non-ASCII in env file about kamal

[xiaohui-zhangxh]

I found this bug since mrsk was issued, Shellescape can fix this #750

[xiaohui-zhangxh]

I found this bug since mrsk was issued, Shellescape can fix this #750

This is not a good fix, also makes some other problems. I will try to fix it in another way

[xiaohui-zhangxh]

Here the PR can fix this issue.

Copy below patch to /tmp/kamal.patch, then run this to fix temporarily.

cd /usr/local/bundle/gems/kamal-1.4.0/ && patch -p1 -i /tmp/kamal.patch

diff --git a/lib/kamal/env_file.rb b/lib/kamal/env_file.rb
index 0c9f234..2228be0 100644
--- a/lib/kamal/env_file.rb
+++ b/lib/kamal/env_file.rb
@@ -24,6 +24,13 @@ class Kamal::EnvFile

     # Escape a value to make it safe to dump in a docker file.
     def escape_docker_env_file_value(value)
+      # keep non-ascii(UTF-8) characters as it is
+      value.to_s.scan(/[\x00-\x7F]+|[^\x00-\x7F]+/).map do |part|
+        part.ascii_only? ? escape_docker_env_file_ascii_value(part) : part
+      end.join
+    end
+
+    def escape_docker_env_file_ascii_value(value)
       # Doublequotes are treated literally in docker env files
       # so remove leading and trailing ones and unescape any others
       value.to_s.dump[1..-2].gsub(/\\"/, "\"")