From a1d885dbefb0a7163c622bc66b5629553ef311c5 Mon Sep 17 00:00:00 2001
From: James McCoy <jamessan@jamessan.com>
Date: Mon, 22 May 2023 08:45:11 -0400
Subject: ci: add check to ensure USE_EXISTING_SRC_DIR=ON builds work

---
 .github/workflows/build.yml | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to '.github/workflows')

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 605ba2b4c0..26197cdcd3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -78,3 +78,30 @@ jobs:
 
       - name: Install
         run: make install
+
+  use-existing-src:
+    name: Test USE_EXISTING_SRC_DIR=ON builds with no network access
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install build dependencies
+        run: ./.github/scripts/install_deps.sh
+
+      - name: Build bundled dependencies
+        run: make deps
+
+      - name: Clean bundled dependencies à la neovim/deps
+        run: |
+          rm -rf ./build
+          find .deps .deps/build -maxdepth 1 '!' \( -name .deps -o -name build -o -name src \) -exec rm -r '{}' +
+          cd .deps/build/src
+          rm -rf ./*-build
+          rm -rf ./*-stamp/*-{configure,build,install,done}
+          for d in *; do (cd "$d"; rm -rf ./autom4te.cache; make clean || true; make distclean || true); done
+
+      - name: Re-build bundled dependencies with no network access
+        run: unshare --map-root-user --net make deps DEPS_CMAKE_FLAGS=-DUSE_EXISTING_SRC_DIR=ON
+
+      - name: Build
+        run: make CMAKE_FLAGS="-D CI_BUILD=ON"
-- 
cgit