From ca1ecc6b2f16cd42a31c63602e47926a5d40ee98 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Fri, 27 Oct 2023 12:16:59 +0200
Subject: Initial commit.

---
 PKGBUILD                 | 22 ++++++++++++++++++++++
 prepare-lastboot.install | 13 +++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 PKGBUILD
 create mode 100755 prepare-lastboot.install

diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 0000000..eaf7f70
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,22 @@
+# Maintainer: Jaron Kent-Dobias <jaron@kent-dobias.com>
+
+pkgname=prepare-lastboot
+pkgver=1.2
+pkgrel=1
+pkgdesc='Support for ZFS fallback to a previous boot'
+arch=(any)
+license=(GPL2)
+url='https://kent-dobias.com/system/prepare-lastboot'
+depends=('zfs' 'zfs-utils')
+makedepends=()
+optdepends=('systemd-ukify: create addon efi executable')
+source=(https://git.kent-dobias.com/system/prepare-lastboot/snapshot/prepare-lastboot-${pkgver}.tar.gz)
+sha256sums=('d6282aabcaf7e19feee5a7ec9348625795428edf7c15d216f3619b3377743ac0')
+install='prepare-lastboot.install'
+
+package() {
+  cd "${srcdir}/${pkgname}-${pkgver}"
+  install -Dm 644 "prepare-lastboot@.service" "${pkgdir}/usr/lib/systemd/system/prepare-lastboot@.service"
+  install -Dm 644 "prepare-lastboot@.timer" "${pkgdir}/usr/lib/systemd/system/prepare-lastboot@.timer"
+  install -Dm 755 "prepare-lastboot" "${pkgdir}/usr/bin/prepare-lastboot"
+}
diff --git a/prepare-lastboot.install b/prepare-lastboot.install
new file mode 100755
index 0000000..48a20ae
--- /dev/null
+++ b/prepare-lastboot.install
@@ -0,0 +1,13 @@
+post_install() {
+   echo "For the lastboot EFI entry to boot the correct filesystem,"
+   echo "the kernel command line of the UKI must be amended. If your"
+   echo "root filesystem is zroot/root/default, you can run"
+   echo ""
+   echo "# /usr/lib/systemd/ukify build --cmdline \"root=zfs:zroot/root/lastboot-default\" \\"
+   echo "#   --output=/efi/EFI/Linux/lastboot-default.efi.extra.d/cmdline.addon.efi"
+   echo ""
+   echo "and sign the restulting file, if necessary. The service is"
+   echo "enabled by running"
+   echo ""
+   echo "# systemctl enable prepare-lastboot@default.timer"
+}
-- 
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