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Fix ActiveRecord::Migration.check_pending! failing because of duplicate migrations
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@ -37,4 +37,16 @@ module ActiveRecord
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super(direction, migrations, target_version)
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end
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end
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class MigrationContext
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def needs_migration?
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# A set of duplicated migrations is considered migrated if at least one of
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# them is migrated.
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migrated = get_all_versions
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migrations.group_by(&:name).each do |name, duplicates|
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return true unless duplicates.any? { |m| migrated.include?(m.version.to_i) }
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end
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return false
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end
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end
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end
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