Add a fake-self option to control the self symlink

* main.c (argp_parse, main): Add the --fake-self option.
* main.h: Publish it.
* rootdir.c (rootdir_gc_fakeself, rootdir_entries,
  rootdir_create_node): Use it.

1 files changed, 1 insertions, 0 deletions

diff --git a/main.h b/main.h
index 6669d321..361380b3 100644
--- a/main.h
+++ b/main.h
@@ -1,3 +1,4 @@
 /* Startup options */
 extern int opt_clk_tck;
 extern mode_t opt_stat_mode;
+extern pid_t opt_fake_self;