Pod install error related to custom project configuration names

[Brett-Best]

• I've read and understood the CONTRIBUTING guidelines and have done my best effort to follow.

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What did you do?

Changed the project configuration names from Debug -> Debug - Production and Release -> Release - Production, this causes the pod install issue. Only occurs in the beta version of Cocoapods.
Ran pod install.

What did you expect to happen?

Install all pod dependencies correctly.

What happened instead?

NoMethodError - undefined method `merged_pod_target_xcconfigs' for nil:NilClass
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:166:in `block in remove_pod_target_xcconfig_overrides_from_target'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:164:in `each'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:164:in `remove_pod_target_xcconfig_overrides_from_target'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:147:in `block in add_target'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:146:in `tap'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:146:in `add_target'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:49:in `block in install!'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/user_interface.rb:145:in `message'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb:34:in `install!'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:114:in `block in install_pod_targets'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:111:in `map'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:111:in `install_pod_targets'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/single_pods_project_generator.rb:32:in `block in install_all_pod_targets'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/user_interface.rb:145:in `message'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/single_pods_project_generator.rb:31:in `install_all_pod_targets'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer/xcode/single_pods_project_generator.rb:19:in `generate!'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer.rb:308:in `block in create_and_save_projects'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/user_interface.rb:64:in `section'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer.rb:303:in `create_and_save_projects'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer.rb:295:in `generate_pods_project'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer.rb:174:in `integrate'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/installer.rb:162:in `install!'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/command/install.rb:52:in `run'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/lib/cocoapods/command.rb:52:in `run'
/Users/brettbest/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0.beta.2/bin/pod:55:in `<top (required)>'
/Users/brettbest/.rbenv/versions/2.6.3/bin/pod:23:in `load'
/Users/brettbest/.rbenv/versions/2.6.3/bin/pod:23:in `<main>'

CocoaPods Environment

Stack

   CocoaPods : 1.9.0.beta.2
        Ruby : ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin19]
    RubyGems : 3.1.2
        Host : Mac OS X 10.15.3 (19D49f)
       Xcode : 11.3 (11C29)
         Git : git version 2.24.1
Ruby lib dir : /Users/brettbest/.rbenv/versions/2.6.3/lib
Repositories : trunk - CDN - https://cdn.cocoapods.org/

Installation Source

Executable Path: /Users/brettbest/.rbenv/versions/2.6.3/bin/pod

Plugins

cocoapods-acknowledgements : 1.1.3
cocoapods-deintegrate      : 1.0.4
cocoapods-plugins          : 1.0.0
cocoapods-search           : 1.0.0
cocoapods-stats            : 1.1.0
cocoapods-trunk            : 1.4.1
cocoapods-try              : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
# platform :ios, '9.0'

target 'CP-Bug' do
  # Comment the next line if you don't want to use dynamic frameworks
  use_frameworks!

  # Pods for CP-Bug
  pod 'Alamofire'
end

Project that demonstrates the issue

https://github.com/Brett-Best/CP-Bug

[Brett-Best]

Suspect this is related to #9461.

[dnkoutso]

Fix was merged, will ship with 1.9.0.beta.3

[sweetleon]

@dnkoutso Any word on when 1.9.0.beta.3 will be available? This is blocking my project, and presumably others.