int
invoke_subshell (const char *command, int how, vfs_path_t ** new_dir_vpath)
{
char *pcwd;
/* Make the MC terminal transparent */
tcsetattr (STDOUT_FILENO, TCSANOW, &raw_mode);
/* Make the subshell change to MC's working directory */
if (new_dir_vpath != NULL)
do_subshell_chdir (current_panel->cwd_vpath, TRUE, TRUE);
if (command == NULL) /* The user has done "C-o" from MC */
{
if (subshell_state == INACTIVE)
{
subshell_state = ACTIVE;
/* FIXME: possibly take out this hack; the user can
re-play it by hitting C-hyphen a few times! */
if (subshell_ready)
write_all (mc_global.tty.subshell_pty, " \b", 2); /* Hack to make prompt reappear */
}
}
else /* MC has passed us a user command */
{
if (how == QUIETLY)
write_all (mc_global.tty.subshell_pty, " ", 1);
/* FIXME: if command is long (>8KB ?) we go comma */
write_all (mc_global.tty.subshell_pty, command, strlen (command));
write_all (mc_global.tty.subshell_pty, "\n", 1);
subshell_state = RUNNING_COMMAND;
subshell_ready = FALSE;
}
feed_subshell (how, FALSE);
{
char *cwd_str;
cwd_str = vfs_path_to_str (current_panel->cwd_vpath);
pcwd = vfs_translate_path_n (cwd_str);
g_free (cwd_str);
}
if (new_dir_vpath != NULL && subshell_alive && strcmp (subshell_cwd, pcwd))
*new_dir_vpath = vfs_path_from_str (subshell_cwd); /* Make MC change to the subshell's CWD */
g_free (pcwd);
/* Restart the subshell if it has died by SIGHUP, SIGQUIT, etc. */
while (!subshell_alive && quit == 0 && mc_global.tty.use_subshell)
init_subshell ();
prompt_pos = 0;
return quit;
}
/** If it actually changed the directory it returns true */
void
do_subshell_chdir (const vfs_path_t * vpath, gboolean update_prompt)
{
char *pcwd;
pcwd = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_RECODE);
if (!(subshell_state == INACTIVE && strcmp (subshell_cwd, pcwd) != 0))
{
/* We have to repaint the subshell prompt if we read it from
* 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 (update_prompt)
do_update_prompt ();
g_free (pcwd);
return;
}
/* 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);
if (vpath != NULL)
{
char *translate;
translate = vfs_translate_path_n (vfs_path_as_str (vpath));
if (translate != NULL)
{
GString *temp;
temp = subshell_name_quote (translate);
write_all (mc_global.tty.subshell_pty, temp->str, temp->len);
g_string_free (temp, TRUE);
g_free (translate);
}
else
{
write_all (mc_global.tty.subshell_pty, ".", 1);
}
}
else
{
write_all (mc_global.tty.subshell_pty, "/", 1);
}
write_all (mc_global.tty.subshell_pty, "\n", 1);
subshell_state = RUNNING_COMMAND;
feed_subshell (QUIETLY, FALSE);
if (subshell_alive)
{
int bPathNotEq = strcmp (subshell_cwd, pcwd);
if (bPathNotEq && subshell_type == TCSH)
{
char rp_subshell_cwd[PATH_MAX];
char rp_current_panel_cwd[PATH_MAX];
char *p_subshell_cwd = mc_realpath (subshell_cwd, rp_subshell_cwd);
char *p_current_panel_cwd = mc_realpath (pcwd, rp_current_panel_cwd);
if (p_subshell_cwd == NULL)
p_subshell_cwd = subshell_cwd;
if (p_current_panel_cwd == NULL)
p_current_panel_cwd = pcwd;
bPathNotEq = strcmp (p_subshell_cwd, p_current_panel_cwd);
}
if (bPathNotEq && !DIR_IS_DOT (pcwd))
{
char *cwd;
cwd = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_STRIP_PASSWORD);
vfs_print_message (_("Warning: Cannot change to %s.\n"), cwd);
g_free (cwd);
}
}
update_subshell_prompt = FALSE;
g_free (pcwd);
/* Make sure that MC never stores the CWD in a silly format */
/* like /usr////lib/../bin, or the strcmp() above will fail */
}
/** If it actually changed the directory it returns true */
void
do_subshell_chdir (const char *directory, gboolean update_prompt, gboolean reset_prompt)
{
char *pcwd;
char *temp;
char *translate;
pcwd = vfs_translate_path_n (current_panel->cwd);
if (!(subshell_state == INACTIVE && strcmp (subshell_cwd, pcwd) != 0))
{
/* We have to repaint the subshell prompt if we read it from
* 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 (update_prompt)
do_update_prompt ();
g_free (pcwd);
return;
}
/* 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);
if (*directory)
{
translate = vfs_translate_path_n (directory);
if (translate)
{
temp = subshell_name_quote (translate);
if (temp)
{
write_all (mc_global.tty.subshell_pty, temp, strlen (temp));
g_free (temp);
}
else
{
/* Should not happen unless the directory name is so long
that we don't have memory to quote it. */
write_all (mc_global.tty.subshell_pty, ".", 1);
}
g_free (translate);
}
else
{
write_all (mc_global.tty.subshell_pty, ".", 1);
}
}
else
{
write_all (mc_global.tty.subshell_pty, "/", 1);
}
write_all (mc_global.tty.subshell_pty, "\n", 1);
subshell_state = RUNNING_COMMAND;
feed_subshell (QUIETLY, FALSE);
if (subshell_alive)
{
int bPathNotEq = strcmp (subshell_cwd, pcwd);
if (bPathNotEq && subshell_type == TCSH)
{
char rp_subshell_cwd[PATH_MAX];
char rp_current_panel_cwd[PATH_MAX];
char *p_subshell_cwd = mc_realpath (subshell_cwd, rp_subshell_cwd);
char *p_current_panel_cwd = mc_realpath (pcwd, rp_current_panel_cwd);
if (p_subshell_cwd == NULL)
p_subshell_cwd = subshell_cwd;
if (p_current_panel_cwd == NULL)
p_current_panel_cwd = pcwd;
bPathNotEq = strcmp (p_subshell_cwd, p_current_panel_cwd);
}
if (bPathNotEq && strcmp (pcwd, "."))
{
char *cwd = strip_password (g_strdup (pcwd), 1);
fprintf (stderr, _("Warning: Cannot change to %s.\n"), cwd);
g_free (cwd);
}
}
if (reset_prompt)
prompt_pos = 0;
update_subshell_prompt = FALSE;
g_free (pcwd);
/* Make sure that MC never stores the CWD in a silly format */
/* like /usr////lib/../bin, or the strcmp() above will fail */
}
