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-rw-r--r--gnu/machine/ssh.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/gnu/machine/ssh.scm b/gnu/machine/ssh.scm
index 23ae917b79..1b88fb44cc 100644
--- a/gnu/machine/ssh.scm
+++ b/gnu/machine/ssh.scm
@@ -103,6 +103,9 @@ one from the configuration's parameters if one was not provided."
(port (machine-ssh-configuration-port config))
(identity (machine-ssh-configuration-identity config))
(host-key (machine-ssh-configuration-host-key config)))
+ (unless host-key
+ (warning (G_ "<machine-ssh-configuration> without a 'host-key' \
+is deprecated~%")))
(open-ssh-session host-name
#:user user
#:port port