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Let's also rename the error slightly, since what happens here is that a
a valid service RR name is CNAME'd onto an invalid one. That's an
inconsistency on the server side, which we really should report as such.
Follow-up for: b48ab08732
The original regex didn't cover the `run-unit-tests.py` script that
made the old framework pull in Python into the test image, which in turn
allowed the new TEST-69-SHUTDOWN Python script to get executed in the
old framework's image, causing unexpected fails with latest Python on
Rawhide.
If someone runs `updatectl update`, sysupdate will be running multiple
update jobs at the same time, which can make reasoning about the output
in the journal quite difficult. Especially if things go wrong: the error
messages didn't mention which job failed. Nor was there any link between
job ID and the PID of the worker process logging to the journal. This
is all fixed here!
Cuts out some `strdup`s, and also avoids a rather weird case of donating
memory to a function. Basically just duplicates the solution I just
implemented for sysupdate's callout handler.
Previously, if the callout binary (i.e. sd-pull, sd-import) failed
gracefully, we'd return its exit status from the event loop and thus
from run_callout(). Of course, exit status is a positive number in the
event of failure. Which means that we completely ignore the callout
binary failing, and instead continue using whatever it managed to
download before failing.
This is bad for obvious reasons, not the least of which is installing
a half-downloaded OS. This also means that we would completely ignore
failed signature checks 😬️
Force means force, we skip checks with PID1 for existing units, but
then bail out with EEXIST if the files are actually there. Overwrite
everything instead.
This also makes all conf parsers defined in conf-parser.c return 1
on success, 0 on non-critical error.
Also, use free_and_strdup_warn() where applicable.
- use GREEDY_REALLOC() and FOREACH_ARRAY(),
- do not set an array with only terminating 'invalid' value.
Note, this macro is only used by parsing NamePolicy= and AlternativeNamesPolicy=
in .link files. and udevd correctly handles both an empty array and an
array with only 'invalid'. Hence, this does not change any behavior.
https://fedoraproject.org/wiki/Changes/RenameNobodyUser, 2018:
> Use "nobody:nobody" as the names for the kernel overflow UID:GID pair, and
> retire the old "nfsnobody" name and the old "nobody:nobody" pair with 99:99
> numbers.
The progress_bar functions do their own buffering: they reconfigure
stderr, then print, then flush and disable buffering on their own. In
situations where multiple progress bars are being drawn at a time (for
example, in updatectl), it's even more efficient to hoist the buffering
and flushing to the call site, and avoid drawing each progress bar
individually.
To that end, new _unbuffered variants of the progress_bar functions. And
we use them in updatectl.
This applies a couple of aesthetic changes to the way updatectl renders
progress information
1. We invert from "ICON TARGET MESSAGE" to "TARGET: ICON MESSAGE" to
better fit in with the systemd progress bars, which look like
"TARGET [==========---------] XX%". The original version of the
sysupdated PR implemented its own progress bars that were oriented
differently: "[==========---------] TARGET XX%". When we swapped
the progress bar we didn't swap the status messages
2. When a target finishes updating, instead of leaving a 100% progress
bar on screen for potentially extended periods of time (which implies
to the user that the update isn't actually done...), we show a status
message saying the target is done updating.
3. Fixed a minor bug where an extra newline would be printed after the
total progress bar. At the top of the rendering function, we scroll
the terminal's scroll-back just enough to fit a line for each target,
and one for the total. This means that we should not print an
additional line after the total, or else it'll scroll the terminal's
buffer by an additional character. This bug was introduced at some
point during review
4. Clears the Total progress bar before quitting. By the time we're
quitting, that progress bar will be showing no useful status for the
user. Also, the fix in point 3 will cause the shell's prompt to
appear on the same line as the Total progress bar, partially
overwriting it and leaving the shell in a glitchy state.
This fixes a bug introduced during review of sysupdated. Originally,
we just returned EALREADY verbatim to signify that the target is
already up-to-date. Then we switched this to a proper error
(org.freedesktop.sysupdate1.NoCandidate) during review. But that now
maps to EIO, not EALREADY. Thus, whenever there's nothing to update,
updatectl would report I/O errors to the user, even though nothing
actually went wrong.
Otherwise, when merging multiple directory trees, the output becomes
unreproducible as the directory timestamps will be changed to the current
time when copying identical directories from the second tree.
We introduce a new copy flag to achieve this behavior.
If the policy hash is empty we shouldn't return "0" from
search_policy_hash(), because that is understood as slot index 0, but
that's unlikely to match the policy.
Hence, return -ENOENT instead, indicating that we can't find a matching
slot.
Use these helpers whenever appropriate. Drop separate string checks,
since these helpers already do them anyway.
No actual code change, just a rework to make use of a nice helper we
have already.
