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The garbage collection issue should be fixed now, and it's just nicer on
developers' cache to stay on the same commit. And again, it's a nice
sanity-check to know that we're always able to compose an older tree.
That said, we probably should still bump this from time to time.
While we're here, add some comments for making it easier to match `popd`
calls with the original `pushd`.
Start the ball rolling on converting some of our tests into
the coreos-assembler/kola framework:
d940420b78/mantle/kola/README-kola-ext.md
The nondestructive ones are easy.
We haven't been consistent about doing this; I personally
think rustfmt is a big aggressive with the line wrapping
but eh, consistency is more important.
And heh so I tried to `git push --set-upstream cgwalters` and
that failed because there was an already extant `rustfmt`
branch from a while ago...looking at that code it got lost
in the CI refactoring - we're not running `build-check.sh`
at the moment.
Move the rustfmt bits into `codestyle.sh` which is closer
to where it should be anyways.
This is just a cleaner arrangement to make the separation more explicit.
It also matches what most other wrapper crates do.
One advantage of this is that we can tell cbindgen directly that we
don't want it to ever export symbols from `libdnf-sys`.
Related discussions in:
https://github.com/coreos/rpm-ostree/pull/2047
When we ran rustfmt, it converted our bare `extern` blocks to
`extern "C"` which has a different meaning apparently.
This caused cbindgen to try to interpret the structs, and it barfed
on the newtype void wrappers.
Looking at libgit2-rs, it seems to use these "uninstantiable types"
instead.
Prep for using `rustfmt`.
I previously ran out of steam in the switch and wanted to
get the PR out for feedback before continuing, but it turns
out I basically stopped 2 meters from the finish line. Completing
the switch from `failure` → `anyhow` was quite easy.
The failure crate isn't actively developed anymore. The
main benefit of `anyhow` is it uses the standard error type.
More info:
https://docs.rs/crate/anyhow/1.0.28
Start the porting process.
Note that the `envsubst` crate has a public dependency on
`failure`, so we need to start mapping its errors.
This way we handle filenames with spaces in `/var` in general,
like `/var/app/foo bar`, but *also* the special `/opt/foo bar`
translation bits.
I saw this bug and thought "oh that'd be easy". But hoo boy
did it take me down a rat's nest. The first thing was verifying
that `systemd-tmpfiles` supports any kind of quotation/escaping; it does.
The next thing was figuring out *exactly* what the syntax for that
is and how it works, as it's obviously not widely used.
Writing tests for this ended up being a painful exercise because
of the multiple levels of shell script, e.g. our `build_rpm` shell
script ends up being inlined into RPM specs, which then interprets
again...and not to mention the usual annoying issues with `ssh`
eating quotes.
Anyways, all that and:
Closes: https://github.com/coreos/rpm-ostree/issues/2029
Seeing this in the FCOS pipeline:
```
Downloading from 'fedora-coreos-pool'... done
error: cannot open Packages database in /proc/self/fd/21/usr/share/rpm
Importing packages... done
error: Can't stat fd 38
```
The first error is librpm...which, is somehow not fatal? It
also appears to be swallowing the underlying real error.
For the second had to Google search it but the main hit for `Can't stat fd` is
in libarchive which led me to this code, which is probably right.
But let's be sure by adding some error prefixing.
I was getting a dreaded not-quite-specific `syscore cleanup: No such file or directory`
error when hacking on the ostree tests. I am pretty sure it's the history
code, but let's just do the usual thing and spread the error-prefixing love
in the whole area.
The ostree test suite was creating deployments manually
(skipping the rpm-ostree upgrader layer which would write history)
and then calling `rpm-ostree cleanup` which tried to open the
history dir and failed.
Just return early if there's no history directory when we're
asked to clean up.
In the large majority of cases, the `"Bus owner changed"` error is due
to something going wrong with the daemon rather than D-Bus itself. Let's
give a hint to check the journal so that users can investigate and e.g.
just paste the journal output as part of the initial issue report.
We need to adapt some of our tests here which assume that `/sysroot` is
writable. However, in FCOS this is no longer the case now that we enable
`sysroot.readonly`.
We only remount rw for the couple of operations that need it so that we
still retain coverage for the ro path everywhere else.
FAHC is super out of date now. The way to have access to newer packages
is via the continuous tag, which is still manual for now, but at least
targets the right Fedora release.
The current `rpm-ostree-2020.1-1.fc31.x86_64` in Fedora
was [built with a truly ancient libostree](https://kojipkgs.fedoraproject.org//packages/rpm-ostree/2020.1/1.fc31/data/logs/x86_64/root.log)
because Fedora's build system is weird and only adds packages
released after "gold" into the buildroot via an override
that times out.
This actively breaks things because rpm-ostree isn't
detecting the read-only sysroot.
Let's bump our hard requirement.
