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This is another case where making an input stream out of a memory buffer is a
bit silly; just hash the `GBytes` directly.
Closes: #1287
Approved by: jlebon
A side effect of commit 8fe4536257 is that
we started listing all xattrs even for files with device/inode matches;
further, we did that using the dfd/name which means we went through
the `/proc` path, which is slower and uglier.
Noticed this in strace while looking at adoption code.
Closes: #1280
Approved by: jlebon
That's why the syscall was invented, so let's use it. Just noticed while reading
the code while working on another patch.
Closes: #1270
Approved by: jlebon
I was going to fix a bug in the static deltas code and I noticed
we were missing `pull-test.sh` coverage for bareuseronly 🙈.
Obviously fixing this requires duplicating some of the bits we have in
`basic-test.sh`; need to hoist that into `libtest.sh`. For now though let's get
the coverage.
Closes: #1270
Approved by: jlebon
This isn't perfect, but at least we fix an error-overwrite error, and in
practice `ostree admin unlock` isn't wrapped by `rpm-ostree` yet, so spew to
stderr is OK.
Closes: https://github.com/ostreedev/ostree/issues/1273Closes: #1279
Approved by: guyshapiro
For checkouts that are on the same device, for regular files we can simply
"adopt" existing files. This is useful in the "build from subtrees" pattern that
happens with e.g. `rpm-ostree install` as well as flatpak and gnome-continuous.
New files are things like an updated `ldconfig` cache, etc. And particularly for
`rpm-ostree` we always regenerate the rpmdb, which for e.g. this workstation is
`61MB`.
We probably should have done this from the start, and instead had a `--copy`
flag to commit, but obviously we have to be backwards compatible.
There's more to do here - the biggest gap is probably for `bare-user` repos,
which are often used with things like `rpm-ostree compose tree` for host
systems. But we can do that later.
Closes: #1272
Approved by: jlebon
I was working on "adopt" and hit corruption; turns out we were missing the
`--canonical-permissions` arg in this existing test.
(Need to abstract all of this more)
Closes: #1272
Approved by: jlebon
The intended use was to have the .am.inc generated from the .am like the
libglnx one. Without this, make was detecting a circular dependency and
dropping the rule:
make: Circular bsdiff/Makefile-bsdiff.am.inc <- bsdiff/Makefile-bsdiff.am.inc dependency dropped.
Closes: #1276
Approved by: jlebon
I was working on a patch to do build on the work done to
import content objects async to do the same for metadata, but right
now we basically rely on writing them first to do the GPG verification
when scanning.
Things will be cleaner for that if we can pass the commit object directly into
`scan_commit_object()` and consistently use `gpg_verify_unwritten_commit()`.
We're careful here to continue to do it both ways (but at most one time), to
account for the case where a bad commit has been pulled and written - we need to
keep failing GPG verification there.
Closes: #1269
Approved by: jlebon
Prep for a later patch to do GPG verification before writing commit objects;
`_ostree_repo_gpg_verify_with_metadata()` already handles this, and so dropping
this gives us consistent error messages.
Closes: #1269
Approved by: jlebon
v2017.12 didn't include test-libglnx-shutil.c, but if you re-run
autogen.sh (as we do in Debian, to update the Autotools build system)
it will try to build it.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Closes: #1274
Approved by: cgwalters
ENOTSUP and EOPNOTSUPP are numerically equal on most Linux ports,
but inexplicably differ on PA-RISC (hppa) and possibly other
rare architectures.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Closes: #1275
Approved by: cgwalters
There's a subtle issue going on with the way we use `UNION_IDENTICAL`
now in rpm-ostree. Basically, the crux of the issue is that we checkout
the whole tree from the system repo, but then overlay packages by
checking out from the pkgcache repo. This is an easy way to break the
assumption that we will be merging hardlinks from the same repo.
This ends up causing issues like:
https://github.com/projectatomic/rpm-ostree/issues/1047
There, `vim-minimal` is already part of the host and has an object for
`/usr/share/man/man1/ex.1.gz`. `vim-common` has that same file, but
because it's unpacked in the pkgcache repo first, the hardlinks are not
the same.
