From 9074b655f5ea7fffc6299e7c6bb2bfb5fe5a7aa9 Mon Sep 17 00:00:00 2001
From: Krystine Sherwin <93062060+KrystalDelusion@users.noreply.github.com>
Date: Fri, 19 Jul 2024 14:30:16 +1200
Subject: [PATCH] ci: Test sparse build

This should fail with the current makefile.
Essentially a test case for #4470.
---
 .github/workflows/extra-builds.yml | 31 ++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/.github/workflows/extra-builds.yml b/.github/workflows/extra-builds.yml
index d7c6e13ff..aaed6f8a0 100644
--- a/.github/workflows/extra-builds.yml
+++ b/.github/workflows/extra-builds.yml
@@ -95,3 +95,34 @@ jobs:
         with:
           install_url: https://releases.nixos.org/nix/nix-2.18.1/install
       - run: nix build .?submodules=1
+
+  sparse-build:
+    name: "Build without abc or git" # emulate build from release tarball
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
+    runs-on: ubuntu-latest
+    env:
+      CC: clang
+    steps:
+      - name: Sparse checkout
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            .
+            backends
+            frontends
+            kernel
+            libs
+            misc
+            passes
+            techlibs
+
+      - name: Setup environment
+        uses: ./.github/actions/setup-build-env
+      
+      - name: Build
+        shell: bash
+        run: |
+          make config-$CC
+          make -j$procs
+