list-remotes: Add support for listing both user and system remotes

app/xdg-app-builtins-list-remotes.c

@@ -32,8 +32,12 @@
 #include "xdg-app-utils.h"
 
 static gboolean opt_show_details;
+static gboolean opt_user;
+static gboolean opt_system;
 
 static GOptionEntry options[] = {
+  { "user", 0, 0, G_OPTION_ARG_NONE, &opt_user, "Show user installations", NULL },
+  { "system", 0, 0, G_OPTION_ARG_NONE, &opt_system, "Show system-wide installations", NULL },
   { "show-details", 'd', 0, G_OPTION_ARG_NONE, &opt_show_details, "Show remote details", NULL },
   { NULL }
 };
@@ -42,70 +46,92 @@ gboolean
 xdg_app_builtin_list_remotes (int argc, char **argv, GCancellable *cancellable, GError **error)
 {
   g_autoptr(GOptionContext) context = NULL;
-  g_autoptr(XdgAppDir) dir = NULL;
-  g_auto(GStrv) remotes = NULL;
-  guint ii, n_remotes = 0;
+  g_autoptr(XdgAppDir) user_dir = NULL;
+  g_autoptr(XdgAppDir) system_dir = NULL;
+  XdgAppDir *dirs[2] = { 0 };
+  guint ii, n_remotes = 0, n_dirs = 0, j;
+  XdgAppTablePrinter *printer;
 
   context = g_option_context_new (" - List remote repositories");
 
-  if (!xdg_app_option_context_parse (context, options, &argc, &argv, 0, &dir, cancellable, error))
+  if (!xdg_app_option_context_parse (context, options, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
     return FALSE;
 
-  remotes = ostree_repo_remote_list (xdg_app_dir_get_repo (dir), &n_remotes);
-
-  if (opt_show_details)
+  if (!opt_user && !opt_system)
     {
-      XdgAppTablePrinter *printer = xdg_app_table_printer_new ();
-      GKeyFile *config = ostree_repo_get_config (xdg_app_dir_get_repo (dir));;
-      g_autoptr(GString) options = g_string_new ("");
+      opt_user = TRUE;
+      opt_system = TRUE;
+    }
+
+  if (opt_user)
+    {
+      user_dir = xdg_app_dir_get_user ();
+      dirs[n_dirs++] = user_dir;
+    }
+
+  if (opt_system)
+    {
+      system_dir = xdg_app_dir_get_system ();
+      dirs[n_dirs++] = system_dir;
+    }
+
+  printer = xdg_app_table_printer_new ();
+
+  for (j = 0; j < n_dirs; j++)
+    {
+      XdgAppDir *dir = dirs[j];
+      GKeyFile *config;
+      g_auto(GStrv) remotes = NULL;
+
+      if (!xdg_app_dir_ensure_repo (dir, cancellable, NULL))
+        continue;
+
+      config = ostree_repo_get_config (xdg_app_dir_get_repo (dir));
+      remotes = ostree_repo_remote_list (xdg_app_dir_get_repo (dir), &n_remotes);
 
       for (ii = 0; ii < n_remotes; ii++)
         {
-          char *remote_name = remotes[ii];
-          g_autofree char *remote_url = NULL;
-          g_autofree char *group = NULL;
-          g_autofree char *title = NULL;
-          gboolean gpg_verify = TRUE;
+          if (opt_show_details)
+            {
+              char *remote_name = remotes[ii];
+              g_autofree char *remote_url = NULL;
+              g_autofree char *group = NULL;
+              g_autofree char *title = NULL;
+              gboolean gpg_verify = TRUE;
 
-          group = g_strdup_printf ("remote \"%s\"", remote_name);
+              group = g_strdup_printf ("remote \"%s\"", remote_name);
 
-          xdg_app_table_printer_add_column (printer, remote_name);
+              xdg_app_table_printer_add_column (printer, remote_name);
 
