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From b2659246f3e2afcbf51a92ee6839775de4e6487a Mon Sep 17 00:00:00 2001
From: Rui Matos <tiagomatos@gmail.com>
Date: Mon, 23 Jan 2017 19:42:44 +0100
Subject: [PATCH] Exit gracefully if we are disabled systemwide

Sysadmins might want to disable any kind of initial setup for their
users, perhaps because they pre-configure their environments. We
should provide an easy way to do it.

At least the anaconda installer provides an option to skip any kind
post-install setup tools so, for now we're only adding support for
that but more might be added in the future.

https://bugzilla.gnome.org/show_bug.cgi?id=777707
---
 gnome-initial-setup/Makefile.am           |  3 ++-
 gnome-initial-setup/gnome-initial-setup.c | 34 +++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/gnome-initial-setup/Makefile.am b/gnome-initial-setup/Makefile.am
index d275dda..465b598 100644
--- a/gnome-initial-setup/Makefile.am
+++ b/gnome-initial-setup/Makefile.am
@@ -11,7 +11,8 @@ AM_CPPFLAGS = \
 	-DUIDIR="\"$(uidir)\"" \
 	-DGNOMELOCALEDIR=\""$(datadir)/locale"\" \
 	-DLIBLOCALEDIR=\""$(prefix)/lib/locale"\" \
-	-DDATADIR=\""$(datadir)"\"
+	-DDATADIR=\""$(datadir)"\" \
+	-DSYSCONFDIR=\""$(sysconfdir)"\"
 
 libexec_PROGRAMS = gnome-initial-setup gnome-initial-setup-copy-worker
 
diff --git a/gnome-initial-setup/gnome-initial-setup.c b/gnome-initial-setup/gnome-initial-setup.c
index 2ec91b9..10b5f84 100644
--- a/gnome-initial-setup/gnome-initial-setup.c
+++ b/gnome-initial-setup/gnome-initial-setup.c
@@ -186,6 +186,31 @@ get_mode (void)
     return GIS_DRIVER_MODE_NEW_USER;
 }
 
+static gboolean
+initial_setup_disabled_by_anaconda (void)
+{
+  GKeyFile *key_file;
+  const gchar *file_name = SYSCONFDIR "/sysconfig/anaconda";
+  gboolean disabled = FALSE;
+  GError *error = NULL;
+
+  key_file = g_key_file_new ();
+  if (!g_key_file_load_from_file (key_file, file_name, G_KEY_FILE_NONE, &error)) {
+    if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT) &&
+        !g_error_matches (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_NOT_FOUND)) {
+      g_warning ("Could not read %s: %s", file_name, error->message);
+    }
+    g_error_free (error);
+    goto out;
+  }
+
+  disabled = g_key_file_get_boolean (key_file, "General",
+                                     "post_install_tools_disabled", NULL);
+ out:
+  g_key_file_unref (key_file);
+  return disabled;
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -226,6 +251,15 @@ main (int argc, char *argv[])
 
   mode = get_mode ();
 
+  /* We only do this in existing-user mode, because if gdm launches us
+   * in new-user mode and we just exit, gdm's special g-i-s session
+   * never terminates. */
+  if (initial_setup_disabled_by_anaconda () &&
+      mode == GIS_DRIVER_MODE_EXISTING_USER) {
+    gis_ensure_stamp_files ();
+    exit (EXIT_SUCCESS);
+  }
+
   /* When we are running as the gnome-initial-setup user we
    * dont have a normal user session and need to initialize
    * the keyring manually so that we can pass the credentials
-- 
2.9.3