···

       
96
       
96
       
 
       
# If ‘--upgrade’ is given, run ‘nix-channel --update nixos’.

     

       
97
       
97
       
 
       
if [ -n "$upgrade" -a -z "$_NIXOS_REBUILD_REEXEC" ]; then

     

       
98
       
98
       
 
       
    nix-channel --update nixos

     

       
99
       
99
       
+
       


     

       
100
       
100
       
+
       
    # If there are other channels that contain a file called

     

       
101
       
101
       
+
       
    # ".update-on-nixos-rebuild", update them as well.

     

       
102
       
102
       
+
       
    for channelpath in /nix/var/nix/profiles/per-user/root/channels/*; do

     

       
103
       
103
       
+
       
        if [ -e "$channelpath/.update-on-nixos-rebuild" ]; then

     

       
104
       
104
       
+
       
            nix-channel --update "$(basename "$channelpath")"

     

       
105
       
105
       
+
       
        fi

     

       
106
       
106
       
+
       
    done

     

       
99
       
107
       
 
       
fi

     

       
100
       
108
       
 
       


     

       
101
       
109
       
 
       
# Make sure that we use the Nix package we depend on, not something

     

···

       
28
       
28
       
 
       
          [ "/nix/var/nix/profiles/per-user/root/channels/nixos"

     

       
29
       
29
       
 
       
            "nixpkgs=/etc/nixos/nixpkgs"

     

       
30
       
30
       
 
       
            "nixos-config=/etc/nixos/configuration.nix"

     

       
31
       
31
       
+
       
            "/nix/var/nix/profiles/per-user/root/channels"

     

       
31
       
32
       
 
       
          ];

     

       
32
       
33
       
 
       
      };

     

       
33
       
34