[Reproducible-builds] Bug#794164: FTBFS: NameError: uninitialized constant Diff::LCS::Hunk

[Chris West (Faux)]

Source: ruby-diff-lcs
Version: 1.2.5-1
Severity: serious
Tags: sid stretch
Justification: fails to build from source
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs

Dear Maintainer,

The package fails to build:

Failures:

  1) Diff::LCS::Hunk should be able to produce a unified diff from the two pieces
     Failure/Error: let(:hunk)     { Diff::LCS::Hunk.new(old_data, new_data, pieces[0], 3, 0) }
     NameError:
       uninitialized constant Diff::LCS::Hunk
     # ./spec/hunk_spec.rb:15:in `block (2 levels) in <top (required)>'
     # ./spec/hunk_spec.rb:23:in `block (2 levels) in <top (required)>'

  2) Diff::LCS::Hunk should be able to produce a context diff from the two pieces
     Failure/Error: let(:hunk)     { Diff::LCS::Hunk.new(old_data, new_data, pieces[0], 3, 0) }
     NameError:
       uninitialized constant Diff::LCS::Hunk
     # ./spec/hunk_spec.rb:15:in `block (2 levels) in <top (required)>'
     # ./spec/hunk_spec.rb:35:in `block (2 levels) in <top (required)>'

Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/ruby-diff-lcs.html

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.19.0-23-generic (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)