From 57be688f6b83189828e2959f14f1ad6cedd0fa73 Mon Sep 17 00:00:00 2001
From: Axel Burri <axel@tty0.ch>
Date: Sat, 12 Nov 2016 13:21:33 +0100
Subject: [PATCH] btrbk: bugfix: fix "list latest" with no snapshots

---
 ChangeLog | 1 +
 btrbk     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 721780e..339ca26 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@ btrbk-current
   * Bugfix: Replace "realpath" with "readlink" in ssh_filter_btrbk.sh
   * Add "raw_target_block_size" configuration option (close #105).
   * Add "backend" configuration option (experimental).
+  * Bugfix: fix "list latest" with no snapshots (close #111).
 
 btrbk-0.23.3
 
diff --git a/btrbk b/btrbk
index 03abb90..0c32c92 100755
--- a/btrbk
+++ b/btrbk
@@ -4770,7 +4770,7 @@ MAIN:
           unless($found) {
             my $latest_snapshot = get_latest_snapshot_child($sroot, $svol);
             push @data, { type => "latest_snapshot",
-                          status => ($latest_snapshot->{node}{cgen} == $svol->{node}{gen}) ? "up-to-date" : undef,
+                          status => ($latest_snapshot && ($latest_snapshot->{node}{cgen} == $svol->{node}{gen})) ? "up-to-date" : undef,
                           vinfo_prefixed_keys("source", $svol),
                           vinfo_prefixed_keys("snapshot", $latest_snapshot), # all unset if no $latest_snapshot
                         };