Date: Tuesday, July 23, 2013 @ 01:52:11
Author: tomegun
Revision: 191269
add systemd initcpio hook
This hook allows you to boot with systemd in the initcpio instead of the
current 'base'.
Added:
systemd/trunk/initcpio-install-systemd
Modified:
systemd/trunk/PKGBUILD
--------------------------+
PKGBUILD | 3
initcpio-install-systemd | 147 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 150 insertions(+)
Modified: PKGBUILD
===================================================================
--- PKGBUILD 2013-07-22 18:59:43 UTC (rev 191268)
+++ PKGBUILD 2013-07-22 23:52:11 UTC (rev 191269)
@@ -16,12 +16,14 @@
0001-utmp-turn-systemd-update-utmp-shutdown.service-into-.patch
0001-journald-DO-recalculate-the-ACL-mask-but-only-if-it-.patch
'initcpio-hook-udev'
+ 'initcpio-install-systemd'
'initcpio-install-udev'
'initcpio-install-timestamp')
md5sums=('a07619bb19f48164fbf0761d12fd39a8'
'7f39f9fde1ff7b48293ed1e3d0a6c213'
'66e3162856ded8eb7dc7383405c6e0d6'
'e99e9189aa2f6084ac28b8ddf605aeb8'
+ 'f5edda743fb0611f11f9b82ecddcf4b3'
'fb37e34ea006c79be1c54cbb0f803414'
'df69615503ad293c9ddf9d8b7755282d')
@@ -110,6 +112,7 @@
s#GROUP="cdrom"#GROUP="optical"#g'
"$pkgdir"/usr/lib/udev/rules.d/*.rules
# add mkinitcpio hooks
+ install -Dm644 "$srcdir/initcpio-install-systemd"
"$pkgdir/usr/lib/initcpio/install/systemd"
install -Dm644 "$srcdir/initcpio-install-udev"
"$pkgdir/usr/lib/initcpio/install/udev"
install -Dm644 "$srcdir/initcpio-hook-udev"
"$pkgdir/usr/lib/initcpio/hooks/udev"
install -Dm644 "$srcdir/initcpio-install-timestamp"
"$pkgdir/usr/lib/initcpio/install/timestamp"
Added: initcpio-install-systemd
===================================================================
--- initcpio-install-systemd (rev 0)
+++ initcpio-install-systemd 2013-07-22 23:52:11 UTC (rev 191269)
@@ -0,0 +1,147 @@
+#!/bin/bash
+
+add_udev_rules() {
+ # Add an udev rules file to the initcpio image. Dependencies on binaries
+ # will be discovered and added.
+ # $1: path to rules file (or name of rules file)
+
+ local rules= rule= key= value= binary=
+
+ rules=$(PATH=/usr/lib/udev/rules.d:/lib/udev/rules.d type -P "$1")
+ if [[ -z $rules ]]; then
+ # complain about not found rules
+ return 1
+ fi
+
+ add_file "${rules}"
+
+ while IFS=, read -ra rule; do
+ for pair in "${rule[@]}"; do
+ IFS='=' read -r key value <<< "$pair"
+
+ case $key in
+ RUN@({program}|)@(+|)|IMPORT{program}|ENV{REMOVE_CMD})
+ binary=${value[0]#\"}
+ if [[ ${binary:0:1} != '/' ]]; then
+ binary=$(PATH=/usr/lib/udev:/lib/udev type -P
"$binary")
+ fi
+ add_binary "$binary"
+ ;;
+ esac
+ done
+ done < "$rules"
+}
+
+add_systemd_unit() {
+ # Add a systemd unit file to the initcpio image. Hard dependencies on
binaries
+ # and other unit files will be discovered and added.
+ # $1: path to rules file (or name of rules file)
+
+ local unit= rule= entry= key= value= binary= dep=
+
+ unit=$(PATH=/usr/lib/systemd/system:/lib/systemd/system type -P "$1")
+ if [[ -z $unit ]]; then
+ # complain about not found unit file
+ return 1
+ fi
+
+ add_file "${unit}"
+
+ while IFS='=' read -r key values; do
+
+ read -ra values <<< "$values"
+
+ case $key in
+ Requires|OnFailure)
+ # only add hard dependencies (not Wants)
+ map add_systemd_unit "${values[@]}"
+ ;;
+ Exec*)
+ # don't add binaries unless they are required
+ if [[ ${values[0]:0:1} != '-' ]]; then
+ add_binary "${values[0]}"
+ fi
+ ;;
+ esac
+
+ done < "$unit"
+
+ # preserve reverse soft dependency
+ for dep in
{/usr/lib/systemd/system,/lib/systemd/system}/*.wants/${unit##*/}; do
+ if [[ -h "${dep}" ]]; then
+ add_symlink "${dep}"
+ fi
+ done
+
+ # add hard dependencies
+ if [[ -d "${unit}.requires" ]]; then
+ for dep in "${unit}".requires/*; do
+ add_systemd_unit ${dep##*/}
+ done
+ fi
+}
+
+build() {
+ local rules unit
+
+ # from base
+ add_binary /bin/mount
+ add_binary /usr/bin/kmod /usr/bin/modprobe
+
+ # systemd
+ add_binary /usr/lib/systemd/systemd /init
+
+ # generate sysroot.mount and sysroot-usr.mount
+ add_file "/usr/lib/systemd/system-generators/systemd-fstab-generator"
+
+ # udev rules and systemd units
+ for rules in \
+ 50-udev-default.rules \
+ 60-persistent-storage.rules \
+ 64-btrfs.rules \
+ 80-drivers.rules \
+ 99-systemd.rules \
+ ; do
+ add_udev_rules "$rules"
+ done
+ for unit in \
+ systemd-udevd-control.socket \
+ systemd-udevd-kernel.socket \
+ sockets.target \
+ systemd-journald.service \
+ systemd-udevd.service \
+ systemd-udev-trigger.service \
+ initrd-cleanup.service \
+ initrd-fs.target \
+ initrd-parse-etc.service \
+ initrd-root-fs.target \
+ initrd-switch-root.service \
+ initrd-switch-root.target \
+ initrd-udevadm-cleanup-db.service \
+ initrd.target \
+ systemd-fsck@.service \
+ ctrl-alt-del.target \
+ ; do
+ add_systemd_unit "$unit"
+ done
+
+ add_symlink "/usr/lib/systemd/system/default.target" "initrd.target"
+
+
+ # libdbus needs the passwd info of the root user
+ # TODO: make sure this is no longer necessary when systemctl moves to
sd-bus
+ add_file "/etc/nsswitch.conf"
+ add_file "/etc/passwd"
+ add_file "/lib/libnss_files-2.17.so"
+ add_symlink "/lib/libnss_files.so.2" "libnss_files-2.17.so"
+ add_symlink "/lib/libnss_files.so" "libnss_files.so.2"
+}
+
+help() {
+ cat <<HELPEOF
+This will install a basic systemd setup on your initrd, it is meant to replace
the 'base', 'usr', 'fsck' and 'timestamp' hooks.
+Other hooks would need to be ported, and may not work as intended.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
