feat(android): durable Android build pipeline + GitHub Actions Fenix APK - #21
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Local full-source Android builds OOM the dev box (rustc peaks ~17GB RSS; kernel oom-killer hung the machine 2026-07-10 02:56), so compilation moves to a hosted runner with a 16GB swapfile absorbing the rustc peak. - patches/android/fenix-neonwolf-appid.patch: capture the manual tree edits (Fenix applicationId org.neonwolf + .browser/.browser.debug suffixes, app_name -> Neonwolf), wired into assets/patches.txt so `make dir` reproduces the tree from scratch - make build-android: normalize browser/config/version.txt to the pure Firefox version (Android Gradle computeVersionCode() dies on "152.0.1-3"), pass NEONWOLF_TREE, glob JDK/NDK paths instead of hardcoding - scripts/build-android.sh: derive tree from ./version + ./release, glob toolchain dirs (works on CI runners), NEONWOLF_BUILD_JOBS knob - .github/workflows/android-build.yml: manual dispatch or push to android/**; free disk, add swap, make fetch/dir, mach bootstrap mobile_android, make build-android, upload APKs + build log as artifacts - docs/ANDROID.md: reflect CI-first build reality Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011MVEMssXqLRUiqjkHgXxfL
The ubuntu-latest image ships an active 4GB /mnt/swapfile; fallocate on it fails with "Text file busy". swapoff + remove before creating the 16GB one. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011MVEMssXqLRUiqjkHgXxfL
configure execs RUSTC_WRAPPER directly; mach bootstrap installs sccache at ~/.mozbuild/sccache/sccache which is not on PATH, so the bare "sccache" died with FileNotFoundError on the runner. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011MVEMssXqLRUiqjkHgXxfL
Run 3 proved GeckoView + native uBO compiles on the runner (1h54m, swap absorbed the rustc peak) but produced no Fenix APK: mach build only builds GeckoView. Add the documented `mach gradle fenix:assembleDebug` step (mobile/android/docs/fenix.rst), point package-android at the fenix gradle output dir, and drop --enable-geckoview-lite (Fenix expects the full GV artifact; telemetry dies via prefs + liberation instead). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011MVEMssXqLRUiqjkHgXxfL
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Lands the Android build work on main:
Stacked on PR #20 (merged), so this PR is the four android-ci commits only.
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