[DRE-maint] Bug#888149: ruby-escape-utils: FTBFS on ruby2.5: property file encoding: UTF-8

[Chris West (Faux)]

Source: ruby-escape-utils
Version: 1.1.0-1
Severity: important
User: debian-ruby at lists.debian.org
Usertags: ruby2.5

Dear Maintainer,

This package fails to build against ruby2.5. Soon, there will
be a transition to ruby2.5, and this package will FTBFS in sid.

There may be some details on the wiki about common problems:
https://wiki.debian.org/Teams/Ruby/Ruby25Transition

Build log excerpt:


87 runs, 889 assertions, 0 failures, 0 errors, 0 skips
/usr/bin/ruby2.5 /usr/bin/gem2deb-test-runner

┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.5 from debian/ruby-tests.rb                              │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/build/ruby-escape-utils-1.1.0/debian/ruby-escape-utils/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.5.0:/build/ruby-escape-utils-1.1.0/debian/ruby-escape-utils/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-escape-utils/usr/share/rubygems-integration/2.5.0:/root/.gem/ruby/2.5.0:/var/lib/gems/2.5.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0:/usr/share/rubygems-integration/2.5.0:/usr/share/rubygems-integration/all ruby2.5 debian/ruby-tests.rb
Run options: --seed 52013

# Running:

...........F....................................................................F......

Finished in 0.077953s, 1116.0561 runs/s, 11378.6407 assertions/s.

  1) Failure:
UrlEscapeTest#test_cgi_stdlib_compatibility [/build/ruby-escape-utils-1.1.0/test/url/escape_test.rb:12]:
--- expected
+++ actual
@@ -1 +1,2 @@
-"~"
+# encoding: UTF-8
+"%7E"


  2) Failure:
UriComponentEscapeTest#test_cgi_equivalence [/build/ruby-escape-utils-1.1.0/test/uri_component/escape_test.rb:14]:
--- expected
+++ actual
@@ -1 +1,2 @@
-"~"
+# encoding: UTF-8
+"%7E"


87 runs, 887 assertions, 2 failures, 0 errors, 0 skips
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /build/ruby-escape-utils-1.1.0/debian/ruby-escape-utils returned exit code 1
debian/rules:15: recipe for target 'binary' failed
make: *** [binary] Error 1
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

Full build log:
https://rbuild.fau.xxx/2018-01-23/ruby-escape-utils.log

Please fix it!

Cheers,
Chris.