Update shell_commander to use Str8 instead of const char *

src/os/shell/commander/commander.h

@@ -3,6 +3,7 @@
 
 #include "aliases.h"
 #include "commander_output.h"
+#include "str8.h"
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -12,10 +13,8 @@ BEGIN_C_LINKAGE
 #endif // __cplusplus
 
 #define CMD_NO_EXIT(ERR) ((CMDResult){.exited = false, .exit_code = EXIT_FAILURE, .error = ERR})
-#define wapp_shell_commander_execute(HANDLE_OUTPUT, OUT_BUF, BUF_SIZE, ...)    \
-  run_command(HANDLE_OUTPUT, OUT_BUF, BUF_SIZE, __VA_ARGS__, "2>&1", NULL)
 
-CMDResult run_command(CMDOutHandling out_handling, char *out_buf, u64 buf_size, ...);
+CMDResult wapp_shell_commander_execute(CMDOutHandling out_handling, Str8 *out_buf, const Str8List *cmd);
 
 external CMDError get_output_status(FILE *fp, i32 *status_out);