From 7c8f40f29dbad70dbb10e6ae6e2bd12b1dd5f9ca Mon Sep 17 00:00:00 2001
From: Sergei Zimmerman <sergei@zimmerman.foo>
Date: Sun, 28 Dec 2025 05:18:43 +0300
Subject: [PATCH] ci: Run flake-regressions also with the newly built daemon

Runs the tests against the new daemon as well as the cli.

This more reliably shares the artifact (not relying directly on github
actions cache). We've seen github evict our caches super fast, so it would
be nice to move away from it entirely if possible.

(cherry picked from commit 6eebfe62743140462af50e25a2a558c2850534eb)
---
 .github/workflows/ci.yml | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe9d94248..0d70af6f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -287,13 +287,21 @@ jobs:
         with:
           repository: NixOS/flake-regressions-data
           path: flake-regressions/tests
-      - uses: ./.github/actions/install-nix-action
+      - name: Download installer tarball
+        uses: actions/download-artifact@v7
         with:
-          dogfood: ${{ github.event_name == 'workflow_dispatch' && inputs.dogfood || github.event_name != 'workflow_dispatch' }}
-          extra_nix_config:
-            experimental-features = nix-command flakes
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-      - run: nix build -L --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH MAX_FLAKES=25 flake-regressions/eval-all.sh
+          name: installer-linux
+          path: out
+      - name: Looking up the installer tarball URL
+        id: installer-tarball-url
+        run: |
+          echo "installer-url=file://$GITHUB_WORKSPACE/out" >> "$GITHUB_OUTPUT"
+      - uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
+        with:
+          install_url: ${{ format('{0}/install', steps.installer-tarball-url.outputs.installer-url) }}
+          install_options: ${{ format('--tarball-url-prefix {0}', steps.installer-tarball-url.outputs.installer-url) }}
+      - name: Run flake regressions tests
+        run: MAX_FLAKES=25 flake-regressions/eval-all.sh
 
   profile_build:
     needs: tests