install/update: Support -y to avoid interaction (for automation)

This assumes the answer to any question is yes (or to pick the
most prioritized answer).

Fixes https://github.com/flatpak/flatpak/issues/436

app/flatpak-builtins-install.c

@@ -50,6 +50,7 @@ static gboolean opt_app;
 static gboolean opt_bundle;
 static gboolean opt_from;
 static gboolean opt_oci;
+static gboolean opt_yes;
 
 static GOptionEntry options[] = {
   { "arch", 0, 0, G_OPTION_ARG_STRING, &opt_arch, N_("Arch to install for"), N_("ARCH") },
@@ -64,6 +65,7 @@ static GOptionEntry options[] = {
   { "oci", 0, 0, G_OPTION_ARG_NONE, &opt_oci, N_("Assume LOCATION is an oci registry"), NULL },
   { "gpg-file", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &opt_gpg_file, N_("Check bundle signatures with GPG key from FILE (- for stdin)"), N_("FILE") },
   { "subpath", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &opt_subpaths, N_("Only install this subpath"), N_("PATH") },
+  { "assumeyes", 'y', 0, G_OPTION_ARG_NONE, &opt_yes, N_("OAutomatically answer yes for all questions"), NULL },
   { NULL }
 };
 
@@ -226,10 +228,14 @@ handle_runtime_repo_deps (FlatpakDir *dir, GBytes *data, GError **error)
   if (old_remote != NULL)
     return TRUE;
 
-  if (flatpak_yes_no_prompt (_("This application depends on runtimes from:\n  %s\nConfigure this as new remote '%s'"),
+  if (opt_yes ||
+      flatpak_yes_no_prompt (_("This application depends on runtimes from:\n  %s\nConfigure this as new remote '%s'"),
                              runtime_url, new_remote))
     {
-      if (!flatpak_dir_modify_remote (dir, new_remote, config, gpg_key, NULL, error))
+      if (opt_yes)
+        g_print (_("Configuring %s as new remote '%s'"), runtime_url, new_remote);
+
+    if (!flatpak_dir_modify_remote (dir, new_remote, config, gpg_key, NULL, error))
         return FALSE;
       if (!flatpak_dir_recreate_repo (dir, NULL, error))
         return FALSE;
@@ -299,7 +305,7 @@ install_from (FlatpakDir *dir,
   slash = strchr (ref, '/');
   g_print (_("Installing: %s\n"), slash + 1);
 
-  transaction = flatpak_transaction_new (clone, opt_no_pull, opt_no_deploy,
+  transaction = flatpak_transaction_new (clone, opt_yes, opt_no_pull, opt_no_deploy,
                                          !opt_no_deps, !opt_no_related);
 
   if (!flatpak_transaction_add_install (transaction, remote, ref, (const char **)opt_subpaths, error))
@@ -338,7 +344,7 @@ install_oci (FlatpakDir *dir,
   registry_file = g_file_new_for_commandline_arg (registry_arg);
   registry_uri = g_file_get_uri (registry_file);
 
-  transaction = flatpak_transaction_new (dir, opt_no_pull, opt_no_deploy,
+  transaction = flatpak_transaction_new (dir, opt_yes, opt_no_pull, opt_no_deploy,
                                          !opt_no_deps, !opt_no_related);
 
   for (i = 0; tags[i] != NULL; i++)
@@ -406,7 +412,7 @@ flatpak_builtin_install (int argc, char **argv, GCancellable *cancellable, GErro
   default_branch = flatpak_dir_get_remote_default_branch (dir, remote);
   kinds = flatpak_kinds_from_bools (opt_app, opt_runtime);
 
