--- mc-2007-06-04-22/src/execute.c.prompt 2005-09-28 23:28:06.000000000 +0200 +++ mc-2007-06-04-22/src/execute.c 2007-06-20 14:07:17.000000000 +0200 @@ -140,6 +140,8 @@ do_execute (const char *shell, const cha printf ("\r\n"); fflush (stdout); } + update_prompt = TRUE; + do_update_prompt (); if (console_flag) { if (output_lines && keybar_visible) { putchar ('\n'); --- mc-2007-06-04-22/src/main.c.prompt 2007-06-20 14:07:17.000000000 +0200 +++ mc-2007-06-04-22/src/main.c 2007-06-20 14:07:17.000000000 +0200 @@ -454,7 +454,7 @@ void do_update_prompt (void) { if (update_prompt) { - printf ("%s", subshell_prompt); + printf ("\r\n%s", original_subshell_prompt); fflush (stdout); update_prompt = 0; } --- mc-2007-06-04-22/src/subshell.h.prompt 2004-12-03 20:17:47.000000000 +0100 +++ mc-2007-06-04-22/src/subshell.h 2007-06-20 14:07:17.000000000 +0200 @@ -20,6 +20,9 @@ extern enum subshell_state_enum subshell /* Holds the latest prompt captured from the subshell */ extern char *subshell_prompt; +/* Holds the latest prompt captured from the subshell with terminal codes */ +extern char *original_subshell_prompt; + /* For the `how' argument to various functions */ enum {QUIETLY, VISIBLY}; --- mc-2007-06-04-22/src/subshell.c.prompt 2007-06-20 14:07:17.000000000 +0200 +++ mc-2007-06-04-22/src/subshell.c 2007-06-20 14:24:14.000000000 +0200 @@ -107,6 +107,9 @@ enum subshell_state_enum subshell_state; /* Holds the latest prompt captured from the subshell */ char *subshell_prompt = NULL; +/* Holds the latest prompt captured from the subshell with terminal codes */ +char *original_subshell_prompt = NULL; + /* Initial length of the buffer for the subshell's prompt */ #define INITIAL_PROMPT_SIZE 10 @@ -148,6 +151,7 @@ static struct termios raw_mode; /* This counter indicates how many characters of prompt we have read */ /* FIXME: try to figure out why this had to become global */ static int prompt_pos; +static int original_prompt_pos; /* @@ -567,6 +571,7 @@ int invoke_subshell (const char *command init_subshell (); prompt_pos = 0; + original_prompt_pos = 0; return quit; } @@ -576,6 +581,7 @@ int read_subshell_prompt (void) { static int prompt_size = INITIAL_PROMPT_SIZE; + static int original_prompt_size = INITIAL_PROMPT_SIZE; int bytes = 0, i, rc = 0; struct timeval timeleft = { 0, 0 }; @@ -586,7 +592,10 @@ read_subshell_prompt (void) if (subshell_prompt == NULL) { /* First time through */ subshell_prompt = g_malloc (prompt_size); *subshell_prompt = '\0'; + original_subshell_prompt = g_malloc (original_prompt_size); + *original_subshell_prompt = '\0'; prompt_pos = 0; + original_prompt_pos = 0; } while (subshell_alive @@ -607,20 +616,27 @@ read_subshell_prompt (void) /* Extract the prompt from the shell output */ - for (i = 0; i < bytes; ++i) + for (i = 0; i < bytes; ++i) { + if (!pty_buffer[i]) + continue; + + original_subshell_prompt[original_prompt_pos++] = pty_buffer[i]; + if (original_prompt_pos == original_prompt_size) + original_subshell_prompt = + g_realloc (original_subshell_prompt, original_prompt_size *= 2); + if (pty_buffer[i] == '\n' || pty_buffer[i] == '\r') { prompt_pos = 0; } else { - if (!pty_buffer[i]) - continue; - subshell_prompt[prompt_pos++] = pty_buffer[i]; if (prompt_pos == prompt_size) subshell_prompt = g_realloc (subshell_prompt, prompt_size *= 2); } + } subshell_prompt[prompt_pos] = '\0'; + original_subshell_prompt[original_prompt_pos] = '\0'; } if (rc == 0 && bytes == 0) return FALSE; @@ -743,6 +759,8 @@ subshell_name_quote (const char *s) void do_subshell_chdir (const char *directory, int do_update, int reset_prompt) { + static char *old_subshell_prompt = NULL; + if (! (subshell_state == INACTIVE && strcmp (subshell_cwd, current_panel->cwd))) { @@ -750,8 +768,14 @@ do_subshell_chdir (const char *directory * the main program. Please note that in the code after this * if, the cd command that is sent will make the subshell * repaint the prompt, so we don't have to paint it. */ - if (do_update) - do_update_prompt (); + if (do_update) { + if (old_subshell_prompt == NULL + || strcmp (old_subshell_prompt, original_subshell_prompt)) { + g_free (old_subshell_prompt); + old_subshell_prompt = g_strdup (original_subshell_prompt); + do_update_prompt (); + } + } return; } @@ -802,8 +826,10 @@ do_subshell_chdir (const char *directory } } - if (reset_prompt) + if (reset_prompt) { prompt_pos = 0; + original_prompt_pos = 0; + } update_prompt = FALSE; /* Make sure that MC never stores the CWD in a silly format */ /* like /usr////lib/../bin, or the strcmp() above will fail */