On CI, sort files & check modified w/ digest intead of mtime (#1522)

rails · Jun 3, 2018 · b26e1da · b26e1da
1 parent 1169e8f
commit b26e1da
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/webpacker/compiler.rb b/lib/webpacker/compiler.rb
@@ -45,7 +45,12 @@ def last_compilation_digest
 
     def watched_files_digest
       files = Dir[*default_watched_paths, *watched_paths].reject { |f| File.directory?(f) }
-      Digest::SHA1.hexdigest(files.map { |f| "#{File.basename(f)}/#{File.mtime(f).utc.to_i}" }.join("/"))
+      file_ids = if ENV["CI"]
+        files.sort.map { |f| "#{File.basename(f)}/#{Digest::SHA1.file(f).hexdigest}" }
+      else
+        files.map { |f| "#{File.basename(f)}/#{File.mtime(f).utc.to_i}" }
+      end
+      Digest::SHA1.hexdigest(file_ids.join("/"))
     end
 
     def record_compilation_digest