ci: switch from Cirrus to Github Actions

test/ci/build_test_drivers.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "${BASH_SOURCE[0]%/*}"
+
+cachixCache=nix-bitcoin
+
+# Declare variables for shellcheck
+driverDrvs=()
+drivers=()
+scenarioTests=()
+
+# Call ./test-info.nix
+testInfo=$(time nix eval --raw --show-trace ../..#ciTestInfo)
+# This sets variables `driverDrvs`, `drivers`, `scenarioTests`
+eval "$testInfo"
+
+if nix path-info --store "https://${cachixCache}.cachix.org" "${scenarioTests[@]}" &>/dev/null; then
+    echo
+    echo "All tests have already been built successfully:"
+    printf '%s\n' "${scenarioTests[@]}"
+    exit 0
+fi
+
+echo "run_scenario_tests=true" >> "$GITHUB_OUTPUT"
+
+## Build test drivers
+
+if nix path-info --store "https://${cachixCache}.cachix.org" "${drivers[@]}" &>/dev/null; then
+    echo
+    echo "All test drivers have already been built successfully:"
+    exit 0
+fi
+
+if [[ -v GITHUB_ACTIONS ]]; then
+    # Avoid cachix warning message
+    mkdir -p ~/.config/nix && touch ~/.config/nix/nix.conf
+    cachix use "$cachixCache"
+fi
+
+if [[ $CACHIX_SIGNING_KEY ]]; then
+    # Speed up task by uploading store paths as soon as they are created
+    buildCmd="cachix watch-exec $cachixCache nix -- build"
+else
+    buildCmd="nix build"
+fi
+
+$buildCmd --no-link --print-build-logs "${driverDrvs[@]}"
+
+if [[ $CACHIX_SIGNING_KEY ]]; then
+    cachix push "$cachixCache" "${drivers[@]}"
+fi