void
mc_shell_init (void)
{
mc_shell_t *mc_shell;
mc_shell = mc_shell_get_from_env ();
if (mc_shell == NULL)
mc_shell = mc_shell_get_installed_in_system ();
mc_shell->real_path = mc_realpath (mc_shell->path, rp_shell);
if (!mc_shell_recognize_and_fill_type (mc_shell))
mc_global.tty.use_subshell = FALSE;
mc_global.shell = mc_shell;
}
static char *
lock_build_symlink_name (const char *fname)
{
char *fname_copy, *symlink_name;
char absolute_fname[PATH_MAX];
if (mc_realpath (fname, absolute_fname) == NULL)
return NULL;
fname = x_basename (absolute_fname);
fname_copy = g_strdup (fname);
absolute_fname[fname - absolute_fname] = '\0';
symlink_name = g_strconcat (absolute_fname, ".#", fname_copy, (char *) NULL);
g_free (fname_copy);
return symlink_name;
}
void
mc_shell_init (void)
{
mc_shell_t *mc_shell;
mc_shell = mc_shell_get_from_env ();
if (mc_shell == NULL)
mc_shell = mc_shell_get_installed_in_system ();
mc_shell->real_path = mc_realpath (mc_shell->path, rp_shell);
/* Find out what type of shell we have. Also consider real paths (resolved symlinks)
* because e.g. csh might point to tcsh, ash to dash or busybox, sh to anything. */
if (mc_shell->real_path != NULL)
mc_shell_recognize_real_path (mc_shell);
if (mc_shell->type == SHELL_NONE)
mc_shell_recognize_path (mc_shell);
mc_global.tty.use_subshell = mc_shell->type != SHELL_NONE;
mc_global.shell = mc_shell;
}
/** 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 */
}
