1 files changed, 25 insertions, 12 deletions
diff --git a/task/build_metadata.rake b/task/build_metadata.rake
index a896ed4801..e06a795259 100644
--- a/task/build_metadata.rake
+++ b/task/build_metadata.rake
@@ -1,20 +1,33 @@
 # frozen_string_literal: true
-file "lib/bundler/generated/build_metadata.rb" => [".git/HEAD", ".git/logs/HEAD", __FILE__, :git_hooks] do |t|
-  sh "git update-index --assume-unchanged #{t.name}", :verbose => false
 
+def write_build_metadata(build_metadata)
+  build_metadata_file = "lib/bundler/build_metadata.rb"
+
+  ivars = build_metadata.sort.map do |k, v|
+    "    @#{k} = #{BUNDLER_SPEC.send(:ruby_code, v)}"
+  end.join("\n")
+
+  contents = File.read(build_metadata_file)
+  contents.sub!(/^(\s+# begin ivars).+(^\s+# end ivars)/m, "\\1\n#{ivars}\n\\2")
+  File.open(build_metadata_file, "w") {|f| f << contents }
+end
+
+task :build_metadata do
   build_metadata = {
-    :built_at => BUNDLER_SPEC.date.strftime("%Y-%m-%d"),
-    :git_sha => `git rev-parse --short HEAD`.strip,
+    :built_at => BUNDLER_SPEC.date.utc.strftime("%Y-%m-%d"),
+    :git_commit_sha => `git rev-parse --short HEAD`.strip,
     :release => Rake::Task["release"].instance_variable_get(:@already_invoked),
   }
 
-  File.open(t.name, "w") {|f| f << <<-RUBY }
-# frozen_string_literal: true
-
-module Bundler
-  BUILD_METADATA = {
-#{build_metadata.sort.map {|k, v| "    #{k.inspect} => #{BUNDLER_SPEC.send(:ruby_code, v)}," }.join("\n")}
-  }.freeze
+  write_build_metadata(build_metadata)
 end
-  RUBY
+
+namespace :build_metadata do
+  task :clean do
+    build_metadata = {
+      :release => false,
+    }
+
+    write_build_metadata(build_metadata)
+  end
 end