chore: Use sets, not lists, to define jobs (dfinity#1314)

as hydra doesn’t like lists, it wants names for all jobs. Fixes dfinity#1309.

e2e/default.nix

@@ -15,7 +15,7 @@ let
     assets = lib.gitOnlySource ./assets;
   };
 in
-[
-  (import ./tests-dfx args)
-  (import ./tests-replica args)
-]
+{
+  dfx = import ./tests-dfx args;
+  replica = import ./tests-replica args;
+}

e2e/tests-dfx/build.bash

@@ -92,8 +92,9 @@ teardown() {
 
 @test "build succeeds with URL as network parameter" {
     dfx_start
-    dfx canister --network http://127.0.0.1:${REPLICA_PORT} create --all
-    assert_command dfx build --network http://127.0.0.1:${REPLICA_PORT}
+    webserver_port=$(cat .dfx/webserver-port)
+    dfx canister --network http://127.0.0.1:$webserver_port create --all
+    assert_command dfx build --network http://127.0.0.1:$webserver_port
 }
 
 @test "build succeeds when requested network is configured" {

e2e/tests-dfx/ping.bash

@@ -67,8 +67,8 @@ teardown() {
 }
 
 @test "dfx ping can have a URL for network to ping" {
-    dfx_start --host 127.0.0.1:12346
-
-    assert_command dfx ping http://127.0.0.1:12346
+    dfx_start
+    webserver_port=$(cat .dfx/webserver-port)
+    assert_command dfx ping http://127.0.0.1:$webserver_port
     assert_match "\"ic_api_version\""
 }

e2e/tests-dfx/provider.bash

@@ -50,6 +50,7 @@ teardown() {
 
 @test "network as URL creates the expected name" {
     dfx_start
-    dfx canister --network http://127.0.0.1:${REPLICA_PORT} create --all
-    [ -d ".dfx/http___127_0_0_1_${REPLICA_PORT}" ]
+    webserver_port=$(cat .dfx/webserver-port)
+    dfx canister --network http://127.0.0.1:$webserver_port create --all
+    [ -d ".dfx/http___127_0_0_1_$webserver_port" ]
 }

e2e/utils/_.bash

@@ -75,8 +75,6 @@ dfx_start() {
     printf "Replica Configured Port: %s\n" "${port}"
     printf "Webserver Configured Port: %s\n" "${webserver_port}"
 
-    export REPLICA_PORT=${webserver_port}
-
     timeout 5 sh -c \
         "until nc -z localhost ${port}; do echo waiting for replica; sleep 1; done" \
         || (echo "could not connect to replica on port ${port}" && exit 1)

shell.nix

@@ -5,5 +5,5 @@ in
 pkgs.mkCompositeShell {
   name = "dfinity-sdk-env";
   inputsFrom = pkgs.stdenv.lib.attrValues packages.shells;
-  buildInputs = [ pkgs.nix-fmt ];
+  nativeBuildInputs = [ pkgs.nix-fmt ];
 }