#!/usr/bin/env bash # This script parses the ssh config at ~/.ssh/config to find user@host # entries, then uses gum choose to select one user@host to ssh into. # Check for gum. if ! test -x "$(command -v gum)"; then echo "Missing dependency: gum" echo "See github.com/charmbracelet/gum" exit 1 fi SSH_CONFIG="${HOME}/.ssh/config" usern_array=() hostn_array=() logins=() # Read Users from ssh config and store them in usern_array. while IFS= read -r line; do if [[ "$line" == *"User"* ]]; then usern=$(echo $line | awk '{ print $2 }') usern_array+=($usern) fi done < "${SSH_CONFIG}" # Read HostNames from ssh config and store them in hostn_array. while IFS= read -r line; do if [[ "$line" == *"HostName"* ]]; then hostn=$(echo $line | awk '{ print $2 }') hostn_array+=($hostn) fi done < "${SSH_CONFIG}" # Set the array_len to the size of usern_array - 1. let "array_len = ${#usern_array[@]} - 1" # Iterate through usern_array and hostn_array and match user and host # pairs, then store them in the logins array in "user@host" format. for i in $(seq 0 $array_len); do userhost=$(printf "%s@%s" "${usern_array[i]}" "${hostn_array[i]}") logins+=($userhost) done # Print each member of logins array on a new line and pipe to gum choose. # Store selection. selection=$(printf "%s\n" "${logins[@]}" | gum choose --limit=1) # If $selection is non-empty, pass it to the ssh -X command. if test -n "${selection}"; then autossh -M 0 "${selection}" -X fi