GitLab CI: Copy over the build:ubuntu-dist job from master.

.gitlab-ci.yml

@@ -66,6 +66,22 @@ clang-10: &clang-10
     CC: clang-10
     CXX: clang++-10
 
+build:ubuntu-dist:
+  extends: .build-ubuntu
+  script:
+    - perl ../tools/make-version.pl --set-release || ../perl make-version.pl --set-release
+    - cmake -G Ninja $CMAKE_ARGS -DENABLE_CCACHE=ON ..
+    - packaging/source/git-export-release.sh -d .
+    - mv -v wireshark-*.tar.* "$CI_PROJECT_DIR"/
+  after_script:
+    # - ccache --max-size $( du --summarize --block-size=1M "$CI_PROJECT_DIR/build" | awk '{printf ("%dM", $1 * 1.5)}' )
+    - for digest in sha256 rmd160 sha1 ; do openssl $digest wireshark-*.tar.* ; done
+    # This will break if we produce multiple tarballs, which is arguably a good thing.
+    - if [ -n "$AWS_ACCESS_KEY_ID" ] && [ -n "$AWS_SECRET_ACCESS_KEY" ] && [ -n "$S3_DESTINATION_DIST" ] ; then aws s3 cp wireshark-*.tar.* "$S3_DESTINATION_DIST/" ; fi
+  artifacts:
+    paths:
+      - wireshark-*.tar.*
+
 build:rpm-centos-7:
   <<: *build-rpm
   image: wireshark/wireshark-centos-7-dev