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This is a basic implementation of OstreeRepoFinder which resolves ref
names to remote URIs by looking for them on any currently mounted
removable storage volumes. The idea is to support OS and app updates via
USB stick.
Unit tests are included.
This bumps libostree’s maximum GLib dependency from 2.44 to 2.50 for
g_drive_is_removable(). If GLib 2.50 is not available, the call which
needs it will be omitted and the OstreeRepoFinderMount implementation
will scan all volumes (not just removable ones); this is a performance
hit, but not a functionality hit.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
This is a basic implementation of OstreeRepoFinder which resolves ref
names to remote URIs by looking their collection IDs up in the local
configuration of remotes who have their collection-id key set.
Unit tests are included.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
Add an initial OstreeRepoFinder interface (but no implementations),
which will find remote URIs by ref names and collection IDs, the
combination of which is globally unique.
The new API is used in a new ostree_repo_find_updates() function, which
resolves a list of ref names to update into a set of remote URIs to pull
them from, which can be treated as mirrors. It is an attempt to
generalise resolution of the URIs to pull from, and to generalise
determination of the order and parallelisation which they should be
downloaded from in.
Includes fixes by Krzesimir Nowak <krzesimir@kinvolk.io>.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
This adds a new collection-refs option of type a(sss), giving a list of
(collection ID, ref name, checksum) tuples to pull from the given remote.
This option is intended to supersede the refs and override-commit-ids
options, so is mutually exclusive with them.
This includes support for resolving the refs from the remote’s summary
file, or from its refs/heads and refs/mirrors directories.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
These are tuples of (collection ID, ref name) which are a globally-unique
form of local ref. They use OstreeCollectionRef as an identifier, and hence
need to be accessed using new API, as the existing API uses string
identifiers and sometimes accepts refspecs. Remote names are not
supported as part an OstreeCollectionRef.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
Add {get,set}_collection_id() methods to OstreeRepo and some documentation
about the concept of a collection ID which globally identifies an
upstream repository. See the documentation for more details.
This will be used in future commits. For now, the new API is marked as
experimental (--enable-experimental-api).
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
This is a type representing the tuple (collection ID, ref name), which is
guaranteed to be globally unique. It will be used in upcoming commits.
It introduces the concept of a ‘collection’ which is a unique, curated
set of refs which lie in the same trust domain (i.e. all signed by the
same key and validated by the same developer). Flathub might be a
collection, for example; or the set of OS refs coming from a particular
OS vendor.
It includes a function for validating collection IDs.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
This will make some future additions to regenerate_summary() easier.
This commit introduces no functional changes.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #924
Approved by: cgwalters
This is followon work from previous cleanups. Basically
`stat_bare_content_object()` was the `fstatat()` logic
and `ostree_repo_read_bare_fd()` was the `openat()` implementation;
they duplicated some bits to find the object in staging, recurse
into parent etc.
Further, I wanted an internal-only version of this API which didn't allocate
`GFileInfo`/`GInputStream` but used a plain `fd` and `struct stat` to avoid
mallocs.
The end version here I think looks a lot nicer, since we deduplicate the various
`open()` calls in the different cases for example.
Closes: #952
Approved by: jlebon
Prep for future cleanup patches (in particular I want an internal-only
version at first that uses a fd+`struct stat`) to avoid allocations.
The new version avoids lots of deep nesting of conditionals as well
by hoisting the "not found" handling to an early return.
There's a bit of code duplication between the two cases but it's
quite worth the result.
Closes: #951
Approved by: jlebon
Prep for a change in `ostree_repo_load_file()`. We would crash if a
caller had `out_file_info = NULL`, because we deref `ret_file_info`
below it.
Closes: #951
Approved by: jlebon
There was a typo in it when it was first introduced. Let’s not live in
the past.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #950
Approved by: cgwalters
There was a typo in the group name. It should be OK to change the
version since this is all hidden behind the --enable-experimental-api
configure option.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #950
Approved by: cgwalters
We don't want to inject this warning by default for every build
like the other ones in `configure.ac`, since it can be spruriously
wrong. But there's no reason not to have a more extended set of
warnings for well-known toolchains (e.g. f25).
