try zip

lib/flame/code_sync.ex

@@ -147,7 +147,7 @@ defmodule FLAME.CodeSync do
   end
 
   def package_to_stream(%CodeSync{} = code) do
-    compressed = if code.compress, do: [:compressed], else: []
+    compress = if code.compress, do: [{:compress, :all}], else: []
 
     verbose =
       if code.verbose do
@@ -164,15 +164,9 @@ defmodule FLAME.CodeSync do
 
     out_stream =
       if code.changed_paths != [] do
-        out_path = Path.join([mfa(code.tmp_dir), "flame_parent_code_sync_#{code.id}.tar.gz"])
+        out_path = Path.join([mfa(code.tmp_dir), "flame_parent_code_sync_#{code.id}.zip"])
         dirs = for path <- code.changed_paths, uniq: true, do: String.to_charlist(path)
-        {:ok, tar} = :erl_tar.open(out_path, [:write] ++ compressed)
-
-        for dir <- dirs,
-            do: :erl_tar.add(tar, dir, trim_leading_slash(dir), [:dereference | verbose])
-
-        :ok = :erl_tar.close(tar)
-
+        :zip.zip(String.to_charlist(out_path), dirs, compress ++ verbose)
         File.stream!(out_path, [], code.chunk_size)
       end
 
@@ -192,21 +186,22 @@ defmodule FLAME.CodeSync do
     }
   end
 
-  defp trim_leading_slash([?/ | path]), do: path
-  defp trim_leading_slash([_ | _] = path), do: path
-
   def extract_packaged_stream(%PackagedStream{} = pkg) do
     if pkg.stream do
       verbose = if pkg.verbose, do: [:verbose], else: []
-      compressed = if pkg.compress, do: [:compressed], else: []
+      compressed = if pkg.compress, do: [{:uncompress, :all}], else: []
       extract_dir = mfa(pkg.extract_dir)
-      target_tmp_path = Path.join([mfa(pkg.tmp_dir), "flame_child_code_sync_#{pkg.id}.tar.gz"])
+      target_tmp_path = Path.join([mfa(pkg.tmp_dir), "flame_child_code_sync_#{pkg.id}.zip"])
       flame_stream = File.stream!(target_tmp_path)
       # transfer the file
       Enum.into(pkg.stream, flame_stream)
 
       # extract tar
-      :ok = :erl_tar.extract(target_tmp_path, [{:cwd, extract_dir}] ++ compressed ++ verbose)
+      {:ok, _} =
+        :zip.unzip(
+          String.to_charlist(target_tmp_path),
+          [{:cwd, String.to_charlist(extract_dir)}] ++ compressed ++ verbose
+        )
 
       # add code paths
       :ok = add_code_paths_from_tar(pkg, extract_dir)