From 0022d95be7c99aa711c16bbc53d358a1fd8c4e08 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Fri, 31 May 2019 21:04:04 -0300
Subject: Add Bash confirmation before writing local-configuration.nix

Taken from:
https://stackoverflow.com/questions/1885525/how-do-i-prompt-a-user-for-confirmation-in-bash-script
---
 public/install-nixos.sh | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'public')

diff --git a/public/install-nixos.sh b/public/install-nixos.sh
index f5bf321..b1eb126 100755
--- a/public/install-nixos.sh
+++ b/public/install-nixos.sh
@@ -63,8 +63,22 @@ wget -O "${TMP_DIR}/hardware-configuration.nix" "${SERVER}/hardware-configuratio
 wget -O "${TMP_DIR}/template.nix"               "${SERVER}/template.nix"
 green "Done."
 
+yellow "Creating content of '/etc/nixos/local-configuration.nix'..."
 export HOST_NAME
 export DEVICE
-envsubst < "${TMP_DIR}/template.nix" > /etc/nixos/local-configuration.nix
+envsubst < "${TMP_DIR}/template.nix" > "${TMP_DIR}/local-configuration.nix"
+blue "$(cat "${TMP_DIR}/local-configuration.nix")"
+read -p "Confirm content of '/etc/nixos/local-configuration.nix'? (y/N) " -n 1 -r
+echo # Move to a new line
+if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+  red "Unconfirmed content of '/etc/nixos/local-configuration.nix'."
+  red "Exitting."
+  exit 1
+fi
+green "Done."
+
+yellow "Moving presented content to '/etc/nixos/local-configuration.nix'..."
+echo mv "${TMP_DIR}/local-configuration.nix" /etc/nixos/local-configuration.nix
+green "Done."
 
 # fdisk
-- 
cgit v1.2.3