There are a few ways we *could* work around this in rpm-ostree itself,
e.g. by re-establishing hardlinks when we do the content pull into the
system repo, but it still felt somewhat hacky. Let's just do this the
proper way and fall back to checksumming the target file if needed,
which is what librpm does as well in this case. Note that we only
checksum if they're not hard links, but they're the same size.
Closes: #1258
Approved by: cgwalters
In case a filename contains invalid UTF-8 characters, libostree will
pass it to g_variant_builder_add() in create_tree_variant_from_hashes()
anyway, which leads to a critical warning from glib and an invalid
commit. This commit makes ostree print a useful error and exit instead.
Closes: #1271
Approved by: cgwalters
Let's react to `Ctrl-C` faster here. Noticed while I was doing an update on my
desktop and playing with cancellation.
Closes: #1266
Approved by: jlebon
This is like `ostree_checksum_file` but fd-relative. This will be used
by https://github.com/ostreedev/ostree/pull/1258.
AFAICT, we actually didn't have any tests that check the `checksum` CLI.
Add a basic one here to test the old code as well as the new code.
Closes: #1263
Approved by: cgwalters
No functional changes, prep for patch. (Well, I did add a new `success`
member in the async struct so that we return `FALSE` if we failed).
Closes: #1263
Approved by: cgwalters
This works around an (IMO) SpiderMonkey bug - it tries to
clean up in a shared library destructor, but doesn't install a
`pthread_atfork()` handler to unset its state.
Closes: https://github.com/ostreedev/ostree/issues/1262Closes: #1264
Approved by: dbnicholson
This ends up a lot better IMO. This commit is *mostly* just
`s/glnx_close_fd/glnx_autofd`, but there's also a number of hunks like:
```
- if (self->sysroot_fd != -1)
- {
- (void) close (self->sysroot_fd);
- self->sysroot_fd = -1;
- }
+ glnx_close_fd (&self->sysroot_fd);
```
Update submodule: libglnx
Closes: #1259
Approved by: jlebon
It's no longer called directly by the pull code, so make it static.
The goal here is to have the pull and local-fs commit paths use higher level
more efficient APIs, and eventually make those APIs public.
Closes: #1257
Approved by: jlebon
This simplifies a lot of code; the header function was structured
to write to an input stream, but many callers only wanted the checksum,
so it's simpler (and error-free) to simply allocate a whole buffer
and checksum that.
For the callers that want to write it, it's also still simpler to allocate the
buffer and write the whole thing rather than having this function do the
writing.
A lot of the complexity here again is a legacy of the packfile code, which is
dead.
This is prep for faster regfile commits where we can avoid `G{In,Out}putStream`.
Closes: #1257
Approved by: jlebon
Nothing was using the `bytes_written` data (we always discard partially written
tmpfiles), so simplify everything by dropping it. Further, we always passed an
offset of `0`, so drop that argument too. (I believe that this was previously
used by the "pack files" code that we deleted long ago)
Second, we had an unnecessary internal wrapper for this function; drop that too.
Closes: #1257
Approved by: jlebon
This is how ostree is shipped in those distros. We already have
alternative testsuites for testing other HTTP & crypto backends.
Closes: #1261
Approved by: cgwalters
If the filesystem is already frozen, FIFREEZE returns EBUSY, and if the
filesystem is already thawed, FITHAW returns EINVAL. It's very unlikely
these issues would arise on a real ostree system since the sysroot would
be locked during the freeze/thaw cycle.
However, when multiple fake sysroots are used during the test suite (run
as root), the tests could race to run the freeze/thaw cycle without
locking. Furthermore, there's no reason why an independent process might
be trying to freeze the filesystem while ostree was deploying. Ignore
but warn for these errors since there's not much ostree can do about it,
anyways.
