From b15029dbb334158df09005da5a9e061bec849b1a Mon Sep 17 00:00:00 2001
From: Paganin <paganin.1@osu.edu>
Date: Fri, 23 Oct 2026 15:16:33 -0400
Subject: [PATCH] add GitHub Actions check

---
 .Rbuildignore                      |  1 +
 .github/workflows/R-CMD-check.yaml | 57 ++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 .github/workflows/R-CMD-check.yaml

diff --git a/.Rbuildignore b/.Rbuildignore
index f2489e9..9ca628f 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
 ^cppp\.Rproj$
 ^\.Rproj\.user$
 ^DEV_PLAN_offline_discrepancy\.md$
+^\.github$
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
new file mode 100644
index 0000000..a0d2617
--- /dev/null
+++ b/.github/workflows/R-CMD-check.yaml
@@ -0,0 +1,57 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/master/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  - push
+  - pull_request
+
+name: R-CMD-check
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: ubuntu-latest,  r: 'release'}
+          - {os: ubuntu-latest,  r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,  r: 'oldrel-1'}
+          - {os: macOS-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ runner.os }}-r${{ matrix.config.r }}-results
+          path: check