From dace44ef16688b8bd48fe89e91b8c86739d5b1e8 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Wed, 9 Oct 2019 20:45:14 +0900
Subject: [PATCH] Better comments

---
 helpers.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/helpers.sh b/helpers.sh
index 61abfed..543e88b 100755
--- a/helpers.sh
+++ b/helpers.sh
@@ -69,7 +69,9 @@ btcpay_update_docker_env() {
 btcpay_expand_variables
 touch $BTCPAY_ENV_FILE
 
-# Fix up of a bug before
+# In a previous release, BTCPAY_HOST_SSHAUTHORIZEDKEYS was not saved into the .env, so the next update after setup
+# with BTCPAY_ENABLE_SSH set, BTCPAY_HOST_SSHAUTHORIZEDKEYS would get empty and break the SSH feature in btcpayserver
+# This condition detect this situation, and fix up BTCPAY_HOST_SSHAUTHORIZEDKEYS
 if [[ "$BTCPAY_ENABLE_SSH" == "true" ]] && ! [[ "$BTCPAY_HOST_SSHAUTHORIZEDKEYS" ]]; then
     BTCPAY_HOST_SSHAUTHORIZEDKEYS=~/.ssh/authorized_keys
     BTCPAY_HOST_SSHKEYFILE=""