fix: use Host line instead of HostName

gumssh

@@ -18,16 +18,16 @@ 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)
+        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 [[ "$line" == *"HostName"* ]]; then
+    if [[ "$line" == *"Host "* ]]; then
         hostn=$(echo $line | awk '{ print $2 }')
-        hostn_array+=($hostn)
+        hostn_array+=("$hostn")
     fi
 done < "${SSH_CONFIG}"
 
@@ -38,7 +38,7 @@ let "array_len = ${#usern_array[@]} - 1"
 # 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+=($userhost)
+    logins+=("$userhost")
 done
 
 # Print each member of logins array on a new line and pipe to gum choose.