD is ran at a time.
 script: beaver dlang make -rj1 all test
+
+jobs:
+    templates:
+        - &test-matrix
+          stage: Test
+          script:
+              - beaver dlang make
+              - beaver dlang make pkg
+              # If this is a tag, save the packages in the cache directory so
+              # it's accessible in the Upload Package stage
+              - if test -n "$TRAVIS_TAG"; then
+                    cp -v build/last/pkg/*.deb "$ARTIFACTS_DIR/";
+                fi
+    include:
+        - <<: *test-matrix
+          env: DMD=2.076.* DIST=xenial F=production
+
+        - stage: Upload Package
+          if: tag IS present
+          env: DMD=2.076.* DIST=xenial F=production
+          script:
+              - beaver bintray upload -d sociomantic-tsunami/tools/neptune
+                "$ARTIFACTS_DIR"/*.deb