Travis:

- update Rubies, "2.4" will actually install latest 2.4.x version
- also use more recent JRuby versions
- update InfluxDB versions
- use travis_retry to hide flaky concurrent spec
- prevent RubyGems update when installing MRI 2.2 (fixes #224)

Author: dmke

.travis.yml

@@ -2,15 +2,14 @@ sudo: required
 dist: trusty
 language: ruby
 before_install:
-  - gem update --system --no-doc
-  - gem install bundler --no-doc
-  - gem update bundler --no-doc
+  - bin/travis.sh
   - bin/provision.sh
 rvm:
-  - 2.2.9
-  - 2.3.8
-  - 2.4.5
-  - 2.5.3
+  - "2.2"
+  - "2.3"
+  - "2.4"
+  - "2.5"
+  - "2.6"
   - ruby-head
 env:
   - TEST_TASK=spec
@@ -19,37 +18,42 @@ matrix:
   allow_failures:
     - rvm: jruby-head
     - rvm: ruby-head
-    - rvm: jruby-9.1.5.0
-    - rvm: 2.5.3
+    - rvm: jruby-9.1.17.0
+    - rvm: jruby-9.2.5.0
+    - rvm: "2.6"
       env: influx_version=nightly channel=nightlies
   include:
-    - rvm: 2.5.3
+    - rvm: "2.6"
       env: TEST_TASK=rubocop
-    - rvm: jruby-9.1.5.0
+
+    - rvm: jruby-9.1.17.0
+      env: JRUBY_OPTS='--client -J-XX:+TieredCompilation -J-XX:TieredStopAtLevel=1 -J-Xss2m -J-Xmx256M'
+    - rvm: jruby-9.2.5.0
+      env: JRUBY_OPTS='--client -J-XX:+TieredCompilation -J-XX:TieredStopAtLevel=1 -J-Xss2m -J-Xmx256M'
     - rvm: jruby-head
       env: JRUBY_OPTS='--client -J-XX:+TieredCompilation -J-XX:TieredStopAtLevel=1 -J-Xss2m -J-Xmx256M'
-    - rvm: 2.5.3
+
+    - rvm: "2.6"
       env: influx_version=1.0.2 pkghash=88f6c30fec2c6e612e802e23b9161fdfc7c5c29f6be036f0376326445aff0037
-    - rvm: 2.5.3
-      env: influx_version=1.1.0 pkghash=f1520a2e18e0ab47e8a8810671e07d5a47960e54f7553b78bebe7d3c7594742f
-    - rvm: 2.5.3
+    - rvm: "2.6"
+      env: influx_version=1.1.5 pkghash=0ecb9385cc008f6e5094e6e8f8ea70522023a16d4397e401898f3973176d3b21
+    - rvm: "2.6"
       env: influx_version=1.2.4 pkghash=2fac8391e04aa1bec9151e8f0d8f18df030c866af2b4963ab7d86c6ddc172182
-    - rvm: 2.5.3
-      env: influx_version=1.3.6 pkghash=6406cdd21466bcb832b967078adaa9f07cb6ae524a6579c15141692031f5f840
-    - rvm: 2.5.3
+    - rvm: "2.6"
+      env: influx_version=1.3.8 pkghash=35c9cb2943bbde04aa5e94ad6d8caf5fc9b1480bdbcde7c34078de135cc4f788
+    - rvm: "2.6"
       env: influx_version=1.4.3 pkghash=0477080f1d1cf8e1242dc7318280b9010c4c45cf6a415a2a5de607ae17fa0359
-    - rvm: 2.5.3
-      env: influx_version=1.5.2 pkghash=42fede7b497bdf30d4eb5138db218d1add986fca4fce4a8bcd9c7d6dabaf572a
-    - rvm: 2.5.3
-      env: influx_version=1.6.1 pkghash=a833ac16890182a75983c61e5fe6471ae27cbab7984d7b7361034887b7428de2
-    - rvm: 2.5.3
-      env: influx_version=1.7.0 pkghash=0615a395b3f8e68455b0a8a2584d00ff8694f62caf77468900f7cf0a77f2b8be
-    - rvm: 2.5.3
+    - rvm: "2.6"
+      env: influx_version=1.5.4 pkghash=fa6f8d3196d13ffc376d533581b534692c738181ce3427c53484c138d9e6b902
+    - rvm: "2.6"
+      env: influx_version=1.6.4 pkghash=dbfa13a0f9e38a8e7b19294c30144903bb681ac0aba0a3a8f4f349c37d5de5f9
+    - rvm: "2.6"
+      env: influx_version=1.7.2 pkghash=0bce61b7d89bf3216a7d3cb7a38423bd1c3a1b7d2ea8086b39cb26130ad78995
+    - rvm: "2.6"
       env: influx_version=nightly channel=nightlies
-  fail_fast: true
 addons:
   apt:
     packages:
       - haveged
       - libgmp-dev
-script: bundle exec rake $TEST_TASK
+script: travis_retry bundle exec rake $TEST_TASK

bin/travis.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -ex
+
+# Rubygems 3.0 requires Ruby 2.3
+if [ "$TRAVIS_RUBY_VERSION" = "2.2" ]; then
+	gem update --system 2.7.7
+else
+	gem update --system --no-doc
+fi
+
+gem install bundler --no-doc
+gem update bundler --no-doc