Bundler 2.2.32 bug

README.md

$ git clone https://gist.github.com/mtsmfm/28e60587643c8fad6031b01c98b0b8cb
$ cd 28e60587643c8fad6031b01c98b0b8cb
$ bundle
$ bundle

Gemfile

source "https://rubygems.org"

gem "testgem", path: "."

log.txt

$ bundle 
Using bundler 2.2.32
Bundle complete! 1 Gemfile dependency, 1 gem now installed.
Bundled gems are installed into `/vendor/bundle/2.7.4`
--- ERROR REPORT TEMPLATE -------------------------------------------------------

```
NoMethodError: undefined method `metadata' for nil:NilClass
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli/common.rb:22:in `block in output_fund_metadata_summary'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli/common.rb:22:in `count'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli/common.rb:22:in `output_fund_metadata_summary'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli/install.rb:85:in `run'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli.rb:253:in `block in install'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/settings.rb:131:in `temporary'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli.rb:252:in `install'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli.rb:31:in `dispatch'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/cli.rb:25:in `start'
  /usr/local/bundle/gems/bundler-2.2.32/exe/bundle:49:in `block in <top (required)>'
  /usr/local/bundle/gems/bundler-2.2.32/lib/bundler/friendly_errors.rb:103:in `with_friendly_errors'
  /usr/local/bundle/gems/bundler-2.2.32/exe/bundle:37:in `<top (required)>'
  /usr/local/bundle/bin/bundle:23:in `load'
  /usr/local/bundle/bin/bundle:23:in `<main>'
```

## Environment

```
Bundler       2.2.32
  Platforms   ruby, x86_64-linux
Ruby          2.7.4p191 (2021-07-07 revision a21a3b7d23704a01d34bd79d09dc37897e00922a) [x86_64-linux]
  Full Path   /usr/local/bin/ruby
  Config Dir  /usr/local/etc
RubyGems      3.2.32
  Gem Home    /vendor/bundle/2.7.4/ruby/2.7.0
  Gem Path    /vendor/bundle/2.7.4/ruby/2.7.0
  User Home   /home/quipper
  User Path   /home/quipper/.local/share/gem/ruby/2.7.0
  Bin Dir     /vendor/bundle/2.7.4/ruby/2.7.0/bin
OpenSSL       
  Compiled    OpenSSL 1.1.1d  10 Sep 2019
  Loaded      OpenSSL 1.1.1d  10 Sep 2019
  Cert File   /usr/lib/ssl/cert.pem
  Cert Dir    /usr/lib/ssl/certs
Tools         
  Git         2.20.1
  RVM         not installed
  rbenv       not installed
  chruby      not installed
```

## Bundler Build Metadata

```
Built At          2021-11-23
Git SHA           20d4957649
Released Version  true
```

## Bundler settings

```
app_config
  Set via BUNDLE_APP_CONFIG: "/usr/local/bundle"
jobs
  Set via BUNDLE_JOBS: 4
path
  Set via BUNDLE_PATH: "/vendor/bundle/2.7.4"
silence_root_warning
  Set via BUNDLE_SILENCE_ROOT_WARNING: true
```

## Gemfile

### Gemfile

```ruby
source "https://rubygems.org"

gem "testgem", path: "."
```

### Gemfile.lock

```
PATH
  remote: .
  specs:

GEM
  remote: https://rubygems.org/
  specs:

PLATFORMS
  x86_64-linux

DEPENDENCIES
  testgem!

BUNDLED WITH
   2.2.32
```

--- TEMPLATE END ----------------------------------------------------------------

Unfortunately, an unexpected error occurred, and Bundler cannot continue.

First, try this link to see if there are any existing issue reports for this error:
https://github.com/rubygems/rubygems/search?q=undefined+method+%60metadata%27+for+nil+NilClass&type=Issues

If there aren't any reports for this error yet, please fill in the new issue form located at https://github.com/rubygems/rubygems/issues/new?labels=Bundler&template=bundler-related-issue.md, and copy and paste the report template above in there.

testgem.gemspec

Gem::Specification.new do |spec|
  spec.name    = 'testgem'
  spec.version = '0.0.0dev'
  spec.authors = ['Test']
  spec.email   = ['test@example.com']
  spec.summary = 'test'

  spec.files = []
  spec.executables   = []
  spec.require_paths = ['lib']
end