feat(users/Profpatsch/netencode/record-splice-env): ignore non-scal r/2210

The headers are not a scalar, so record-splice-env doesn’t know how to
convert them to an envvar; let’s just ignore everything that can’t be
converted to a scalar for now.

Change-Id: I74ed0aa942fcd26beb058705830bc2f2b516e93e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2523
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 8 insertions, 3 deletions

diff --git a/users/Profpatsch/netencode/default.nix b/users/Profpatsch/netencode/default.nix
index 4965bb74f20c..a54a946d6e0a 100644
--- a/users/Profpatsch/netencode/default.nix
+++ b/users/Profpatsch/netencode/default.nix
@@ -131,15 +131,20 @@ let
   } ''
     extern crate netencode;
     extern crate exec_helpers;
-    use netencode::dec::{Record, ScalarAsBytes, Decoder, DecodeError};
+    use netencode::dec::{Record, Try, ScalarAsBytes, Decoder, DecodeError};
 
     fn main() {
         let mut buf = vec![];
         let u = netencode::u_from_stdin_or_die_user_error("record-splice-env", &mut buf);
         let (_, prog) = exec_helpers::args_for_exec("record-splice-env", 0);
-        match Record(ScalarAsBytes).dec(u) {
+        match Record(Try(ScalarAsBytes)).dec(u) {
             Ok(map) => {
-                exec_helpers::exec_into_args("record-splice-env", prog, map);
+                exec_helpers::exec_into_args(
+                    "record-splice-env",
+                    prog,
+                    // some elements can’t be decoded as scalars, so just ignore them
+                    map.into_iter().filter_map(|(k, v)| v.map(|v2| (k, v2)))
+                );
             },
             Err(DecodeError(err)) => exec_helpers::die_user_error("record-splice-env", err),
         }