debug! why jruby fails to scan rails version?

Author: pirj

.travis.yml

@@ -44,10 +44,6 @@ matrix:
         - RAILS_VERSION='~>6.0'
         - JRUBY_OPT=--dev
         - JAVA_OPTS="--add-opens java.base/sun.nio.ch=org.jruby.dist --add-opens java.base/java.io=org.jruby.dist --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.security=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.security.cert=ALL-UNNAMED --add-opens=java.base/java.util.zip=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.util.regex=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/javax.crypto=ALL-UNNAMED --add-opens=java.management/sun.management=ALL-UNNAMED"
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~>6.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~>6.0'
 
     # Rails 5.2 builds >= 2.2.2
     - rvm: jruby-head
@@ -56,33 +52,5 @@ matrix:
         - RAILS_VERSION='~> 5.2.0'
         - JRUBY_OPT=--dev
         - JAVA_OPTS="--add-opens java.base/sun.nio.ch=org.jruby.dist --add-opens java.base/java.io=org.jruby.dist --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.security=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.security.cert=ALL-UNNAMED --add-opens=java.base/java.util.zip=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.util.regex=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/javax.crypto=ALL-UNNAMED --add-opens=java.management/sun.management=ALL-UNNAMED"
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~> 5.2.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 5.2.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 5.2.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 5.2.0'
-
-    # Rails 5.1 Builds >= 2.2.2
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 5.1.0'
-
-    # Rails 5.0 Builds >= 2.2.2
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 5.0.0'
 
   fast_finish: true

script/downgrade_bundler_on_old_rails

@@ -5,6 +5,14 @@
 set -e
 source script/functions.sh
 
+echo debug
+echo $RAILS_VERSION
+echo $(ruby -e "puts(ENV['RAILS_VERSION'])")
+echo $(ruby -e "puts(ENV['RAILS_VERSION'].scan(/\d+\.\d+.\d+/))")
+echo $(ruby -e "puts(ENV['RAILS_VERSION'].scan(/\d+\.\d+.\d+/)[0])")
+echo $(ruby -e "puts(ENV['RAILS_VERSION'].scan(/\d+\.\d+.\d+/)[0].to_f)")
+echo $(ruby -e "exit(ENV['RAILS_VERSION'].scan(/\d+\.\d+.\d+/)[0].to_f < 5)")
+
 if ruby -e "exit(ENV['RAILS_VERSION'].scan(/\d+\.\d+.\d+/)[0].to_f < 5)"; then
   # On Rails versions less than 5, Bundler 2.0 is not supported
   echo "Warning dowgrading to older version of Bundler"