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Now, it supports almost everything except `recursive = false;`, i.e. `flat`-ingestion
because we have no knob exposed in the tvix store import side to do it.
This has been tested to work.
Change-Id: I2e9da10ceccdfbf45b43c532077ed45d6306aa98
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10597
Tested-by: BuildkiteCI
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Reviewed-by: flokli <flokli@flokli.de>
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Instead of enforcing NAR SHA256 all the time, we generalize the
`PathInfo` constructor to take a `CAHash` argument which can drive
whether we are having a flat, NAR or text scheme.
With this, it is now possible to implement flat schemes in our
evaluation builtins, e.g. `builtins.path`.
Change-Id: I15bfee0ef4f0f428bfbd2f30c57c012cdcf6a976
Signed-off-by: Ryan Lahfa <tvl@lahfa.xyz>
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11286
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Derivation that depends on `${d.drvPath}` generates a `NixContextElement::Derivation(drvPath)` context string.
In turn, this makes the dependent derivation depend on *ALL* outputs of that derivation.
Note that a dependency on `${d.drvPath}` generates an input source
dependency too.
This is a complete implementation of the context string system in Nix on
the "input population" side.
The test coverage of this change is taken care in cl/11264.
Change-Id: I97fe5f7c772a6b1cc4366bee071aa691a11fcde6
Signed-off-by: Ryan Lahfa <tvl@lahfa.xyz>
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11261
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Make this function async, and do the block_on on the (single) callsite.
Change-Id: Ib8b0b54ab5370fe02ef95f38a45d8866868a9d60
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11285
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
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Replace the (single) callsite with some code interacting with the tokio
runtime to block on the async version.
Change-Id: I3976496ae77b2bb8734603f303655834265e3f0a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11284
Tested-by: BuildkiteCI
Reviewed-by: Connor Brewster <cbrewster@hey.com>
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Implement the fetchurl builtin, and lay the groundwork for implementing
the fetchTarball builtin (which works very similarly, and is implemented
using almost the same code in C++ nix).
An overview of how this works:
1. First, we check if the store path that *would* result from the
download already exists in the store - if it does, we just return
that
2. If we need to download the URL, TvixStoreIO has an `http_client:
reqwest::Client` field now which we use to make the request
3. As we're downloading the blob, we hash the data incrementally into a
SHA256 hasher
4. We compare the hash against the expected hash (if any) and bail out
if it doesn't match
5. Finally, we put the blob in the store and return the store path
Since the logic is very similar, this commit also implements a *chunk*
of `fetchTarball` (though the actual implementation will likely include
a refactor to some of the code reuse here).
The main thing that's missing here is caching of downloaded blobs when
fetchurl is called without a hash - I've opened b/381 to track the TODO
there.
Adding the `SSL_CERT_FILE` here is necessary to teach reqwest how to
load it during tests - see 1c16dee20 (feat(tvix/store): use reqwests'
rustls-native-roots feature, 2024-03-03) for more info.
Change-Id: I83c4abbc7c0c3bfe92461917e23d6d3430fbf137
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11017
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: aspen <root@gws.fyi>
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To pave the way for adding a new error type for builtins in this crate,
move DerivationError to a new builtins::errors module.
Change-Id: I65fcad63e43ed40ad39c2c6540a2ab80fdd90fd4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11016
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: aspen <root@gws.fyi>
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Previously, Nix strings were represented as a Box (within Value)
pointing to a tuple of an optional context, and another Box pointing to
the actual string allocation itself. This is pretty inefficient, both in
terms of memory usage (we use 48 whole bytes for a None context!) and in
terms of the extra indirection required to get at the actual data. It
was necessary, however, because with native Rust DSTs if we had
something like `struct NixString(Option<NixContext>, BStr)` we could
only pass around *fat* pointers to that value (with the length in the
pointer) and that'd make Value need to be bigger (which is a waste of
both memory and cache space, since that memory would be unused for all
other Values).
Instead, this commit implements *manual* allocation of a packed string
representation, with the length *in the allocation* as a field past the
context. This requires a big old pile of unsafe Rust, but the payoff is
clear:
hello outpath time: [882.18 ms 897.16 ms 911.23 ms]
change: [-15.143% -13.819% -12.500%] (p = 0.00 < 0.05)
Performance has improved.
Fortunately this change can be localized entirely within
value/string.rs, since we were abstracting things out nicely.
Change-Id: Ibf56dd16c9c503884f64facbb7f0ac596463efb6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10852
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: aspen <root@gws.fyi>
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This reverts commit d9565a4d0af3bffd735a77aa6f1fd0ec0e03b14a.
Reason for revert: this was intentional - putting Rc::clone instead of
.clone is a common Rust idiom, and makes it explicit that we're cloning
a shared reference, not an underlying resource
Change-Id: I41a5f323ee35d7025dc7bb02f7d5d05d0051798d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10995
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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https: //b.tvl.fyi/issues/264
Change-Id: Icb09be9643245cc68d09f01d7723af2d44d6bd1a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11001
Autosubmit: Peter Kolloch <info@eigenvalue.net>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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https: //b.tvl.fyi/issues/264
Change-Id: I7a235734dc1f8e93e387a04ba369f3b702c6d5b6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10992
Autosubmit: Peter Kolloch <info@eigenvalue.net>
Reviewed-by: flokli <flokli@flokli.de>
Reviewed-by: Peter Kolloch <info@eigenvalue.net>
Tested-by: BuildkiteCI
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...in `Derivation`.
