Specify if ShellManager should read output or not using a flag

Some program (xclip), will fork a daemon keeping stdout/stderr open,
so waiting for them to be closed make kakoune hang. Commands discarding
stdout can then just not wait on it.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/command_manager.cc b/src/command_manager.cc
index 074b736b..e57ab196 100644
--- a/src/command_manager.cc
+++ b/src/command_manager.cc
@@ -271,6 +271,7 @@ String expand_token(const Token& token, const Context& context,
     {
     case Token::Type::ShellExpand:
         return ShellManager::instance().eval(content, context, {},
+                                             ShellManager::Flags::ReadOutput,
                                              shell_params, env_vars).first;
     case Token::Type::RegisterExpand:
         return context.main_sel_register_value(content).str();