-          title = g_key_file_get_string (config, group, "xa.title", NULL);
-          if (title)
-            xdg_app_table_printer_add_column (printer, title);
+              title = g_key_file_get_string (config, group, "xa.title", NULL);
+              if (title)
+                xdg_app_table_printer_add_column (printer, title);
+              else
+                xdg_app_table_printer_add_column (printer, "-");
+
+              ostree_repo_remote_get_url (xdg_app_dir_get_repo (dir), remote_name, &remote_url, NULL);
+
+              xdg_app_table_printer_add_column (printer, remote_url);
+
+              xdg_app_table_printer_add_column (printer, ""); /* Options */
+
+              ostree_repo_remote_get_gpg_verify (xdg_app_dir_get_repo (dir), remote_name,
+                                                 &gpg_verify, NULL);
+              if (!gpg_verify)
+                xdg_app_table_printer_append_with_comma (printer, "no-gpg-verify");
+
+              if (opt_user && opt_system)
+                xdg_app_table_printer_append_with_comma (printer, dir == user_dir ? "user" : "system");
+            }
           else
-            xdg_app_table_printer_add_column (printer, "-");
-
-          ostree_repo_remote_get_url (xdg_app_dir_get_repo (dir), remote_name, &remote_url, NULL);
-
-          xdg_app_table_printer_add_column (printer, remote_url);
-
-          ostree_repo_remote_get_gpg_verify (xdg_app_dir_get_repo (dir), remote_name,
-                                             &gpg_verify, NULL);
-            if (!gpg_verify)
-              {
-                if (options->len != 0)
-                  g_string_append_c (options, ',');
-                g_string_append (options, "no-gpg-verify");
-              }
-
-          if (options->len != 0)
-            xdg_app_table_printer_add_column (printer, options->str);
-
-          g_string_truncate (options, 0);
+            xdg_app_table_printer_add_column (printer, remotes[ii]);
 
           xdg_app_table_printer_finish_row (printer);
         }
+    }
 
-      xdg_app_table_printer_print (printer);
-      xdg_app_table_printer_free (printer);
-    }
-  else
-    {
-      for (ii = 0; ii < n_remotes; ii++)
-        g_print ("%s\n", remotes[ii]);
-    }
+  xdg_app_table_printer_print (printer);
+  xdg_app_table_printer_free (printer);
 
   return TRUE;
 }

doc/xdg-app-list-remotes.xml

@@ -42,8 +42,9 @@
             Lists the known remote repositories.
         </para>
         <para>
-           Unless overridden with the --user option, this command
-           shows the system-wide configuration.
+            By default, both per-user and system-wide installations
+            are shown. Use the --user or --system options to change
+            this.
         </para>
 
     </refsect1>

lib/xdg-app-utils.c

@@ -774,6 +774,26 @@ xdg_app_table_printer_add_column (XdgAppTablePrinter *printer,
   g_ptr_array_add (printer->current, text ? g_strdup (text) : g_strdup (""));
 }
 
+void
+xdg_app_table_printer_append_with_comma (XdgAppTablePrinter *printer,
+                                         const char *text)
+{
+  char *old, *new;
+
+  g_assert (printer->current->len > 0);
+
+  old = g_ptr_array_index (printer->current, printer->current->len - 1);
+
+  if (old[0] != 0)
+    new = g_strconcat (old, ",", text, NULL);
+  else
+    new = g_strdup (text);
+
+  g_ptr_array_index (printer->current, printer->current->len - 1) = new;
+  g_free (old);
+}
+
+
 void
 xdg_app_table_printer_finish_row (XdgAppTablePrinter *printer)
 {
@@ -808,7 +828,7 @@ xdg_app_table_printer_print (XdgAppTablePrinter *printer)
       char **row = g_ptr_array_index (printer->rows,i);
 
       for (j = 0; row[j] != NULL; j++)
-        g_print ("%-*s%s", widths[j], row[j], j == printer->n_columns - 1 ? "" : "\t");
+        g_print ("%s%-*s", (j == 0) ? "" : "\t", widths[j], row[j]);
       g_print ("\n");
     }
 }

lib/xdg-app-utils.h

@@ -132,13 +132,14 @@ gint xdg_app_mkstempat (int dir_fd,
 
 typedef struct XdgAppTablePrinter XdgAppTablePrinter;
 
-XdgAppTablePrinter *xdg_app_table_printer_new        (void);
-void                xdg_app_table_printer_free       (XdgAppTablePrinter *printer);
-void                xdg_app_table_printer_add_column (XdgAppTablePrinter *printer,
-                                                      const char         *text);
-void                xdg_app_table_printer_finish_row (XdgAppTablePrinter *printer);
-void                xdg_app_table_printer_print      (XdgAppTablePrinter *printer);
-
+XdgAppTablePrinter *xdg_app_table_printer_new               (void);
+void                xdg_app_table_printer_free              (XdgAppTablePrinter *printer);
+void                xdg_app_table_printer_add_column        (XdgAppTablePrinter *printer,
+                                                             const char         *text);
+void                xdg_app_table_printer_append_with_comma (XdgAppTablePrinter *printer,
+                                                             const char         *text);
+void                xdg_app_table_printer_finish_row        (XdgAppTablePrinter *printer);
+void                xdg_app_table_printer_print             (XdgAppTablePrinter *printer);
 
 #define AUTOLOCK(name) G_GNUC_UNUSED __attribute__((cleanup(xdg_app_auto_unlock_helper))) GMutex * G_PASTE(auto_unlock, __LINE__) = xdg_app_auto_lock_helper (&G_LOCK_NAME (name))