ci: load .bashrc

Author: markosamuli

.travis.yml

@@ -64,4 +64,7 @@ script:
     && (echo 'Idempotence test: pass' && exit 0)
     || (echo 'Idempotence test: fail' && exit 1)
 
-  - bash -c 'command -v brew && brew --version'
+  - >
+    source ~/.bashrc
+    && command -v brew
+    && brew --version