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Because the source is in a subdirectory, we lose out on cargo target
autodiscovery.
I noticed this when I edited one of the tests in a way that
should have failed, but didn't...
We recently discovered `list_objects()` is inefficient with memory.
The more efficient `list_objects_set()` API isn't yet public, but
this fsck code actually just skips over non-commit objects, and
we already have an API to list just those.
No real changes.
```
$ cargo fix --edition
note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
This may cause some dependencies to be built with fewer features enabled than previously.
More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
When building the following dependencies, the given features will no longer be used:
libc v0.2.126 removed features: extra_traits
The following differences only apply when building with dev-dependencies:
getrandom v0.2.6 removed features: std
```
which looks OK to me.
When we did the merger, it turns out cargo by default is basically
going to include all of stuff in the git repository root directory
which is "libostree". We just want the stuff in `rust-bindings/`.
I initially tried adding `include = "rust-bindings/"` but
according to
https://doc.rust-lang.org/cargo/reference/manifest.html#the-exclude-and-include-fields
specifying `include` means that `exclude` is
ignored, which is kind of annoying. Further, doing so *also*
turns off the cargo automatic rules for handling e.g. `gitignore`.
So for now I went with the approach of adding everything from the C
library stuff into `exclude/`.
I messed this up; the last release should inherit from the previous
release (N-1) and not the previous to that (N-2).
I think (hope) this isn't an ABI break...
Just noticed this when I was going to add a new symbol.
In https://github.com/ostreedev/ostree/pull/2633 I realized
that our CI only builds git of libostree or git of rust-bindings,
not git of both. And we definitely want to test the latter too,
so e.g. the Rust tests *also* become tests for changes to the C code.
In a prior change we discovered that for bad historical reasons
libostree was returning a mapping "object type+checksum" => "metadata"
but the "metadata" was redundant and pointless.
Optimize the prune API to use a (currently internal) object listing
API which returns a set, not a map. This allows `GHashTable` to
avoid allocating a separate array for the values, neatly cutting
memory usage in half (from ~13MB to ~6MB) on my test case of a
dry-run prune of a FCOS build.
There were some changes to the sys API for introspection fixes.
And add a feature for the current release, which is something
I'll add to the checklist for releases.
I was looking at https://github.com/ostreedev/ostree/pull/2632
and confused at the usage of
`GVariant *value = g_variant_new ("(b@as)", TRUE, g_variant_new_strv (NULL, 0));`
which looked strange - why the empty strv?
It turns out that this is a historical legacy of the time when
ostree had pack files. And nothing actually cares about the values
of these variants; we should have an API that returns a proper set,
and not a hash.
But...since all of these things have exactly the same value, instead
of allocating lots of redundant copies on the heap, just have
them all hold a refcount on a shared value.
This cuts the heap usage from 20MB to 13MB on a test FCOS repository
build.
It inherently depends on the individual build, and can't
really be an official stable API for introspection users.
I've noticed the value of this flip flop when doing local builds.
I'm fairly certain no one is trying to use it from a higher level
language.
It'd probably make sense to even drop from the official C API,
but I'm trying to be conservative with that.
I was looking at our `.gir` and noticed we had the cmdprivate bits
because the pattern for excluding headers is `-private.h`, which
didn't match `cmdprivate.h`.
