Ticket #4188: mc_fish_first_command.diff

diff --git a/src/subshell/common.c b/src/subshell/common.c
index cb8bbe3f1..8b623fdd6 100644
@@ -1441,18 +1442,12 @@ invoke_subshell (const char *command, int how, vfs_path_t ** new_dir_vpath)
     }
     else                        /* MC has passed us a user command */
     {
-        /* Before we write to the command prompt, we need to clear whatever */
-        /* data is there, but only if we are using one of the shells that */
-        /* doesn't support keeping command buffer contents, OR if there was */
-        /* some sort of error. */
-        if (!use_persistent_buffer || subshell_should_clear_command_line)
+        /* Hack to make fish shell process the first command after window resize. */
+        if (subshell_ready)
         {
-            write_all (mc_global.tty.subshell_pty, "\003", 1);
-            subshell_state = RUNNING_COMMAND;
-            /* We need to call feed_subshell here if we are using fish, because of a quirk
-             * in the behavioral of that particular shell. */
-            if (mc_global.shell->type != SHELL_FISH)
-                feed_subshell (QUIETLY, FALSE);
+          write_all (mc_global.tty.subshell_pty,  " \n", 2);
+          subshell_state = RUNNING_COMMAND;
+          feed_subshell (VISIBLY, FALSE);
         }
 
         if (how == QUIETLY)
@@ -1655,15 +1650,11 @@ do_subshell_chdir (const vfs_path_t * vpath, gboolean update_prompt)
         return;
     }
 
-    /* If we are using a shell that doesn't support persistent command buffer, we need to clear
-     * the command prompt before we send the cd command. */
-    if (!use_persistent_buffer || subshell_should_clear_command_line)
-    {
-        write_all (mc_global.tty.subshell_pty, "\003", 1);
-        subshell_state = RUNNING_COMMAND;
-        if (mc_global.shell->type != SHELL_FISH)
-            feed_subshell (QUIETLY, FALSE);
-    }
+    /* Hack to make fish shell process the first cd after window resize. */
+    write_all (mc_global.tty.subshell_pty, " \n", 2);
+    subshell_state = RUNNING_COMMAND;
+    feed_subshell (QUIETLY, FALSE);
+
     /* The initial space keeps this out of the command history (in bash
        because we set "HISTCONTROL=ignorespace") */
     write_all (mc_global.tty.subshell_pty, " cd ", 4);