From 2621fb38bac1ada2a5a1ef77d7589a3bb4bc7db7 Mon Sep 17 00:00:00 2001
From: Axel Burri <axel@tty0.ch>
Date: Tue, 22 Feb 2022 22:19:15 +0100
Subject: [PATCH] btrbk: allow ssh_user=no

---
 btrbk | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/btrbk b/btrbk
index 216ea53..911becc 100755
--- a/btrbk
+++ b/btrbk
@@ -98,7 +98,7 @@ my %config_options = (
   archive_preserve            => { default => undef,         accept => [qw( no )], accept_preserve_matrix => 1, context => [qw( global )] },
   archive_preserve_min        => { default => "all",         accept => [qw( all latest no ), qr/[0-9]+[hdwmy]/ ], context => [qw( global )] },
   ssh_identity                => { default => undef,         accept => [qw( no ) ], accept_file => { absolute => 1 } },
-  ssh_user                    => { default => "root",        accept => [ qr/[a-z_][a-z0-9_-]*/ ] },
+  ssh_user                    => { default => "root",        accept => [qw( no ), qr/[a-z_][a-z0-9_-]*/ ] },
   ssh_compression             => { default => undef,         accept => [qw( yes no )] },
   ssh_cipher_spec             => { default => [ "default" ], accept => [qw( default ), qr/[a-z0-9][a-z0-9@.-]+/ ], split => 1 },
   transaction_log             => { default => undef,         accept => [qw( no )], accept_file => { absolute => 1 }, context => [qw( global )] },
@@ -2762,7 +2762,8 @@ sub vinfo_rsh($;@)
   } elsif($ssh_compression) {
     push(@ssh_options, '-C');
   }
-  return ['ssh', @ssh_options, $ssh_user . '@' . $host ];
+  my $ssh_dest = $ssh_user ? $ssh_user . '@' . $host : $host;
+  return ['ssh', @ssh_options, $ssh_dest ];
 }