feat: add set-nix-channel module to manage nix-channel automatically

hosts/fw/configuration.nix

@@ -64,6 +64,7 @@
 
     # setup network
     ./modules/setupnetwork.nix
+    ./modules/set-nix-channel.nix # Automatically manage nix-channel from /var/bento/channel
 
 
     ./hardware-configuration.nix

hosts/fw/modules/set-nix-channel.nix

@@ -0,0 +1 @@
+../../../utils/modules/set-nix-channel.nix

hosts/mail/configuration.nix

@@ -15,6 +15,7 @@
     ./utils/modules/promtail
     ./utils/modules/victoriametrics
     ./utils/modules/netdata.nix
+    ./modules/set-nix-channel.nix # Automatically manage nix-channel from /var/bento/channel
 
     ./hardware-configuration.nix
   ];

hosts/mail/modules/set-nix-channel.nix

@@ -0,0 +1 @@
+../../../utils/modules/set-nix-channel.nix

hosts/nb/configuration.nix

@@ -42,6 +42,7 @@ in {
 
       # ./modules/steam.nix
       ./modules/fingerprint.nix
+      ./modules/set-nix-channel.nix # Automatically manage nix-channel from /var/bento/channel
 
       ./hardware-configuration.nix
 

hosts/nb/modules/set-nix-channel.nix

@@ -0,0 +1 @@
+../../../utils/modules/set-nix-channel.nix

hosts/web-arm/configuration.nix

@@ -23,6 +23,7 @@
     ./utils/modules/promtail
     ./utils/modules/borgbackup.nix
     ./utils/modules/netdata.nix
+    ./modules/set-nix-channel.nix # Automatically manage nix-channel from /var/bento/channel
 
     ./hardware-configuration.nix
 

hosts/web-arm/modules/set-nix-channel.nix

@@ -0,0 +1 @@
+../../../utils/modules/set-nix-channel.nix