[Bug 2098878] [NEW] Deprecated exists? call in ruby >= 3.2.0 causes dependent build failure

[Julia Sarris]

Public bug reported:

[ Impact ]

 * Starting in ruby 3.2.0, the exists? method was deprecated in favor
   of exist?. As a consequence, the "blade_file_options" method fails.

 * The rails package depends on ruby-blade, and is currently FTBFS
   because of this issue. 

 * This occurs in Noble and Oracular because of their ruby versions.
   The attached debdiff is for oracular.

[ Test Plan ]

 * Install the patched ruby-blade and attempt to use the 
   blade_file_options method. If the patch was successful the
   method not exist error will no longer occur. 

[ Where problems could occur ]

 * Problems could occur if this patch were to be applied to releases where
   the corresponding ruby version is less than 3.2.0. 

 * Currently, in ruby >= 3.2.0, blade_file_options fails outright. 
   The risk of regression is low because the method is currently nonfunctional.


[ Other Info ]

 * It's a small change, but blade is an important part of rails' build process.
   We currently cannot build rails from source in either Noble or Oracular without the 
   resolution of this issue.

** Affects: ruby-blade (Ubuntu)
     Importance: High
     Assignee: Ubuntu Sponsors (ubuntu-sponsors)
         Status: New


** Tags: regression-update

** Attachment added: "ruby-blade_0.7.1-5ubuntu0.24.10.1.debdiff"
   https://bugs.launchpad.net/bugs/2098878/+attachment/5858789/+files/ruby-blade_0.7.1-5ubuntu0.24.10.1.debdiff

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https://bugs.launchpad.net/bugs/2098878

Title:
  Deprecated exists? call in ruby >= 3.2.0 causes dependent build
  failure

Status in ruby-blade package in Ubuntu:
  New

Bug description:
  [ Impact ]

   * Starting in ruby 3.2.0, the exists? method was deprecated in favor
     of exist?. As a consequence, the "blade_file_options" method fails.

   * The rails package depends on ruby-blade, and is currently FTBFS
     because of this issue. 

   * This occurs in Noble and Oracular because of their ruby versions.
     The attached debdiff is for oracular.

  [ Test Plan ]

   * Install the patched ruby-blade and attempt to use the 
     blade_file_options method. If the patch was successful the
     method not exist error will no longer occur. 

  [ Where problems could occur ]

   * Problems could occur if this patch were to be applied to releases where
     the corresponding ruby version is less than 3.2.0. 

   * Currently, in ruby >= 3.2.0, blade_file_options fails outright. 
     The risk of regression is low because the method is currently nonfunctional.

  
  [ Other Info ]

   * It's a small change, but blade is an important part of rails' build process.
     We currently cannot build rails from source in either Noble or Oracular without the 
     resolution of this issue.

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https://bugs.launchpad.net/ubuntu/+source/ruby-blade/+bug/2098878/+subscriptions