static gchar *
gb_terminal_view_discover_shell (GCancellable *cancellable,
GError **error)
{
g_autoptr(IdeSubprocessLauncher) launcher = NULL;
g_autoptr(IdeSubprocess) subprocess = NULL;
g_autofree gchar *command = NULL;
g_autofree gchar *stdout_buf = NULL;
g_auto(GStrv) argv = NULL;
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
if (cached_shell != NULL)
return g_strdup (cached_shell);
command = g_strdup_printf ("sh -c 'getent passwd | grep ^%s: | cut -f 7 -d :'",
g_get_user_name ());
if (!g_shell_parse_argv (command, NULL, &argv, error))
return NULL;
launcher = ide_subprocess_launcher_new (G_SUBPROCESS_FLAGS_STDOUT_PIPE);
ide_subprocess_launcher_set_run_on_host (launcher, TRUE);
ide_subprocess_launcher_set_clear_env (launcher, FALSE);
ide_subprocess_launcher_set_cwd (launcher, g_get_home_dir ());
ide_subprocess_launcher_push_args (launcher, (const gchar * const *)argv);
subprocess = ide_subprocess_launcher_spawn (launcher, cancellable, error);
if (subprocess == NULL)
return NULL;
if (!ide_subprocess_communicate_utf8 (subprocess, NULL, cancellable, &stdout_buf, NULL, error))
return NULL;
if (stdout_buf != NULL)
{
g_strstrip (stdout_buf);
if (stdout_buf[0] == '/')
cached_shell = g_steal_pointer (&stdout_buf);
}
if (cached_shell == NULL)
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Unknown error when discovering user shell");
return g_strdup (cached_shell);
}
void
gbp_vagrant_runtime_provider_command_async (GbpVagrantRuntimeProvider *self,
const gchar * const *command,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(IdeSubprocessLauncher) launcher = NULL;
g_autoptr(IdeSubprocess) subprocess = NULL;
g_autoptr(IdeTask) task = NULL;
g_autoptr(GError) error = NULL;
g_autoptr(GFile) workdir = NULL;
IdeContext *context;
g_assert (GBP_IS_VAGRANT_RUNTIME_PROVIDER (self));
g_assert (command != NULL && command[0] != NULL);
g_assert (g_str_equal ("vagrant", command[0]));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
task = ide_task_new (self, cancellable, callback, user_data);
ide_task_set_source_tag (task, gbp_vagrant_runtime_provider_command_async);
context = ide_object_get_context (IDE_OBJECT (self));
workdir = ide_context_ref_workdir (context);
launcher = ide_subprocess_launcher_new (G_SUBPROCESS_FLAGS_STDOUT_PIPE |
G_SUBPROCESS_FLAGS_STDERR_SILENCE);
ide_subprocess_launcher_set_cwd (launcher, g_file_peek_path (workdir));
ide_subprocess_launcher_push_args (launcher, command);
if (!g_strv_contains (command, "--machine-readable"))
ide_subprocess_launcher_push_argv (launcher, "--machine-readable");
if (!(subprocess = ide_subprocess_launcher_spawn (launcher, cancellable, &error)))
ide_task_return_error (task, g_steal_pointer (&error));
else
ide_subprocess_communicate_utf8_async (subprocess,
NULL,
cancellable,
(GAsyncReadyCallback) gbp_vagrant_runtime_provider_command_cb,
g_steal_pointer (&task));
}
static void
gb_terminal_respawn (GbTerminalView *self,
VteTerminal *terminal)
{
g_autoptr(GPtrArray) args = NULL;
g_autoptr(IdeSubprocess) subprocess = NULL;
g_autoptr(IdeSubprocessLauncher) launcher = NULL;
g_autofree gchar *workpath = NULL;
g_autofree gchar *shell = NULL;
GtkWidget *toplevel;
GError *error = NULL;
IdeContext *context;
IdeVcs *vcs;
VtePty *pty = NULL;
GFile *workdir;
gint64 now;
int tty_fd = -1;
gint stdout_fd = -1;
gint stderr_fd = -1;
IDE_ENTRY;
g_assert (GB_IS_TERMINAL_VIEW (self));
vte_terminal_reset (terminal, TRUE, TRUE);
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (self));
if (!IDE_IS_WORKBENCH (toplevel))
IDE_EXIT;
/* Prevent flapping */
now = g_get_monotonic_time ();
if ((now - self->last_respawn) < (G_USEC_PER_SEC / 10))
IDE_EXIT;
self->last_respawn = now;
context = ide_workbench_get_context (IDE_WORKBENCH (toplevel));
vcs = ide_context_get_vcs (context);
workdir = ide_vcs_get_working_directory (vcs);
workpath = g_file_get_path (workdir);
shell = gb_terminal_view_discover_shell (NULL, &error);
if (shell == NULL)
{
g_warning ("Failed to discover user shell: %s", error->message);
/* We prefer bash in flatpak over sh */
if (ide_is_flatpak ())
shell = g_strdup ("/bin/bash");
else
shell = vte_get_user_shell ();
g_clear_error (&error);
}
args = g_ptr_array_new ();
g_ptr_array_add (args, (gchar *)shell);
g_ptr_array_add (args, NULL);
pty = vte_terminal_pty_new_sync (terminal,
VTE_PTY_DEFAULT | VTE_PTY_NO_LASTLOG | VTE_PTY_NO_UTMP | VTE_PTY_NO_WTMP,
NULL,
&error);
if (pty == NULL)
IDE_GOTO (failure);
vte_terminal_set_pty (terminal, pty);
if (-1 == (tty_fd = gb_vte_pty_create_slave (pty)))
IDE_GOTO (failure);
/* dup() is safe as it will inherit O_CLOEXEC */
if (-1 == (stdout_fd = dup (tty_fd)) || -1 == (stderr_fd = dup (tty_fd)))
IDE_GOTO (failure);
/* XXX: It would be nice to allow using the runtimes launcher */
launcher = ide_subprocess_launcher_new (0);
ide_subprocess_launcher_set_run_on_host (launcher, TRUE);
ide_subprocess_launcher_set_clear_env (launcher, FALSE);
ide_subprocess_launcher_set_cwd (launcher, workpath);
ide_subprocess_launcher_push_args (launcher, (const gchar * const *)args->pdata);
ide_subprocess_launcher_take_stdin_fd (launcher, tty_fd);
ide_subprocess_launcher_take_stdout_fd (launcher, stdout_fd);
ide_subprocess_launcher_take_stderr_fd (launcher, stderr_fd);
ide_subprocess_launcher_setenv (launcher, "TERM", "xterm-256color", TRUE);
ide_subprocess_launcher_setenv (launcher, "INSIDE_GNOME_BUILDER", PACKAGE_VERSION, TRUE);
ide_subprocess_launcher_setenv (launcher, "SHELL", shell, TRUE);
tty_fd = -1;
stdout_fd = -1;
stderr_fd = -1;
if (NULL == (subprocess = ide_subprocess_launcher_spawn (launcher, NULL, &error)))
IDE_GOTO (failure);
ide_subprocess_wait_async (subprocess,
NULL,
gb_terminal_view_wait_cb,
g_object_ref (terminal));
failure:
if (tty_fd != -1)
close (tty_fd);
if (stdout_fd != -1)
close (stdout_fd);
g_clear_object (&pty);
if (error != NULL)
{
g_warning ("%s", error->message);
g_clear_error (&error);
}
IDE_EXIT;
}
