chore: do not install latest npm on Node 9

see npm/npm#19019
sywac · Nov 27, 2017 · e148ddb · e148ddb
1 parent 11d216a
commit e148ddb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -5,7 +5,7 @@ node_js:
   - '6'
   - '4'
 before_install:
-  - npm install -g npm@latest
+  - ! [[ $(node -v) =~ ^v9.*$ ]] && npm install -g npm@latest
   - npm install -g greenkeeper-lockfile@1
 before_script: greenkeeper-lockfile-update
 after_script: greenkeeper-lockfile-upload