Closes: #943
Approved by: jlebon
There are a few places in the code where ad-hoc validation was being
performed. Might as well formalise it a bit more.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #948
Approved by: cgwalters
test-symbols.sh was looking for the DevelBuild string, which is actually
part of the output from `ostree --version`, not $OSTREE_FEATURES.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #948
Approved by: cgwalters
Add a check that verifies that `is_release_build` is `yes` only for
release commits. And also verify that the commit message has the correct
version.
Closes: #945
Approved by: cgwalters
And use it in `test-symbols.sh`, to fix the `distcheck` case;
the previous change stopped distributing `libostree-devel.sym`
in release builds.
Closes: #944
Approved by: jlebon
I was trying to do a release and move the symbols from `-devel.sym` into
`-release.sym`, but it turns out that at least GNU binutils `ld` treats an empty
version script as a syntax error. Fix this by adding a "release build"
flag, and only include `-devel` in non-release builds.
This would also make it easier to inject that flag into our `.pc` and
`ostree-version.h` and `ostree --version` metadata, but I didn't do that yet.
EDIT: Turns out a simpler fix is just to add an empty section. However I kept
this commit since it's a useful sanity check for whether we should include
`-devel.sym` in builds, and we may want to inject the metadata later.
Closes: #942
Approved by: jlebon
Change the annotation of the out parameters on ostree_repo_load_file
from `(allow-none)` to `(optional) (nullable)`. `allow-none` is
ambiguous, since these parameters can be both NULL on input and set to
NULL on return.
Closes: #939
Approved by: cgwalters
Flatpak make check is failing when applying a static delta
to a bare-user-only repo due to an assert. The fix is to add
bare-user-only to the assert check.
Closes: #940
Approved by: giuseppe
I only checked the test passed, I didn't read the output closely, and
made it succeed without testing anything.
Fix the absolute/relative `/etc` references.
Closes: #937
Approved by: jlebon
We're hitting this in flathub, where we have a bunch of local builds,
but we also mirror a few refs from the gnome runtime repo into it.
Its fixable by re-doing the summary, but for a short time the
wrong version is visible.
Fixes https://github.com/ostreedev/ostree/issues/846Closes: #935
Approved by: cgwalters
The code here tried to truncate the string to the previous length,
but that doesn't work when recursing, since further calls change the
length.
What actually ended up happening was the string would get corrupted
after the first level of recursion.
Closes: #936
Approved by: jlebon
So far a lot of submitted PR have added symbols into the first
section. Split the file into `-released` and `-devel` to make
this more obvious.
To further enforce things, we hardcode a checksum of the `-released`
file in `test-symbols.sh`. Only release commits should update that
checksum.
Did you notice I like checksums?
Closes: #931
Approved by: pwithnall
This is especially interesting for the versioning symbols themselves,
as it is an indicator of when applications using introspection information
can start to use a symbol in the library to check if they have a
recent enough version of OSTree to use.
Closes: #932
Approved by: cgwalters
For the flatpak PR: https://github.com/flatpak/flatpak/pull/849
It's really more convenient if this works for HTTP pulls as well, since flatpak
does various types of pulling, and we can just set the flag everywhere.
Further, we might as well reject the content as early as possible.
Closes: #930
Approved by: alexlarsson
We saw this fail in a CI run. We've been trying to add strategic error prefixing
as a general rule, and this specific instance may help debug.
Closes: #929
Approved by: pwithnall
This imports a function that is used in rpm-ostree, and it's also intended for
use by https://github.com/advancedtelematic/aktualizr to display
what deployment we're going to boot next after the reboot.
Updated-by: Colin Walters <walters@verbum.org>
Closes: #897
Approved by: OYTIS
This is a continuation of https://github.com/ostreedev/ostree/pull/926
for directories instead of files.
See: https://github.com/flatpak/flatpak/issues/845
This option suppresses mode bits outside of `0775` for directory
checkouts. I think most people should start doing this by default,
and use explicit overrides for e.g. `/tmp` if doing a recommit based
on a checkout.
