Use flakes in E2E, remove default.nix, shell.nix

.buildkite/release.yml

@@ -10,8 +10,8 @@ env:
 steps:
   - label: Add release commits
     key: add-release-commits
-    commands: |
-      ./scripts/buildkite/release/release-candidate.sh
+    commands:
+      - ./scripts/buildkite/release/release-candidate.sh
     agents:
       system: x86_64-linux
 
@@ -36,8 +36,8 @@ steps:
       - add-release-commits
       - refresh-node-state
       - linux-package
-    commands: |
-      ./scripts/buildkite/release/linux-e2e.sh
+    commands:
+      - nix develop -c ./scripts/buildkite/release/linux-e2e.sh
     artifact_paths:
       - "./result/linux/**"
       - "./logs/**/*"

.gitignore

@@ -78,3 +78,4 @@ lib/wallet-benchmarks/data/membench-snapshot
 
 ## Local cluster swagger golden actual
 lib/local-cluster/data/swagger.json.actual
+test/e2e/.direnv/flake-profile*

nix/haskell.nix

@@ -110,7 +110,17 @@ CHaP: haskell-nix: nixpkgs-recent: nodePkgs: haskell-nix.cabalProject' [
         filter = haskell-nix.haskellSourceFilter;
       };
 
-      shell = {
+      shell =
+        let
+          # To update gemset.nix, run:
+          #   nix-shell --arg bins false --run bundix
+          gems = pkgs.bundlerEnv {
+            name = "gems-cardano-wallet-e2e";
+            gemdir = ../test/e2e;
+            ruby = pkgs.ruby_3_1;
+          };
+        in
+      {
         name = "cardano-wallet-shell${lib.optionalString config.profiling "-profiled"}";
         packages = ps: builtins.attrValues (haskellLib.selectProjectPackages ps);
         tools = {
@@ -130,6 +140,11 @@ CHaP: haskell-nix: nixpkgs-recent: nodePkgs: haskell-nix.cabalProject' [
           nodePkgs.cardano-node
           cardano-addresses-cli.components.exes.cardano-address
           bech32.components.exes.bech32
+          # for e2e tests
+          gems
+          gems.wrappedRuby
+          pkgs.bundix
+          pkgs.screen
         ]) ++ (with pkgs.buildPackages.buildPackages; [
           just
           pkg-config

scripts/buildkite/release/fetch-preprod-snapshot.sh

@@ -23,15 +23,21 @@ if [ "$failed" ]; then
         fi
     fi
 
+    export failed2=false
     curl -o - \
         "https://downloads.csnapshots.io/testnet/$(cat file.new)" \
-        | lz4 -c -d - | tar -x -C .
+        | lz4 -c -d - | tar -x -C . || export failed2=true
 
-    mv file.new file.old
+    if [ "$failed2" ]; then
+        echo "Failed to fetch preprod snapshot."
+    else
+        echo "Successfully fetched preprod snapshot."
+        mv file.new file.old
 
-    rm -rf db-new
+        rm -rf db-new
 
-    mv db db-new
+        mv db db-new
+    fi
 else
-    echo "Failed to fetch preprod snapshot. Hope there is an old one available."
+    echo "Failed to fetch preprod snapshot name."
 fi

scripts/buildkite/release/linux-e2e.sh

@@ -1,4 +1,4 @@
-#! /usr/bin/env -S nix shell 'nixpkgs#rsync' 'nixpkgs#gnutar' --command bash
+#! /usr/bin/env -S nix shell 'nixpkgs#rsync' 'nixpkgs#gnutar' '.#cardano-wallet'  --command bash
 # shellcheck shell=bash
 
 set -euox pipefail
@@ -42,7 +42,6 @@ export TESTS_E2E_STATEDIR
 TESTS_E2E_TOKEN_METADATA=https://metadata.world.dev.cardano.org/
 export TESTS_E2E_TOKEN_METADATA
 
-
-nix-shell --run "rake run_on[preprod,sync,true]"
+rake "run_on[preprod,sync,true]"
 
 rm "$tmpfile"

test/e2e/.envrc

@@ -8,7 +8,7 @@ else
     # to prevent bootstrapping problems.
     # It's definitely better to use lorri, because direnv won't
     # be fast like this.
-    use nix
+    use flake
 fi
 
 # Source a user-specific config in .envrc-local at the project