face-unlock-bin: new package

README.md

@@ -48,6 +48,7 @@ source in the `PKGBUILD` (and drop the `-bin` suffix), or don't package it.
 | `concat-bin` | [jub0t/Concat](https://github.com/jub0t/Concat) — prebuilt release of `concat` | `.deb` | [concat-bin](https://aur.archlinux.org/packages/concat-bin) |
 | `concat-git` | [jub0t/Concat](https://github.com/jub0t/Concat) — `main` branch of `concat` | *built from source* | [concat-git](https://aur.archlinux.org/packages/concat-git) |
 | `face-unlock` | [LoonixTools/face-unlock](https://github.com/LoonixTools/face-unlock): Face ID for Linux, for the lock screen, sudo and admin prompts on Plasma, GNOME, Hyprland and Niri, with a photo check (C++/Qt6, OpenCV). Called `plasma-face-unlock` before 2.0.0 | *built from source* | [face-unlock](https://aur.archlinux.org/packages/face-unlock) |
+| `face-unlock-bin` | [LoonixTools/face-unlock](https://github.com/LoonixTools/face-unlock): prebuilt release of `face-unlock`, with OpenCV linked in | tarball (built on Arch) | [face-unlock-bin](https://aur.archlinux.org/packages/face-unlock-bin) |
 | `faugus-launcher-bin` | [Faugus/faugus-launcher](https://github.com/Faugus/faugus-launcher) — launcher for Windows games via UMU-Launcher | `.deb` (`all`) | [faugus-launcher-bin](https://aur.archlinux.org/packages/faugus-launcher-bin) |
 | `fluxer-bin` | [fluxer.app](https://fluxer.app) — Fluxer desktop client (Electron) | tarball | [fluxer-bin](https://aur.archlinux.org/packages/fluxer-bin) |
 | `kitty-tune-bin` | [alan7383/KittyTuneDesktop](https://github.com/alan7383/KittyTuneDesktop) — SoundCloud and YouTube music player (Kotlin/Compose Multiplatform) | `.deb` | [kitty-tune-bin](https://aur.archlinux.org/packages/kitty-tune-bin) |
@@ -117,7 +118,8 @@ Then create a directory named after the AUR package containing:
   - `AUR_PUBLISH` — optional; set to `false` to keep a package out of the AUR
     while it is still being prepared. Everything else still runs, so the
     `PKGBUILD` is kept current and test-built; only the publishing waits.
-    Flip it to `true` to go live (`moondeckbuddy-bin`).
+    Flip it to `true` to go live (`moondeckbuddy-bin`). `face-unlock-bin` sets it
+    itself: it goes live with the first release that has its tarball.
 
   Other local source files in the directory (`.desktop` files, patches, …) are
   pushed to the AUR alongside `PKGBUILD` and `.SRCINFO`.

face-unlock-bin/.SRCINFO

@@ -0,0 +1,44 @@
+pkgbase = face-unlock-bin
+	pkgdesc = Face ID for Linux: the lock screen, sudo and admin prompts by face, on Plasma, GNOME, Hyprland and Niri (upstream binary)
+	pkgver = 0
+	pkgrel = 1
+	url = https://github.com/LoonixTools/face-unlock
+	install = face-unlock-bin.install
+	arch = x86_64
+	license = GPL-3.0-or-later
+	license = MIT
+	license = Apache-2.0
+	license = BSD-3-Clause
+	license = IJG
+	license = Zlib
+	license = libpng-2.0
+	depends = bash
+	depends = coreutils
+	depends = gawk
+	depends = grep
+	depends = sed
+	depends = gettext
+	depends = systemd
+	depends = systemd-libs
+	depends = pam
+	depends = polkit
+	depends = qt6-base
+	depends = qt6-declarative
+	depends = qt6-wayland
+	depends = wayland
+	depends = layer-shell-qt
+	depends = ki18n
+	depends = glibc
+	depends = libgcc
+	depends = libstdc++
+	depends = hicolor-icon-theme
+	optdepends = hyprpolkitagent: password windows on Hyprland and Niri
+	provides = face-unlock
+	conflicts = face-unlock
+	conflicts = plasma-face-unlock
+	noextract = face-unlock-0-arch-x86_64.tar.zst
+	options = !debug
+	source = face-unlock-0-arch-x86_64.tar.zst::https://github.com/LoonixTools/face-unlock/releases/download/v0/face-unlock-0-arch-x86_64.tar.zst
+	sha256sums = SKIP
+
+pkgname = face-unlock-bin

