The previous commit, but better

.travis.yml

@@ -9,10 +9,19 @@ julia:
   - nightly
 notifications:
   email: false
-allow_failures:
-  julia:
-    - nightly
-before_script:
-  - if [ $(uname) = "Linux" ]; then alias julia="xvfb-run $(which julia)"; fi
+matrix:
+  allow_failures:
+    julia:
+      - 1.0
+      - nightly
+script:
+  - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
+  - julia -e 'using Pkg; Pkg.clone(pwd())'
+  - |
+      if [ $(uname) = "Linux" ]; then
+        xvfb-run julia -e 'using Pkg; Pkg.build("Tk"); Pkg.test("Tk", coverage=true)'
+      else
+        julia -e 'using Pkg; Pkg.build("Tk"); Pkg.test("Tk", coverage=true)'
+      fi
 after_success:
   - julia -e 'using Pkg; Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())';