Run test suite in emulator as part of Android build workflow

.github/workflows/android-static-build.yml

@@ -43,6 +43,8 @@ jobs:
           - abi: armeabi-v7a     # older 32-bit phones
             triple: armv7a-linux-androideabi
             qemu: qemu-arm-static
+          - abi: x86_64
+            triple: x86_64-linux-android
     steps:
       - uses: actions/checkout@v4
         with:
@@ -89,6 +91,7 @@ jobs:
           "$STRIP" rsync
 
       - name: Verify binary
+        if: matrix.abi != 'x86_64'
         shell: bash
         run: |
           set -euo pipefail
@@ -102,6 +105,24 @@ jobs:
           ${{ matrix.qemu }} ./rsync --version | head -3 || \
             echo "WARNING: qemu smoke test did not run cleanly (check on a real device)"
 
+      - name: Enable hardware acceleration for emulator
+        if: matrix.abi == 'x86_64'
+        run: echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666",
+                   OPTIONS+="static_node=kvm"'
+                | sudo tee /etc/udev/rules.d/99-kvm4all.rules;
+          sudo udevadm control --reload-rules;
+          sudo udevadm trigger --name-match=kvm
+
+      - name: Run Tests
+        if: matrix.abi == 'x86_64'
+        uses: reactivecircus/android-emulator-runner@e89f39f1abbbd05b1113a29cf4db69e7540cae5a
+        with:
+          api-level: 30
+          arch: x86_64
+          script: ./support/android-run-tests
+        env:
+          GH_TOKEN: ${{ github.token }}
+
       - name: Package
         shell: bash
         run: |

support/android-run-tests

@@ -0,0 +1,53 @@
+#!/bin/sh -e
+
+# Copyright © 2026 Matt Robinson
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# TODO check that we are configured to build for Android
+
+if ! adb -e get-state > /dev/null 2>&1; then
+    echo 'Unable to find a running Android emulator' >&2
+    exit 1
+fi
+
+make tls trimslash t_unsafe t_chmod_secure t_secure_relpath wildtest getgroups getfsdev
+
+termuxfiles=/data/user/0/com.termux/files
+tempdir=$(mktemp -d)
+trap 'rm -rf "$tempdir"' EXIT
+
+# TODO: Wrangle into a single find command?
+(
+    find . -maxdepth 1 -type f -executable -print0
+    find ./testsuite -maxdepth 1 -type f -print0
+) | tar -cf "$tempdir/transfer.tar" --null -T -
+
+adb -e root
+
+if [ -z "$(adb shell pm list packages com.termux)" ]; then
+    gh release download --repo termux/termux-app  --dir "$tempdir" \
+        --pattern 'termux-app_v*-debug_x86_64.apk'
+    adb install "$tempdir"/termux-app_*.apk
+
+    # Launch Termux so that it bootstraps the environment
+    adb shell monkey -p com.termux 1
+
+    # termux.properties appears to be created at the end of the bootstrapping
+    until adb shell test -f $termuxfiles/home/.termux/termux.properties; do
+        sleep 1
+    done
+fi
+
+adb shell run-as com.termux sh -c "'cat > $termuxfiles/home/transfer.tar'" < "$tempdir/transfer.tar"
+
+adb shell run-as com.termux files/usr/bin/bash -le <<EOF
+export PATH=$termuxfiles/usr/bin:\$PATH
+export LD_PRELOAD=$termuxfiles/usr/lib/libtermux-exec.so
+export HOME=$termuxfiles/home
+cd
+command -v python || pkg install -y --no-install-recommends python
+tar -xf transfer.tar
+python ./runtests.py -j 8
+EOF
+