Closes: #1260
Approved by: cgwalters
The faster (OpenSSL/GnuTLS) code lived in a `GInputStream` wrapper, and that
adds a lot of weight (GObject + vtable calls). Move it into a simple
autoptr-struct wrapper, and use it in the metadata path, so we're
now using the faster checksums there too.
This also drops a malloc there as the new API does hexdigest in place to a
buffer.
Prep for more work in the commit path to avoid `GInputStream` for local file
commits, and ["adopting" files](https://github.com/ostreedev/ostree/pull/1255).
Closes: #1256
Approved by: jlebon
For many cases of commit, we can actually optimize things by simply "adopting"
the object rather than writing a new copy. For example, in rpm-ostree package
layering.
We can only make that optimization though if we take ownership of the file. This
commit hence adds an API where a caller tells us to do so. For now, that just
means we `unlink()` the files/dirs as we go, but we can now later add the
"adopt" optimization.
Closes: #1255
Approved by: jlebon
What the deltas code is doing is weird/unfortunate. The name
`ot_variant_read()` conflicts too much with `ot_variant_read_fd()`.
Since nothing else uses it, move it into the deltas code.
Closes: #1254
Approved by: jlebon
A lot of the libostree code is honestly too complex for its
own good (this is mostly my fault). The way we do HTTP writes
is still one of those. The way the fetcher writes tempfiles,
then reads them back in is definitely one of those.
Now that we've dropped the "partial object" bits in:
https://github.com/ostreedev/ostree/pull/1176 i.e. commit
0488b4870e
we can simplify things a lot more by having the fetcher
return an `O_TMPFILE` rather than a filename.
For trusted archive mirroring, we need to enable linking
in the tmpfiles directly.
Otherwise for at least content objects they're compressed, so we couldn't link
them in. For metadata, we need to do similar logic to what we have around
`mmap()` to only grab a tmpfile if the size is large enough.
Closes: #1252
Approved by: jlebon
Buried in this large patch is a logical fix:
```
- if (!map)
- return glnx_throw_errno_prefix (error, "mmap");
+ if (map == (void*)-1)
+ return glnx_null_throw_errno_prefix (error, "mmap");
```
Which would have helped me debug another patch I was working
on. But it turns out that actually correctly checking for
errors from `mmap()` triggers lots of other bugs - basically
because we sometimes handle zero-length variants (in detached
metadata). When we start actually returning errors due to
this, things break. (It wasn't a problem in practice before
because most things looked at the zero size, not the data).
Anyways there's a bigger picture issue here - a while ago
we made a fix to only use `mmap()` for reading metadata from disk
only if it was large enough (i.e. `>16k`). But that didn't
help various other paths in the pull code and others that were
directly doing the `mmap()`.
Fix this by having a proper low level fs helper that does "read all data from
fd+offset into GBytes", which handles the size check. Then the `GVariant` bits
are just a clean layer on top of this. (At the small cost of an additional
allocation)
Side note: I had to remind myself, but the reason we can't just use
`GMappedFile` here is it doesn't support passing an offset into `mmap()`.
Closes: #1251
Approved by: jlebon
Appease Coverity by using the same condition for both the ternary check
and the if-condition later on. It should be smart enough to figure out
that `dir_enum == NULL` implies that `dfd_iter != NULL` from the
assertion at the top of the function.
Coverity CID: #1457318Closes: #1250
Approved by: cgwalters
We didn't have `-Wall` in our `CFLAGS`. It's normally injected by
`configure.ac`, but because we *did* have `-Werror`, it was skipped.
Now, we just turn it on unconditionally directly in `build.sh`.
Closes: #1245
Approved by: cgwalters
We want `pull` to be included as long as we have at least either
`libcurl` or `libsoup` to back it. Of course, this is a moot point for
now since `libsoup` is currently a build requirement.
Closes: #1244
Approved by: cgwalters
Spotted while reading through the code, it looks like the
copy_detached_metadata() call is accidentally omitted if a hardlink
already exists for the .commit object.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #1242
Approved by: cgwalters
