From 0a5a0eeab45fb2db176b681159b328b3fdf95408 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?=
 <2887858+deivid-rodriguez@users.noreply.github.com>
Date: Wed, 10 Sep 2025 10:32:26 +0200
Subject: [rubygems/rubygems] Handle locked sources more simillarly to locked
 specs

https://github.com/rubygems/rubygems/commit/0a2f5ed717
---
 lib/bundler/definition.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/bundler/definition.rb b/lib/bundler/definition.rb
index e177b6e396..bd424609c9 100644
--- a/lib/bundler/definition.rb
+++ b/lib/bundler/definition.rb
@@ -107,6 +107,7 @@ module Bundler
         @locked_ruby_version = @locked_gems.ruby_version
         @locked_deps = @locked_gems.dependencies
         @originally_locked_specs = SpecSet.new(@locked_gems.specs)
+        @originally_locked_sources = @locked_gems.sources
         @locked_checksums = @locked_gems.checksums
 
         if @unlocking_all
@@ -114,7 +115,7 @@ module Bundler
           @locked_sources = []
         else
           @locked_specs   = @originally_locked_specs
-          @locked_sources = @locked_gems.sources
+          @locked_sources = @originally_locked_sources
         end
       else
         @locked_gems = nil
@@ -123,8 +124,9 @@ module Bundler
         @platforms      = []
         @locked_deps    = {}
         @locked_specs   = SpecSet.new([])
-        @originally_locked_specs = @locked_specs
         @locked_sources = []
+        @originally_locked_specs = @locked_specs
+        @originally_locked_sources = @locked_sources
         @locked_checksums = Bundler.feature_flag.lockfile_checksums?
       end
 
@@ -954,7 +956,7 @@ module Bundler
       sources.all_sources.each do |source|
         # has to be done separately, because we want to keep the locked checksum
         # store for a source, even when doing a full update
-        if @locked_checksums && @locked_gems && locked_source = @locked_gems.sources.find {|s| s == source && !s.equal?(source) }
+        if @locked_checksums && @locked_gems && locked_source = @originally_locked_sources.find {|s| s == source && !s.equal?(source) }
           source.checksum_store.merge!(locked_source.checksum_store)
         end
         # If the source is unlockable and the current command allows an unlock of
@@ -1137,7 +1139,7 @@ module Bundler
     end
 
     def additional_base_requirements_to_prevent_downgrades(resolution_base)
-      return resolution_base unless @locked_gems && !sources.expired_sources?(@locked_gems.sources)
+      return resolution_base unless @locked_gems && !sources.expired_sources?(@originally_locked_sources)
       @originally_locked_specs.each do |locked_spec|
         next if locked_spec.source.is_a?(Source::Path) || locked_spec.source_changed?
 
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