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ssh.completion.bash: parse "Host" directives from all config files 

The ssh config can include other files using "Include".
The previous code was not taking this into consideration.
pull/1015/head
Cristian Vasile Mocanu 2017-08-03 16:03:06 +02:00
parent 702d923054
commit b3688b39d8
1 changed files with 10 additions and 5 deletions
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15
completion/available/ssh.completion.bash
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@ -11,11 +11,16 @@ _sshcomplete() {
local OPTIONS=" -- ${CURRENT_PROMPT}"
fi
# parse all defined hosts from .ssh/config
if [ -r "$HOME/.ssh/config" ]; then
COMPREPLY=($(compgen -W "$(grep ^Host "$HOME/.ssh/config" | awk '{for (i=2; i<=NF; i++) print $i}' )" ${OPTIONS}) )
fi
# Parse defined hosts from all ssh configuration files (taking "Include" directives into consideration).
# The solution relies on ssh printing the configuration files paths in verbose mode.
#
# We try to connect to localhost on port 4, which is reserved and should be unused.
# In case there is an ssh server listening on that port, we ask ssh to "do nothing" by executing "echo" remotely.
config_files="$(ssh -v 127.0.0.1 -p 4 echo 2>&1 | sed -n '/Reading configuration data/ s/.*Reading configuration data \([^\r]*\).*/\1/gp')"
for file in $config_files
do
COMPREPLY=(${COMPREPLY[@]} $(compgen -W "$(grep ^Host "${file}" | awk '{for (i=2; i<=NF; i++) print $i}' )" ${OPTIONS}) )
done
# parse all hosts found in .ssh/known_hosts
if [ -r "$HOME/.ssh/known_hosts" ]; then