sed dirty hack

Author: mediaslav

.travis.yml

@@ -32,7 +32,7 @@ before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
   - export PATH="$HOME/.yarn/bin:$PATH"
   # Use sed to replace the SSH URL with the public URL, then initialize submodules
-  - sed -i 's/git@github.com:/https:\/\/github.com\//' .gitmodules
+  - sed -ie 's/git@github.com:/https:\/\/github.com\//' .gitmodules
   - git submodule update --init --recursive
 
 install: