### Before
```
$ GEM_HOME=/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/ bundle
Fetching gem metadata from https://rubygems.org/.
Source rubygems repository https://rubygems.org/ or installed locally is ignoring #<Bundler::StubSpecification name=sqlite3 version=1.3.13 platform=ruby> because it is missing extensions
Source rubygems repository https://rubygems.org/ or installed locally is ignoring #<Bundler::StubSpecification name=nokogiri version=1.13.8 platform=ruby> because it is missing extensions
Source rubygems repository https://rubygems.org/ or installed locally is ignoring #<Bundler::StubSpecification name=libxml-ruby version=3.2.1 platform=ruby> because it is missing extensions
Resolving dependencies...
Fetching ruby2_keywords 0.0.5
Retrying download gem from https://rubygems.org/ due to error (2/4): Bundler::GenericSystemCallError There was an error accessing `/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem`.
The underlying system error is Errno::EPERM: Operation not permitted @ rb_sysopen - /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem
Retrying download gem from https://rubygems.org/ due to error (3/4): Bundler::GenericSystemCallError There was an error accessing `/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem`.
The underlying system error is Errno::EPERM: Operation not permitted @ rb_sysopen - /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem
Retrying download gem from https://rubygems.org/ due to error (4/4): Bundler::GenericSystemCallError There was an error accessing `/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem`.
The underlying system error is Errno::EPERM: Operation not permitted @ rb_sysopen - /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem
Bundler::GenericSystemCallError: There was an error accessing `/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem`.
The underlying system error is Errno::EPERM: Operation not permitted @ rb_sysopen - /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/cache/ruby2_keywords-0.0.5.gem
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/shared_helpers.rb:119:in `rescue in filesystem_access'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/shared_helpers.rb:104:in `filesystem_access'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/rubygems_integration.rb:431:in `block in download_gem'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/retry.rb:40:in `run'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/retry.rb:30:in `attempt'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/rubygems_integration.rb:423:in `download_gem'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/source/rubygems.rb:479:in `download_gem'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/source/rubygems.rb:436:in `fetch_gem'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/source/rubygems.rb:420:in `fetch_gem_if_possible'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/source/rubygems.rb:162:in `install'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/installer/gem_installer.rb:55:in `install'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/installer/gem_installer.rb:17:in `install_from_spec'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/installer/parallel_installer.rb:133:in `do_install'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/installer/parallel_installer.rb:124:in `block in worker_pool'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/worker.rb:62:in `apply_func'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/worker.rb:57:in `block in process_queue'
<internal:kernel>:187:in `loop'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/worker.rb:54:in `process_queue'
/Users/deivid/code/rubygems/rubygems/bundler/lib/bundler/worker.rb:90:in `block (2 levels) in create_threads'
An error occurred while installing ruby2_keywords (0.0.5), and Bundler cannot continue.
In Gemfile:
ruby2_keywords
```
### After
```
$ GEM_HOME=/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/ bundle
There was an error creating `/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/bundler.lock`.
The underlying system error is Errno::EPERM: Operation not permitted @ rb_sysopen - /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0/bundler.lock
```
345ec45f5a
Apparently old versions of MacOS would set `GEM_HOME` to a `/System`
folder, and trying to create a file there raises `Errno::EROFS`.
We ignore the error. Any permission issues should be better handled
further down the line.
ef90c071d0
This kind of error can happen when setting `GEM_HOME` to a path
under MacOS System Integrity Protection.
We ignore the error. Any permission issues should be better handled
further down the line.
174cb66863
* bin/*, lib/bundler/*, lib/bundler.rb, spec/bundler, man/*:
Merge from latest stable branch of bundler/bundler repository and
added workaround patches. I will backport them into upstream.
* common.mk, defs/gmake.mk: Added `test-bundler` task for test suite
of bundler.
* tool/sync_default_gems.rb: Added sync task for bundler.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
I faced a big issue about Bundler with ruby core.
I have no time to resolve it issue before 2.5 final release.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
