Only upload docs when running Rust nightly

SimonSapin · SimonSapin · commit cb1a8cc9f86f · 2015-07-19T19:59:54.000+02:00
This will avoid duplicate uploads when Travis-CI runs with multiple Rust version like in servo/tendril#14
diff --git a/travis-doc-upload.sh b/travis-doc-upload.sh
@@ -7,6 +7,8 @@ set -e
 
 . ./scripts/travis-doc-upload.cfg
 
+[ "$TRAVIS_RUST_VERSION" = "nightly" ]
+
 [ "$TRAVIS_BRANCH" = master ]
 
 [ "$TRAVIS_PULL_REQUEST" = false ]
