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* Prevent set -u from falling over unset SSH_CONNECTION variable 0.3.2
authormartin f. krafft <madduck@madduck.net>
Sun, 16 Mar 2008 07:56:50 +0000 (08:56 +0100)
committermartin f. krafft <madduck@madduck.net>
Sun, 16 Mar 2008 07:56:50 +0000 (08:56 +0100)
  (closes: #471129).

shutdown patch | blob | history

diff --git a/shutdown b/shutdown
index 29bd8fe607102b41839c1ba30f78fc3d7e1c6d7e..0c52d92803e65b8e7615b918e9910e7ea55102b6 100755 (executable)
--- a/shutdown
+++ b/shutdown
@@ -91,7 +91,7 @@ test -t 0                    || do_real_cmd
 # was created by sshd.
 PTS=$(readlink /proc/$$/fd/0)
 if ! pgrep -f "^sshd.+${PTS#/dev/}[[:space:]]*$" >/dev/null \
-  && [ -z "$SSH_CONNECTION" ]; then
+  && [ -z "${SSH_CONNECTION:-}" ]; then
     if [ $PRETEND_SSH -eq 1 ]; then
       echo "I: this is not an SSH session, but --pretend-ssh was given..."
     else
prevent accidental system shutdowns/reboots

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