[sysprof] libsysprof: try local proc file access if not in flatpak

[Christian Hergert <chergert src gnome org>]

commit 234200f8d1f2b1d00c4b1e1a8664c30efe3fa723
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 20 13:33:14 2019 -0700

    libsysprof: try local proc file access if not in flatpak

 src/libsysprof/sysprof-helpers.c | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/libsysprof/sysprof-helpers.c b/src/libsysprof/sysprof-helpers.c
index b8e60db..3f5b0e7 100644
--- a/src/libsysprof/sysprof-helpers.c
+++ b/src/libsysprof/sysprof-helpers.c
@@ -343,6 +343,13 @@ sysprof_helpers_get_proc_file (SysprofHelpers  *self,
   g_return_val_if_fail (SYSPROF_IS_HELPERS (self), FALSE);
   g_return_val_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable), FALSE);
 
+  /* try locally first if we can */
+  if (!g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS))
+    {
+      if (helpers_get_proc_file (path, contents, &len))
+        return TRUE;
+    }
+
   if (self->proxy != NULL)
     {
       if (ipc_service_call_get_proc_file_sync (self->proxy, path, contents, cancellable, error))