initial commit

README.md

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+# dracut-alpm-hook
+
+This provides [alpm hooks][alpm-hooks5] for [dracut][dracut] to generate a new initramfs on kernel upgrade.
+
+## Usage
+
+Copy hooks (`*.hook`) to `/usr/share/libalpm/hooks` and scripts  to `/usr/share/libalpm/scripts`.
+
+## License
+
+[FDL 1.3][fdl]
+
+[alpm-hooks5]:https://www.archlinux.org/pacman/alpm-hooks.5.html
+[dracut]:/~https://github.com/dracutdevs/dracut
+[fdl]:http://www.gnu.org/licenses/fdl-1.3.html
+

hooks/60-dracut-remove.hook

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+[Trigger]
+Type = File
+Operation = Remove
+Target = usr/lib/modules/*/pkgbase
+
+[Trigger]
+Type = Package
+Operation = Remove
+Target = dracut
+Target = dracut-git
+
+[Action]
+Description = Remove linux initcpios...
+When = PreTransaction
+Exec = /usr/share/libalpm/scripts/dracut-remove
+NeedsTargets

hooks/90-dracut-install.hook

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+[Trigger]
+Type = File
+Operation = Install
+Operation = Upgrade
+Target = usr/lib/modules/*/pkgbase
+Target = usr/lib/dracut/*
+
+[Action]
+Description = Updating linux initcpios...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/dracut-install
+NeedsTargets

scripts/dracut-install

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+#!/usr/bin/env bash
+
+args=('--force' '--no-hostonly-cmdline')
+
+while read -r line; do
+	if [[ "$line" == 'usr/lib/modules/'+([^/])'/pkgbase' ]]; then
+		read -r pkgbase < "/${line}"
+		kver="${line#'usr/lib/modules/'}"
+		kver="${kver%'/pkgbase'}"
+
+		install -Dm0644 "/${line%'/pkgbase'}/vmlinuz" "/boot/vmlinuz-${pkgbase}"
+		dracut "${args[@]}" "/boot/initramfs-${pkgbase}.img" --kver "$kver"
+		dracut "${args[@]}" --no-hostonly "/boot/initramfs-${pkgbase}-fallback.img" --kver "$kver"
+	fi
+done

scripts/dracut-remove

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+#!/usr/bin/env bash
+
+while read -r line; do
+	if [[ "$line" == 'usr/lib/modules/'+([^/])'/pkgbase' ]]; then
+		read -r pkgbase < "/${line}"
+		rm -f "/boot/vmlinuz-${pkgbase}" "/boot/initramfs-${pkgbase}.img" "/boot/initramfs-${pkgbase}-fallback.img"
+	fi
+done