face-unlock-bin/PKGBUILD

@@ -0,0 +1,38 @@
+# Maintainer: Felitendo
+# This PKGBUILD is updated automatically:
+# https://github.com/Felitendo/PKGBUILDS
+
+pkgname=face-unlock-bin
+pkgver=0
+pkgrel=1
+pkgdesc="Face ID for Linux: the lock screen, sudo and admin prompts by face, on Plasma, GNOME, Hyprland and Niri (upstream binary)"
+arch=('x86_64')
+url="https://github.com/LoonixTools/face-unlock"
+# The program is GPL, the two face networks are MIT (YuNet) and Apache-2.0
+# (SFace). The daemon has OpenCV (Apache-2.0) linked in, with its copies of
+# protobuf, libjpeg-turbo, libpng and zlib. All texts are in the package.
+license=('GPL-3.0-or-later' 'MIT' 'Apache-2.0' 'BSD-3-Clause' 'IJG' 'Zlib' 'libpng-2.0')
+# What the binaries load, plus what the face-unlock command runs. No opencv:
+# it is linked in.
+depends=('bash' 'coreutils' 'gawk' 'grep' 'sed' 'gettext' 'systemd' 'systemd-libs' 'pam' 'polkit'
+         'qt6-base' 'qt6-declarative' 'qt6-wayland' 'wayland' 'layer-shell-qt' 'ki18n'
+         'glibc' 'libgcc' 'libstdc++' 'hicolor-icon-theme')
+optdepends=('hyprpolkitagent: password windows on Hyprland and Niri')
+provides=('face-unlock')
+conflicts=('face-unlock' 'plasma-face-unlock')
+install="${pkgname}.install"
+options=('!debug')
+# Upstream's release workflow builds this tarball on Arch: the make install
+# tree of face-unlock, in one folder. The agent uses Qt's private API, so it
+# fits the Qt that Arch had at the release.
+_tarball="face-unlock-${pkgver}-arch-${CARCH}.tar.zst"
+source=("${_tarball}::${url}/releases/download/v${pkgver}/${_tarball}")
+noextract=("${_tarball}")
+sha256sums=('SKIP')
+
+package() {
+  # extracted here and not by makepkg, so the files keep the root owner
+  # the tarball gives them
+  bsdtar -xpf "$srcdir/${_tarball}" -C "$pkgdir" --strip-components 1
+  mv "$pkgdir/usr/share/licenses/face-unlock" "$pkgdir/usr/share/licenses/$pkgname"
+}

face-unlock-bin/face-unlock-bin.install

@@ -0,0 +1,34 @@
+post_install() {
+  # Faces, settings and PAM lines of plasma-face-unlock, the old name.
+  face-unlock --root migrate >/dev/null 2>&1 || true
+  cat <<'MSG'
+
+  face-unlock is installed. Run it as your own user, not with sudo:
+
+    face-unlock          interactive menu
+    face-unlock enable   set up your face and turn it on
+
+  It asks for your password when it needs to. sudo and admin prompts stay
+  with the password until you switch them on under Settings.
+
+MSG
+}
+
+post_upgrade() {
+  face-unlock --root migrate >/dev/null 2>&1 || true
+}
+
+pre_remove() {
+  cat <<'MSG'
+
+  Before removing this package, run
+
+    face-unlock disable
+
+  as each user that turned it on. That takes face unlock back out of sudo,
+  polkit and the lock screens. (Removing it without that is safe too: the PAM
+  line is written so that a missing module is skipped.)
+
+MSG
+  systemctl disable --now face-unlockd.socket face-unlockd.service >/dev/null 2>&1 || true
+}

face-unlock-bin/pkg.sh

@@ -0,0 +1,49 @@
+# face-unlock-bin - the Arch build of face-unlock
+# (https://github.com/LoonixTools/face-unlock), made by upstream's release
+# workflow: the same program as the face-unlock package, with OpenCV linked in
+# statically, so an OpenCV update on Arch does not break it.
+#
+# Not every release has the tarball (2.0.0 and older do not), so the newest
+# release that has it is tracked, not /releases/latest. The checksum is the
+# digest GitHub keeps for every release asset.
+
+UPSTREAM_REPO="LoonixTools/face-unlock"
+
+# newest published release with an Arch tarball, as its tag
+latest_tag() {
+  gh api "repos/$UPSTREAM_REPO/releases?per_page=30" \
+    --jq '[.[] | select((.draft or .prerelease) | not)
+               | select(any(.assets[]; .name | endswith("-arch-x86_64.tar.zst")))]
+          | first | .tag_name // empty'
+}
+
+# Kept off the AUR until a release has the tarball: until then the PKGBUILD
+# has nothing to point at. The run that finds the first one updates the
+# PKGBUILD and test-builds it before anything is pushed.
+AUR_PUBLISH=false
+if [[ -n "$(latest_tag)" ]]; then
+  AUR_PUBLISH=true
+fi
+
+latest_version() {
+  local tag
+  tag="$(latest_tag)"
+  [[ -n "$tag" ]] || return 75
+  echo "${tag#v}"
+}
+
+# refresh_checksums <version> <pkgbuild-path>
+refresh_checksums() {
+  local ver="$1" pkgbuild="$2"
+  local name="face-unlock-$ver-arch-x86_64.tar.zst" sha
+
+  sha="$(gh api "repos/$UPSTREAM_REPO/releases/tags/v$ver" \
+    --jq ".assets[] | select(.name == \"$name\") | .digest // empty" \
+    | sed -n 's/^sha256://p')"
+  if [[ ! "$sha" =~ ^[0-9a-f]{64}$ ]]; then
+    sha="$(curl -sfL "https://github.com/$UPSTREAM_REPO/releases/download/v$ver/$name" \
+      | sha256sum | cut -d' ' -f1)"
+  fi
+
+  sed -i "s|^sha256sums=.*|sha256sums=('$sha')|" "$pkgbuild"
+}