[Pkg-javascript-devel] Bug#911552: node-mocha FTBFS: in `require': cannot load such file -- bundler (LoadError)

[Helmut Grohne]

Source: node-mocha
Version: 4.1.0+ds1-2
Severity: serious
Tags: ftbfs

node-mocha fails to build from source in sbuild on unstable/amd64. A
build log ends with:

|    debian/rules override_dh_installdocs
| make[1]: Entering directory '/<<PKGBUILDDIR>>'
| jekyll build --source ./docs --destination ./docs/_site --config ./docs/_config.yml --safe --drafts
| /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require': cannot load such file -- bundler (LoadError)
|         from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
|         from /usr/lib/ruby/vendor_ruby/jekyll/plugin_manager.rb:48:in `require_from_bundler'
|         from /usr/bin/jekyll:9:in `<main>'
| make[1]: *** [debian/rules:40: override_dh_installdocs] Error 1
| make[1]: Leaving directory '/<<PKGBUILDDIR>>'
| make: *** [debian/rules:8: binary] Error 2
| dpkg-buildpackage: error: fakeroot debian/rules binary subprocess returned exit status 2

Helmut