Revdep check GHA

.github/revdepcheck/run.R

@@ -0,0 +1,13 @@
+options(repos = c(CRAN = "https://cloud.r-project.org"))
+
+if (Sys.getenv("PREVIOUS_RUN_ID") == "") {
+  revdepcheck::revdep_reset()
+}
+
+revdepcheck::revdep_check(
+  num_workers = 3,
+  timeout = as.difftime(
+    as.integer(Sys.getenv("TIMEOUT_MINUTES")),
+    units = "mins"
+  )
+)

.github/revdepcheck/run.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+set +e
+timeout -s TERM -k 5m 350m Rscript .github/revdepcheck/run.R
+code=$?
+set -e
+
+case "$code" in
+  124|130|137|143)
+    echo "again=true" >> "$GITHUB_OUTPUT"
+    exit 0
+    ;;
+  0)
+    echo "again=false" >> "$GITHUB_OUTPUT"
+    exit 0
+    ;;
+  *)
+    echo "again=false" >> "$GITHUB_OUTPUT"
+    exit "$code"
+    ;;
+esac

.github/run.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+set +e
+timeout -s INT -k 5m 350m Rscript .github/revdepcheck/run.R
+code=$?
+set -e
+
+if [ "$code" = "124" ] || [ "$code" = "130" ] || [ "$code" = "137" ]; then
+  echo "again=true" >> "$GITHUB_OUTPUT"
+  exit 0
+fi
+
+echo "again=false" >> "$GITHUB_OUTPUT"
+exit "$code"

.github/workflows/revdepcheck.yaml

@@ -0,0 +1,83 @@
+name: revdepcheck
+
+on:
+  workflow_dispatch:
+    inputs:
+      timeout_minutes:
+        description: "Timeout per reverse dependency"
+        required: false
+        default: "30"
+      previous_run_id:
+        description: "Previous run ID"
+        required: false
+        default: ""
+
+permissions:
+  contents: read
+  actions: write
+
+concurrency:
+  group: revdepcheck-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  revdepcheck:
+    runs-on: ubuntu-latest
+    timeout-minutes: 360
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      NOT_CRAN: "true"
+      TIMEOUT_MINUTES: ${{ inputs.timeout_minutes }}
+      PREVIOUS_RUN_ID: ${{ inputs.previous_run_id }}
+
+    steps:
+      - uses: actions/checkout@v7
+
+      - uses: actions/download-artifact@v8
+        if: ${{ inputs.previous_run_id != '' }}
+        with:
+          name: revdep-state
+          path: revdep
+          run-id: ${{ inputs.previous_run_id }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: r-lib/revdepcheck
+          needs: check
+
+      - name: Run revdepcheck
+        id: revdep
+        run: bash .github/revdepcheck/run.sh
+
+      - uses: actions/upload-artifact@v7
+        if: always()
+        with:
+          name: revdep-state
+          path: revdep/
+          retention-days: 14
+          if-no-files-found: ignore
+
+      - name: Continue
+        if: ${{ steps.revdep.outputs.again == 'true' }}
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh workflow run revdepcheck.yaml \
+            --ref "${{ github.ref_name }}" \
+            -f timeout_minutes="${{ inputs.timeout_minutes }}" \
+            -f previous_run_id="${{ github.run_id }}"
+
+      - name: Fail on broken revdeps
+        if: ${{ steps.revdep.outputs.again == 'false' }}
+        shell: Rscript {0}
+        run: |
+          status <- revdepcheck:::report_status(".")
+          if (status$broken > 0) {
+            stop(status$broken, " reverse dependencies have new failures.")
+          }