It may happen that dracut-shutdown.service fails, for example on timeout
due to very low bandwidth.
In such case, for hardening purposes, a new dracut-shutdown-onfailure.service
unit doing dracut-shutdown.service cleanup needs to execute to make sure
switching root to an incomplete initramfs won't occur later.
See also RHBZ #1924587 (https://bugzilla.redhat.com/show_bug.cgi?id=1924587).
It was not working anyway, so nobody used it for years.
If it is not used, just remove it.
mkinitrd-suse.sh will be maintained by SUSE as it is SUSE specific
anyway.
The kernel has an odd way to handle `"` surrounded parameters.
To handle the parameters as the kernel would do, no simple shell script
suffices, so a new utility `dracut-util` is introduced. Written in "C"
it handles `dracut-getarg` and `dracut-getargs` as the old shell script
functions `_dogetarg` and `_dogetargs` would.
The fix in aed52a6cfb43ebea372328fd5837c1f341c3f0df does not
work (second line will be ignored on override), so expand the implicitly
defined rule and add them there.
With GNU Make 4.3 on both ArchLinux, and VoidLinux,
GITVERION is always empty because of bad substitution.
Change '\#' to simply '#' can fix it,
but we don't need that complation.
We can merge DRACUT_MAIN_VERSION and GITVERSION into DRACUT_FULL_VERSION.
Because, GITVERSION will be attached back to DRACUT_MAIN_VERSION in all
situation.
While we're at it, detect if we're in git worktree by:
limiting GIT_CEILING_DIRECTORIES to parent directory of
dracut's top level directory; instead of checking for .git directory,
in order to support git-worktree, in such case, .git will be a file, see
gitrepository-layout(5)
`make rpm` usually chose `/tmp` as the `$rpmbuild` dir, which breaks the
dracut build, since it needs to execute `./configure`, but `/tmp` is
mounted with `-o noexec`, leading to:
```
/var/tmp/rpm-tmp.SwEhJO: line 46: ./configure: Permission denied
error: Bad exit status from /var/tmp/rpm-tmp.SwEhJO (%build)
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.SwEhJO (%build)
```
Switching to `/var/tmp` helps in this case.
Basic systemd functionality is in 00systemd now.
Switching root and the initrd.target is in 00systemd-initrd.
Dracut additions to the systemd initrd are in 98dracut-systemd.
Renaud Métrich