Closes: #927
Approved by: alexlarsson
This is an option which is intended mostly for flatpak;
see: https://github.com/flatpak/flatpak/issues/845
We're adding an option for pulling into *all*
repo modes that has an effect similar to the `bare-user-only`
change from https://github.com/ostreedev/ostree/pull/909
This way one can pull content into e.g. a root-owned `bare` repository and
ensure that there aren't any setuid or world-writable files.
Closes: #926
Approved by: alexlarsson
Thinking about the problem of flatpak converting from `bare-user` to `bare-user-only`
"in place" by creating a new repo and doing a `pull-local`, I realized
that we can optimize this process by doing hardlinks for both metadata
and regular files. The repo formats are *almost* compatible, the
exception being symlinks.
An earlier patch caused us to do hardlinks for metadata, this patch takes things
to the next step and special cases this specific conversion. In this case we
need to parse the source object to determine whether or not it's a symlink.
Closes: #922
Approved by: alexlarsson
Our previous logic for import-via-hardlink only tried if the repo modes match,
but we *can* hardlink metadata between e.g. `archive` and `bare-user` repos, and
that's quite useful thing to do. Our documentation encourages converting to/from
those repo modes locally for build systems.
Closes: #922
Approved by: alexlarsson
Before this, if one had repos of matching mode but different owners,
which could happen if one e.g. makes a `bare` non-root repo in
`/ostree/deploy/$stateroot/var/tmp`, every time we tried to call `linkat()`
we'd get `EPERM` and fall back to a copy.
Fix this by saving the repo owner uid, and avoid trying to call `linkat()` if we
know it's going to fail. Of course most commonly in this scenario we'll
immediately fail trying to `chown` the files to `0`, but this is prep for a
future patch to improve `bare-user` → `bare-user-only` imports where we'll be a
bit more sophisticated.
Closes: #922
Approved by: alexlarsson
This code looks like it was supposed to build a refspec, but it used a
slash as a separator rather than a colon. The following code does
recover by supporting prefix matching with slashes, but it seems like
this was perhaps not the intention.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #912
Approved by: cgwalters
Its often the case that we want to look at objects inside a commit,
before the objects the transaction is finished. For instance:
https://github.com/flatpak/flatpak/pull/837
Which tries to verify the file permissions before committing the
transaction.
And:
1e5ffa926a
Which collects the storage size of the objects so that we can
put the total download size in the commit metadata.
I tried to find all the places where we did reads from the
object directories, and in particular this fixes:
- `ostree_repo_load_file()` for `bare` repos (`archive` was already working).
- `ostree_repo_query_object_storage_size()`
- Applying deltas that reference not-yet-commited objects
Closes: #916
Approved by: cgwalters
This came up in: https://github.com/ostreedev/ostree/pull/881
Basically doing streaming for metadata is dumb. Split up the metadata/content
paths so we pass metadata around as `GVariant`. This drops the last internal
caller of `ostree_repo_write_metadata_stream_trusted()` which was the dumb
function mentioned.
Closes: #923
Approved by: jlebon
See https://github.com/ostreedev/ostree/pull/909 for more information on the
rationale. Basically there's no reason for flatpak (which uses `bare-user-only`)
to have world-writable dirs. Particularly with the presence of the system
helper.
An approach I considered instead was to parse and validate directory metadata
objects at commit time. We still may do that in addition; for file objects we *had*
to do it that way because the actual files would be laid down suid. But directories
live only as inert `.dirmeta` objects until we do a checkout (i.e. `mkdir()`), so
we can solve the problem at checkout time.
Closes: #914
Approved by: alexlarsson
Both callers of `commit_loose_object_trusted()` were passing
`OSTREE_OBJECT_TYPE_FILE`, so drop that parameter. This in turn
allows us to drop lots of checking of that inside the function.
Add a doc comment, and rename to `commit_loose_content_object()` for clarity.
Closes: #914
Approved by: alexlarsson
I noticed my previous patches incorrectly started doing `return glnx_throw*`
inside a `goto out;` function. Fix this by porting forward consistently to new
style. We just do the error prefixing in the caller.
Closes: #914
Approved by: alexlarsson
