15954: Tweak bundler sanity check.

"gem install bundler -v 2.0.2 && bundle version" might report a
previously installed version newer than 2.0.2.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@tomclegg.ca>

diff --git a/build/run-tests.sh b/build/run-tests.sh
index f21861762db80b40535c6d0522a379b12dadca1b..2bcfbb84d2d76fec6be521053d0831a0315937c5 100755 (executable)
--- a/build/run-tests.sh
+++ b/build/run-tests.sh
@@ -554,7 +554,7 @@ setup_ruby_environment() {
             export HOME=$GEMHOME
             ("$bundle" version | grep -q 2.0.2) \
                 || gem install --user bundler -v 2.0.2
-            "$bundle" version | grep 2.0.2
+            "$bundle" version | tee /dev/stderr | grep -q 'version 2'
         ) || fatal 'install bundler'
     fi
 }