-  transaction = flatpak_transaction_new (dir, opt_no_pull, opt_no_deploy,
+  transaction = flatpak_transaction_new (dir, opt_yes, opt_no_pull, opt_no_deploy,
                                          !opt_no_deps, !opt_no_related);
 
   for (i = 0; i < n_prefs; i++)

app/flatpak-builtins-update.c

@@ -46,6 +46,7 @@ static gboolean opt_no_deps;
 static gboolean opt_runtime;
 static gboolean opt_app;
 static gboolean opt_appstream;
+static gboolean opt_yes;
 
 static GOptionEntry options[] = {
   { "arch", 0, 0, G_OPTION_ARG_STRING, &opt_arch, N_("Arch to update for"), N_("ARCH") },
@@ -59,6 +60,7 @@ static GOptionEntry options[] = {
   { "app", 0, 0, G_OPTION_ARG_NONE, &opt_app, N_("Look for app with the specified name"), NULL },
   { "appstream", 0, 0, G_OPTION_ARG_NONE, &opt_appstream, N_("Update appstream for remote"), NULL },
   { "subpath", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &opt_subpaths, N_("Only update this subpath"), N_("PATH") },
+  { "assumeyes", 'y', 0, G_OPTION_ARG_NONE, &opt_yes, N_("OAutomatically answer yes for all questions"), NULL },
   { NULL }
 };
 
@@ -135,7 +137,7 @@ flatpak_builtin_update (int           argc,
       n_prefs = 1;
     }
 
-  transaction = flatpak_transaction_new (dir, opt_no_pull, opt_no_deploy,
+  transaction = flatpak_transaction_new (dir, opt_yes, opt_no_pull, opt_no_deploy,
                                          !opt_no_deps, !opt_no_related);
   kinds = flatpak_kinds_from_bools (opt_app, opt_runtime);
 

app/flatpak-transaction.c

@@ -45,6 +45,7 @@ struct FlatpakTransaction {
   GHashTable *refs;
   GList *ops;
 
+  gboolean no_interaction;
   gboolean no_pull;
   gboolean no_deploy;
   gboolean add_deps;
@@ -146,6 +147,7 @@ flatpak_transaction_operation_free (FlatpakTransactionOp *self)
 
 FlatpakTransaction *
 flatpak_transaction_new (FlatpakDir *dir,
+                         gboolean no_interaction,
                          gboolean no_pull,
                          gboolean no_deploy,
                          gboolean add_deps,
@@ -156,6 +158,7 @@ flatpak_transaction_new (FlatpakDir *dir,
   t->dir = g_object_ref (dir);
   t->refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
 
+  t->no_interaction = no_interaction;
   t->no_pull = no_pull;
   t->no_deploy = no_deploy;
   t->add_deps = add_deps;
@@ -259,13 +262,18 @@ flatpak_transaction_add_op (FlatpakTransaction *self,
 }
 
 static char *
-ask_for_remote (const char **remotes)
+ask_for_remote (FlatpakTransaction *self, const char **remotes)
 {
   int n_remotes = g_strv_length ((char **)remotes);
   int chosen = 0;
   int i;
 
-  if (n_remotes == 1)
+  if (self->no_interaction)
+    {
+      chosen = 1;
+      g_print ("Found in remote %s\n", remotes[0]);
+    }
+  else if (n_remotes == 1)
     {
       if (flatpak_yes_no_prompt (_("Found in remote %s, do you want to install it?"), remotes[0]))
         chosen = 1;
@@ -364,7 +372,7 @@ add_deps (FlatpakTransaction *self,
             }
           else
             {
-              runtime_remote = ask_for_remote ((const char **)remotes);
+              runtime_remote = ask_for_remote (self, (const char **)remotes);
             }
 
           if (runtime_remote == NULL)

app/flatpak-transaction.h

@@ -29,6 +29,7 @@
 typedef struct FlatpakTransaction FlatpakTransaction;
 
 FlatpakTransaction *flatpak_transaction_new         (FlatpakDir          *dir,
+                                                     gboolean             no_interaction,
                                                      gboolean             no_pull,
                                                      gboolean             no_deploy,
                                                      gboolean             add_deps,