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systemd: Reinstate systemd-hwdb-update.service

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systemd supports a distribution hwdb.bin in /usr/lib/udev/hwdb.bin,
which is used if /etc/udev/hwdb.bin is not present. When generating the
install time hwdb, for systemd, ensure that we put it in /usr/lib/udev,
which then ensures that at boot time we do not regenerate it, unless the
system is marked for update.

This allows fragments dropped into /etc/udev/hwdb.d to be processed
correctly, but without requiring a first boot time build:

root@qemumips:~# systemctl status systemd-hwdb-update.service
* systemd-hwdb-update.service - Rebuild Hardware Database
     Loaded: loaded (/usr/lib/systemd/system/systemd-hwdb-update.service; static; vendor preset: disabled)
     Active: inactive (dead)
  Condition: start condition failed at Wed 2020-03-04 15:18:11 UTC; 44s ago
             |- ConditionPathExists=|!/usr/lib/udev/hwdb.bin was not met
             |- ConditionPathExists=|/etc/udev/hwdb.bin was not met
             `- ConditionDirectoryNotEmpty=|/etc/udev/hwdb.d was not met
       Docs: man:hwdb(7)
             man:systemd-hwdb(8)

(From OE-Core rev: 78ff610e571e4d739326520c391a37ee1f1290ae)

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alex Kiernan
2020-03-27 17:25:11 +00:00
committed by Richard Purdie
parent 06a02da2d2
commit e3037b54ea
2 changed files with 18 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
scripts/postinst-intercepts/update_udev_hwdb
View File

@@ -5,5 +5,17 @@
set -e
PSEUDO_UNLOAD=1 ${binprefix}qemuwrapper -L $D $D${libexecdir}/${binprefix}udevadm hwdb --update --root $D
chown root:root $D${sysconfdir}/udev/hwdb.bin
case "${PREFERRED_PROVIDER_udev}" in
systemd)
UDEV_EXTRA_ARGS="--usr"
UDEVLIBDIR="${rootlibexecdir}"
;;
*)
UDEV_EXTRA_ARGS=""
UDEVLIBDIR="${sysconfdir}"
;;
esac
PSEUDO_UNLOAD=1 ${binprefix}qemuwrapper -L $D $D${libexecdir}/${binprefix}udevadm hwdb --update --root $D ${UDEV_EXTRA_ARGS}
chown root:root $D${UDEVLIBDIR}/udev/hwdb.bin