lib.normalize-ip6-addr: no :: for single section

2018-12-12 00:34:32 +01:00 · 2018-12-12 00:34:32 +01:00 · 35be9c66bf
commit 35be9c66bf
parent 474e3e2e45
1 changed files with 7 additions and 1 deletions
--- a/lib/default.nix
+++ b/lib/default.nix
@ -93,7 +93,13 @@ let
          in
            if max.pos == 0
              then a
-              else "${concatStringsSep ":" lhs}::${concatStringsSep ":" rhs}";
+              else let
+                sep =
+                  if 8 - (length lhs + length rhs) == 1
+                    then ":0:"
+                    else "::";
+              in
+                "${concatStringsSep ":" lhs}${sep}${concatStringsSep ":" rhs}";

        drop-leading-zeros =
          let