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[rubygems/rubygems] Fix `gem install <non-existent-gem> --force` crash 

Before:

```
$ gem install sfdsfdsfsdide --force
ERROR:  While executing gem ... (NoMethodError)
    undefined method `spec' for nil:NilClass

    @always_install << newest.spec
                             ^^^^^
```

After:

```
$ gem install sfdsfdsfsdide --force
ERROR:  Could not find a valid gem 'sfdsfdsfsdide' (>= 0) in any repository
```

https://github.com/rubygems/rubygems/commit/4e2bfd1101
This commit is contained in:
David Rodríguez 2022-01-06 14:05:46 +01:00 committed by git
parent e3b0c8c106
commit ee5e684bc1
2 changed files with 25 additions and 9 deletions
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18
lib/rubygems/resolver/installer_set.rb
View File

@ -76,21 +76,21 @@ class Gem::Resolver::InstallerSet < Gem::Resolver::Set
newest = found.last
unless newest
exc = Gem::UnsatisfiableDependencyError.new request
exc.errors = errors
raise exc
end
unless @force
found_matching_metadata = found.reverse.find do |spec|
metadata_satisfied?(spec)
end
if found_matching_metadata.nil?
if newest
ensure_required_ruby_version_met(newest.spec)
ensure_required_rubygems_version_met(newest.spec)
else
exc = Gem::UnsatisfiableDependencyError.new request
exc.errors = errors
raise exc
end
ensure_required_ruby_version_met(newest.spec)
ensure_required_rubygems_version_met(newest.spec)
else
newest = found_matching_metadata
end

16
test/rubygems/test_gem_commands_install_command.rb
View File

@ -277,6 +277,22 @@ ERROR: Could not find a valid gem 'bar' (= 0.5) (required by 'foo' (>= 0)) in a
assert_match(/ould not find a valid gem 'nonexistent'/, @ui.error)
end
def test_execute_nonexistent_force
spec_fetcher
@cmd.options[:args] = %w[nonexistent]
@cmd.options[:force] = true
use_ui @ui do
e = assert_raise Gem::MockGemUi::TermError do
@cmd.execute
end
assert_equal 2, e.exit_code
end
assert_match(/ould not find a valid gem 'nonexistent'/, @ui.error)
end
def test_execute_dependency_nonexistent
spec_fetcher do |fetcher|
fetcher.spec 'foo', 2, 'bar' => '0.5'