bin/gumssh

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#!/usr/bin/env bash
if ! test -x "$(command -v gum)"; then
echo "Missing dependency: gum"
echo "See github.com/charmbracelet/gum"
exit 1
fi
if ! test -x "$(command -v autossh)"; then
echo "Missing dependency: autossh"
exit 1
fi
SSH_CONFIG="${HOME}/.ssh/config"
hostn_array=()
# Read HostNames from ssh config and store them in hostn_array.
while IFS= read -r line; do
if [[ "$line" == *"Host "* ]] && [[ "$line" != *"Host *" ]]; then
hostn=$(echo "$line" | awk '{ print $2 }')
hostn_array+=("$hostn")
fi
done <"${SSH_CONFIG}"
# Print each member of logins array on a new line and pipe to gum choose.
# Store selection.
selection=$(printf "%s\n" "${hostn_array[@]}" | gum choose --header="SSH Host" --limit=1)
# If $selection is not aborted by user, pass it to the `autossh -M 0` command.
if [ -n "${selection}" ]; then
autossh -M 0 "${selection}"
fi