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4 changes: 4 additions & 0 deletions lib/rubygems/specification_policy.rb
Original file line number Diff line number Diff line change
Expand Up @@ -144,11 +144,15 @@ def validate_dependencies # :nodoc:
_, dep_version = dep.requirement.requirements.first

base = dep_version.segments.first 2
upper_bound = dep_version.segments.first(dep_version.segments.length - 1)
upper_bound[-1] += 1

warning_messages << <<-WARNING
pessimistic dependency on #{dep} may be overly strict
if #{dep.name} is semantically versioned, use:
add_#{dep.type}_dependency '#{dep.name}', '~> #{base.join '.'}', '>= #{dep_version}'
if #{dep.name} is not semantically versioned, you can bypass this warning with:
add_#{dep.type}_dependency '#{dep.name}', '>= #{dep_version}', '< #{upper_bound.join '.'}'
WARNING
end

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6 changes: 6 additions & 0 deletions test/rubygems/test_gem_specification.rb
Original file line number Diff line number Diff line change
Expand Up @@ -2622,9 +2622,13 @@ def test_validate_dependencies
#{w}: pessimistic dependency on d (~> 1.2.3) may be overly strict
if d is semantically versioned, use:
add_runtime_dependency 'd', '~> 1.2', '>= 1.2.3'
if d is not semantically versioned, you can bypass this warning with:
add_runtime_dependency 'd', '>= 1.2.3', '< 1.3'
#{w}: pessimistic dependency on e (~> 1.2.3.4) may be overly strict
if e is semantically versioned, use:
add_runtime_dependency 'e', '~> 1.2', '>= 1.2.3.4'
if e is not semantically versioned, you can bypass this warning with:
add_runtime_dependency 'e', '>= 1.2.3.4', '< 1.2.4'
#{w}: open-ended dependency on i (>= 1.2) is not recommended
if i is semantically versioned, use:
add_runtime_dependency 'i', '~> 1.2'
Expand All @@ -2640,6 +2644,8 @@ def test_validate_dependencies
#{w}: pessimistic dependency on m (~> 2.1.0) may be overly strict
if m is semantically versioned, use:
add_runtime_dependency 'm', '~> 2.1', '>= 2.1.0'
if m is not semantically versioned, you can bypass this warning with:
add_runtime_dependency 'm', '>= 2.1.0', '< 2.2'
#{w}: See http://guides.rubygems.org/specification-reference/ for help
EXPECTED

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