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This parallels ostree_repo_remote_list_refs(), but returns a map of
OstreeCollectionRef → checksum, and includes refs from collection IDs
other than the remote repository’s main collection ID.
Use this in OstreeRepoFinderConfig to ensure that refs are matched
against even if they’re stored in the repository summary file’s
collection map, rather than its main ref map. This fixes false negatives
when searching for refs in some situations.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #1058
Approved by: cgwalters
As discussed in https://github.com/ostreedev/ostree/pull/946, the
summary file is becoming an unsigned cache of ref information; any
additional metadata for the repository needs to move elsewhere in order
to remain signed. Introduce OSTREE_REPO_METADATA_REF as the well-known
name of a ref where such metadata can live, as the metadata on
contentless commits.
Don’t yet update the documentation for summary-related methods to
mention this, since it’s still hidden behind the
--enable-experimental-api configure option.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #946
Approved by: cgwalters
This is a more complex implementation of OstreeRepoFinder which resolves
ref names to remote URIs by looking for refs advertised by peers on the
local network using DNS-SD records and mDNS (Avahi). The idea is to
allow OS and app updates to be propagated over local networks, without
the internet.
It requires an OSTree server and code to generate the DNS-SD adverts in
order to be fully functional — support for this will be added
separately.
Unit tests are included.
Includes fixes by Krzesimir Nowak <krzesimir@kinvolk.io>.
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 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
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
Now that we’ve got a public, sealed OstreeRemote structure, we can start
carefully exposing members of it as API.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #875
Approved by: cgwalters
Previously it was static to ostree-repo.c. Make it usable throughout
libostree so it can be used by an upcoming commit, but also expose the
typedef and reference counting functions so that opaque OstreeRemote
pointers can be used by user code, in anticipation of exposing more of
its API publicly in future.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #832
Approved by: cgwalters
There are currently no unstable APIs, but some will be added in
following commits. They will be built and exposed in the libostree
global symbol list iff configured with --enable-experimental-api.
Distributions should not package OSTree with --enable-experimental-api.
This is designed for previewing new APIs on controlled platforms; any of
the APIs hidden behind this option may be changed or removed at any
point.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Closes: #832
Approved by: cgwalters