status: Introduce tool to quickly check if we are booted as default

Generally is ostree based systems you would expect to boot into deployment 0, in rollback conditions triggered by greenboot-related rollbacks this might not be the case. This is a tool to detect this. Signed-off-by: Eric Curtin <[email protected]>
ostreedev · Jan 5, 2024 · 916e4cd · 916e4cd
1 parent ac8638f
commit 916e4cd
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/ostree/ot-admin-builtin-status.c b/src/ostree/ot-admin-builtin-status.c
@@ -30,12 +30,15 @@
 
 static gboolean opt_verify;
 static gboolean opt_skip_signatures;
+static gboolean opt_query_booted;
 
 static GOptionEntry options[]
     = { { "verify", 'V', 0, G_OPTION_ARG_NONE, &opt_verify, "Print the commit verification status",
           NULL },
         { "skip-signatures", 'S', 0, G_OPTION_ARG_NONE, &opt_skip_signatures,
           "Print the commit verification status", NULL },
+        { "query-booted", 'Q', 0, G_OPTION_ARG_NONE, &opt_query_booted,
+          "Print whether the default deployment is booted or not", NULL },
         { NULL } };
 static gboolean
 deployment_print_status (OstreeSysroot *sysroot, OstreeRepo *repo, OstreeDeployment *deployment,
@@ -204,6 +207,11 @@ ot_admin_builtin_status (int argc, char **argv, OstreeCommandInvocation *invocat
     {
       g_print ("No deployments.\n");
     }
+  else if (opt_query_booted)
+    {
+      const gboolean is_default_booted = deployments->pdata[0] == booted_deployment;
+      g_print ("%s\n", is_default_booted ? "default" : "not-default");
+    }
   else
     {
       for (guint i = 0; i < deployments->len; i++)