ssh keys update: Mention hardlink approach in error message

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/sshkeys.rs b/src/sshkeys.rs
index 6f9d6373b44906dc8c76ebe09eb05450fe36598c..ab4fd3fb3ec5897c9314dc6582eceade3c7c5dcd 100644 (file)
--- a/src/sshkeys.rs
+++ b/src/sshkeys.rs
@@ -500,7 +500,8 @@ impl Global {
            }
       }
       Err(anyhow!(
-          "first line is not as expected (manually written/edited?)"
+          "first line is not as expected (manually written/edited?) \
+           (before first run, make static include be a hardlink to real file)"
       ))
     })()
       .context("check authorized_keys magic/banner")?;