Add support for shell script parameters

Now %sh{ ... } can access positional parameters through
standard shell construct, allowing simple handling of variable
parameters.

def command accepts -shell-params flag to use this facility.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/command_manager.cc b/src/command_manager.cc
index 1110583f..df23ca6e 100644
--- a/src/command_manager.cc
+++ b/src/command_manager.cc
@@ -211,6 +211,7 @@ void CommandManager::execute_single_command(const CommandParameters& params,
 
 void CommandManager::execute(const String& command_line,
                              Context& context,
+                             const memoryview<String>& shell_params,
                              const EnvVarMap& env_vars)
 {
     TokenList tokens = parse(command_line);
@@ -223,7 +224,8 @@ void CommandManager::execute(const String& command_line,
         if (it->type() == Token::Type::ShellExpand)
         {
             String output = ShellManager::instance().eval(it->content(),
-                                                          context, env_vars);
+                                                          context, shell_params,
+                                                          env_vars);
             TokenList shell_tokens = parse(output);
             it = tokens.erase(it);
             for (auto& token : shell_tokens)