Add conditions to the SSH agent post-start command

Signed-off-by: ivinokur <[email protected]>

pkg/library/ssh/event.go

@@ -22,11 +22,14 @@ import (
 )
 
 const commandLine = `SSH_ENV_PATH=$HOME/ssh-environment \
-&& if [ -f /etc/ssh/passphrase ] && command -v ssh-add >/dev/null; \
-then ssh-agent | sed 's/^echo/#echo/' > $SSH_ENV_PATH \
-&& chmod 600 $SSH_ENV_PATH && source $SSH_ENV_PATH \
-&& ssh-add /etc/ssh/dwo_ssh_key < /etc/ssh/passphrase \
-&& if [ -f $HOME/.bashrc ] && [ -w $HOME/.bashrc ]; then echo "source ${SSH_ENV_PATH}" >> $HOME/.bashrc; fi; fi`
+&& if [ -f /etc/ssh/passphrase ] && [ -w $HOME ] && command -v ssh-add >/dev/null; then\
+	ssh-agent | sed 's/^echo/#echo/' > $SSH_ENV_PATH \
+	&& chmod 600 $SSH_ENV_PATH \
+	&& source $SSH_ENV_PATH \
+	&& if timeout 3 ssh-add /etc/ssh/dwo_ssh_key < /etc/ssh/passphrase && [ -f $HOME/.bashrc ] && [ -w $HOME/.bashrc ]; then \
+		echo "source ${SSH_ENV_PATH}" >> $HOME/.bashrc; \
+	fi; \
+fi`
 
 // AddSshAgentPostStartEvent Start ssh-agent and add the default ssh key to it, if the ssh key has a passphrase.
 // Initialise the ssh-agent session env variables in the user .bashrc file.