From bc5fdc61839bee9d58c5b04504e6e0cbabbe15c9 Mon Sep 17 00:00:00 2001
From: Justin Martin <jmartin@squareup.com>
Date: Tue, 16 Apr 2024 11:35:22 -0700
Subject: [PATCH] Use rsync to exclude copying the fsmonitor--daemon.ipc

---
 CHANGELOG.md                      |  4 +++-
 lib/cocoapods/downloader/cache.rb |  7 +++++--
 spec/unit/validator_spec.rb       | 10 ++++++++++
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71fd7c8116..fbcd19e3f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,9 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
-* None.  
+* Fix pod install issue when git's `core.fsmonitor` feature is enabled (again)
+  [Justin Martin](https://github.com/justinseanmartin)
+  [#12349](https://github.com/CocoaPods/CocoaPods/issues/12349)
 
 
 ## 1.15.2 (2024-02-06)
diff --git a/lib/cocoapods/downloader/cache.rb b/lib/cocoapods/downloader/cache.rb
index 5d990e46e2..8cb5c63a78 100644
--- a/lib/cocoapods/downloader/cache.rb
+++ b/lib/cocoapods/downloader/cache.rb
@@ -283,13 +283,16 @@ def copy_and_clean(source, destination, spec)
         specs_by_platform = group_subspecs_by_platform(spec)
         destination.parent.mkpath
         Cache.write_lock(destination) do
-          FileUtils.rm_rf(destination)
-          FileUtils.cp_r(source, destination)
+          rsync_contents(source, destination)
           Pod::Installer::PodSourcePreparer.new(spec, destination).prepare!
           Sandbox::PodDirCleaner.new(destination, specs_by_platform).clean!
         end
       end
 
+      def rsync_contents(source, destination)
+        Pod::Executable.execute_command('rsync', ['-a', '--exclude=.git', '--delete', "#{source}/", destination])
+      end
+
       def group_subspecs_by_platform(spec)
         specs_by_platform = {}
         [spec, *spec.recursive_subspecs].each do |ss|
diff --git a/spec/unit/validator_spec.rb b/spec/unit/validator_spec.rb
index afdd215824..738782fc53 100644
--- a/spec/unit/validator_spec.rb
+++ b/spec/unit/validator_spec.rb
@@ -41,6 +41,10 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
       source.specification_path(name, version)
     end
 
+    def stub_downloader_cache_rsync
+      Downloader::Cache.any_instance.expects(:rsync_contents).with { |_, destination| FileUtils.mkdir_p(destination) }
+    end
+
     #-------------------------------------------------------------------------#
 
     describe 'Quick mode' do
@@ -786,6 +790,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
         validator.stubs(:check_file_patterns)
         validator.stubs(:validate_url)
@@ -803,6 +808,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         PodTarget.any_instance.stubs(:should_build?).returns(true)
         Installer::Xcode::PodsProjectGenerator::PodTargetInstaller.any_instance.stubs(:validate_targets_contain_sources) # since we skip downloading
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
@@ -833,6 +839,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         PodTarget.any_instance.stubs(:should_build?).returns(true)
         Installer::Xcode::PodsProjectGenerator::PodTargetInstaller.any_instance.stubs(:validate_targets_contain_sources) # since we skip downloading
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
@@ -864,6 +871,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         PodTarget.any_instance.stubs(:should_build?).returns(true)
         Installer::Xcode::PodsProjectGenerator::PodTargetInstaller.any_instance.stubs(:validate_targets_contain_sources) # since we skip downloading
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
@@ -897,6 +905,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         PodTarget.any_instance.stubs(:should_build?).returns(true)
         Installer::Xcode::PodsProjectGenerator::PodTargetInstaller.any_instance.stubs(:validate_targets_contain_sources) # since we skip downloading
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
@@ -931,6 +940,7 @@ def podspec_path(name = 'JSONKit', version = '1.4', source = nil)
         require 'fourflusher'
         Fourflusher::SimControl.any_instance.stubs(:destination).returns(['-destination', 'id=XXX'])
         Validator.any_instance.unstub(:xcodebuild)
+        stub_downloader_cache_rsync
         validator = Validator.new(podspec_path, config.sources_manager.master.map(&:url))
         validator.stubs(:check_file_patterns)
         validator.stubs(:validate_url)