[PATCH] travis.yml: add ruby 2.5 to the test matrix

[Jason Zaman]

Ruby 2.5 is not installed by default, force reinstall with rvm

Signed-off-by: Jason Zaman <***@perfinion.com>
---

This passes on my repo:
https://travis-ci.org/perfinion/selinux/builds/381597252


.travis.yml | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 63c7a544..823af7ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,29 +11,30 @@ compiler:
env:
matrix:
# Test the last version of Python and Ruby together, with some linkers
- - PYVER=python3.6 RUBYLIBVER=2.4
- - PYVER=python3.6 RUBYLIBVER=2.4 TEST_FLAGS_OVERRIDE=1
- - PYVER=python3.6 RUBYLIBVER=2.4 LINKER=gold
- - PYVER=python3.6 RUBYLIBVER=2.4 LINKER=bfd
+ - PYVER=python3.6 RUBYLIBVER=2.5.1
+ - PYVER=python3.6 RUBYLIBVER=2.5.1 TEST_FLAGS_OVERRIDE=1
+ - PYVER=python3.6 RUBYLIBVER=2.5.1 LINKER=gold
+ - PYVER=python3.6 RUBYLIBVER=2.5.1 LINKER=bfd

# Test several Python versions
- - PYVER=python2.7 RUBYLIBVER=2.4
- - PYVER=python3.3 RUBYLIBVER=2.4
- - PYVER=python3.4 RUBYLIBVER=2.4
- - PYVER=python3.5 RUBYLIBVER=2.4
- - PYVER=pypy RUBYLIBVER=2.4
- - PYVER=pypy3 RUBYLIBVER=2.4
+ - PYVER=python2.7 RUBYLIBVER=2.5.1
+ - PYVER=python3.3 RUBYLIBVER=2.5.1
+ - PYVER=python3.4 RUBYLIBVER=2.5.1
+ - PYVER=python3.5 RUBYLIBVER=2.5.1
+ - PYVER=pypy RUBYLIBVER=2.5.1
+ - PYVER=pypy3 RUBYLIBVER=2.5.1

# Test several Ruby versions
- - PYVER=python3.6 RUBYLIBVER=2.2
+ - PYVER=python3.6 RUBYLIBVER=2.4
- PYVER=python3.6 RUBYLIBVER=2.3
+ - PYVER=python3.6 RUBYLIBVER=2.2

matrix:
exclude:
- compiler: clang
- env: PYVER=python3.6 RUBYLIBVER=2.4 LINKER=gold
+ env: PYVER=python3.6 RUBYLIBVER=2.5.1 LINKER=gold
- compiler: clang
- env: PYVER=python3.6 RUBYLIBVER=2.4 LINKER=bfd
+ env: PYVER=python3.6 RUBYLIBVER=2.5.1 LINKER=bfd

# Use Travis-CI Ubuntu 14.04 Trusty infrastructure, "full image" variant
sudo: required
@@ -98,6 +99,7 @@ before_script:
- if echo "$PYVER" | grep -q pypy ; then export PYINC=-I$($PYTHON -c 'import sys;print(sys.prefix)')/include PYLIBS= ; fi

# Find the Ruby executable with version $RUBYLIBVER
+ - rvm reinstall ruby-$RUBYLIBVER --binary
- export RUBY="$(ls -d -1 "$HOME/.rvm/rubies/ruby-$RUBYLIBVER"*/bin/ruby | head -n 1)"

# Set the linker in $CC so that it gets used everywhere