about summary refs log tree commit diff
path: root/scripts/nix-copy-closure.in
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/nix-copy-closure.in')
-rwxr-xr-xscripts/nix-copy-closure.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/nix-copy-closure.in b/scripts/nix-copy-closure.in
index 9536ee84d89b..23d5619519a4 100755
--- a/scripts/nix-copy-closure.in
+++ b/scripts/nix-copy-closure.in
@@ -78,6 +78,8 @@ while (@ARGV) {
     }
 }
 
+die "$0: you did not specify a host name\n" unless defined $sshHost;
+
 
 openSSHConnection $sshHost or die "$0: unable to start SSH\n";