bundler-GH-4392.sh

#!/bin/bash

set -ex

# Reproduce bundler issue:
# https://github.com/bundler/bundler/issues/4392

rm -rf /tmp/bundler-GH-4392
mkdir -p /tmp/bundler-GH-4392
cd /tmp/bundler-GH-4392

cat > Gemfile <<EOF
source 'https://rubygems.org'
gemspec
EOF

cat > my_gem_not.gemspec <<EOF
Gem::Specification.new do |s|
  s.name         = 'my_gem'
  s.version      = '0.0.1'
  s.author       = 'Author'
  s.summary      = 'Summary'
  s.files        = []
end
EOF

# Expected:
#   bundle package to succeed.
# Result:
#   bundle package fails in an apparent infinite loop.

bundle _1.12.0.rc_ package --all

rubygems/bundler#4392