From 1ef40ac230fd4acdf3183357b19f393dc297e788 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Fri, 10 Dec 2021 14:07:58 +0100
Subject: [PATCH] ci: add flake test

- Check flake
- Check nixos-search doc generation
---
 .cirrus.yml                  |  7 +++++++
 test/nixos-search/ci-test.sh | 23 +++++++++++++++++++++++
 test/nixos-search/flake.nix  |  4 ++++
 3 files changed, 34 insertions(+)
 create mode 100755 test/nixos-search/ci-test.sh

diff --git a/.cirrus.yml b/.cirrus.yml
index 294b910..2dff4ac 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -29,3 +29,10 @@ task:
         - echo "sandbox = true" >> /etc/nix/nix.conf
         - export NIX_PATH="nixpkgs=$(nix eval --raw -f pkgs/nixpkgs-pinned.nix nixpkgs)"
         - nix run -f '<nixpkgs>' bash coreutils cachix -c ./test/ci/build.sh
+
+    - name: flake
+      container:
+        image: nixpkgs/nix-flakes
+      build_script:
+        - nix flake check
+        - ./test/nixos-search/ci-test.sh
diff --git a/test/nixos-search/ci-test.sh b/test/nixos-search/ci-test.sh
new file mode 100755
index 0000000..e719fb4
--- /dev/null
+++ b/test/nixos-search/ci-test.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "${BASH_SOURCE[0]%/*}"
+
+# Use cachix to cache the `flake-info` build
+cachixCache=nix-bitcoin
+
+nix run .#cachix -- use $cachixCache
+
+# We're running in a basic, unprivileged container that doesn't support sandboxing.
+# Sandboxing is unnneeded because we're only building the 3rd-party `flake-info` tool.
+echo "sandbox = false" >> /etc/nix/nix.conf
+export PATH=$(nix shell -L .#flake-info .#cachix -c sh -c 'echo $PATH')
+
+if [[ ${CACHIX_SIGNING_KEY:-} ]]; then
+    cachix push $cachixCache $(type -P flake-info);
+fi
+
+# flake-info requires '<nixpkgs>'
+export NIX_PATH=nixpkgs=$(nix eval --raw .#nixpkgsPath)
+echo "Running flake-info (nixos-search)"
+flake-info flake ./.
diff --git a/test/nixos-search/flake.nix b/test/nixos-search/flake.nix
index f92bf29..76eb49e 100644
--- a/test/nixos-search/flake.nix
+++ b/test/nixos-search/flake.nix
@@ -5,5 +5,9 @@
   inputs.nixos-search.url = "github:nixos/nixos-search";
   outputs = { self, nixos-search }: {
     inherit (nixos-search) packages;
+
+    # Used by ./ci-test.sh
+    inherit (nixos-search.inputs.nixpkgs) legacyPackages;
+    nixpkgsPath = toString nixos-search.inputs.nixpkgs;
   };
 }