This is more type-safe and should consume less memory.
This also removes some allocations in the potentially hot path of output hash calculation.
https: //b.tvl.fyi/issues/264
Change-Id: I6ad7d3cb868dc9f750894d449a6065608ef06e8c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10957
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: Peter Kolloch <info@eigenvalue.net>
Reviewed-by: Peter Kolloch <info@eigenvalue.net>
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We add a new set of builtins called `import_builtins`, which
will contain import-related builtins, such as `builtins.path` and
`builtins.filterSource`. Both can import paths into the store, with
various knobs to alter the result, e.g. filtering, renaming, expected
hashes.
We introduce `filtered_ingest` which will drive the filtered ingestion
via the Nix function via the generator machinery, and then we register
the root node to the path info service inside the store.
`builtins.filterSource` is very simple, `builtins.path` is a more
complicated model requiring the same logic albeit more sophisticated
with name customization, file ingestion method and expected SHA-256.
Change-Id: I1083f37808b35f7b37818c8ffb9543d9682b2de2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10654
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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All these functions have an Rc of Rc<TvixStoreIO> or Rc<dyn StoreIO>, so
we can call io.clone() directly.
Change-Id: I96a5bcb9af4aca93892cb72bcfaf14540da52381
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10989
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Initialize a new empty builtins module `fetcher_builtins`, which will
contain the builtins which fetch URLs from the internet:
* fetchurl
* fetchGit
* fetchTarball
* fetchTree (maybe? this is experimental)
These builtins are all implemented in CPP nix at:
https://github.com/NixOS/nix/blob/2.20.2/src/libexpr/primops/fetchTree.cc
These builtins are added to the evaluation context using a similar
mechanism to the derivation builtins, and have been added everywhere
derivation builtins were previously being added.
Change-Id: I133b91cc9560f23028621414537f712e7bd8a825
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10974
Autosubmit: aspen <root@gws.fyi>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Passing a StorePathRef is annoying if we only (already) have a
StorePath.
Change-Id: Ic3b36c0041707230515a6745a57f0d25b2bafd16
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10948
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Reviewed-by: Peter Kolloch <info@eigenvalue.net>
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We need to not only store a map from drv path to hash derivation modulo,
but also keep the original Derivation struct - because we'll use that
later to trigger builds.
Change-Id: I78e2e8431ab5ae853188866b797a79025200de98
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10790
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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This is now the only enum variant for Value that is larger than 8
bytes (it's 16 bytes), so boxing it (especially since it's not
perf-critical) allows us to get the Value size down to only 16 bytes!
Change-Id: I98598e2b762944448bef982e8ff7da6d6683c4aa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10798
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: aspen <root@gws.fyi>
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Storing a full BString here incurs the extra overhead of the capacity
for the inner byte-vector, which we basically never use as Nix strings
are immutable (and we don't do any mutation / sharing analysis).
Switching to a Box<BStr> cuts us from 72 bytes to 64 bytes per
string (and there are a lot of strings!)
Change-Id: I11f34c14a08fa02759f260b1c78b2a2b981714e4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10794
Autosubmit: aspen <root@gws.fyi>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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NixString is *quite* large - like 80 bytes - because of the extra
capacity value for BString and because of the context. We want to keep
Value small since we're passing it around a lot, so let's box the
NixString inside Value::String to save on some memory, and make cloning
ostensibly a little cheaper
Change-Id: I343c8b4e7f61dc3dcbbaba4382efb3b3e5bbabb2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10729
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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C++ nix uses C-style zero-terminated char pointers to represent strings
internally - however, up to this point, tvix has used Rust `String` and
`str` for string values. Since those are required to be valid utf-8, we
haven't been able to properly represent all the string values that Nix
supports.
To fix that, this change converts the internal representation of the
NixString struct from `Box<str>` to `BString`, from the `bstr` crate -
this is a wrapper around a `Vec<u8>` with extra functions for treating
that byte vector as a "morally string-like" value, which is basically
exactly what we need.
Since this changes a pretty fundamental assumption about a pretty core
type, there are a *lot* of changes in a lot of places to make this work,
but I've tried to keep the general philosophy and intent of most of the
code in most places intact. Most notably, there's nothing that's been
done to make the derivation stuff in //tvix/glue work with non-utf8
strings everywhere, instead opting to just convert to String/str when
passing things into that - there *might* be something to be done there,
but I don't know what the rules should be and I don't want to figure
them out in this change.
To deal with OS-native paths in a way that also works in WASM for
tvixbolt, this also adds a dependency on the "os_str_bytes" crate.
Fixes: b/189
Fixes: b/337
Change-Id: I5e6eb29c62f47dd91af954f5e12bfc3d186f5526
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10200
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: flokli <flokli@flokli.de>
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: aspen <root@gws.fyi>
Tested-by: BuildkiteCI
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- Adjust to ecl 23.9.9 release
- Regenerate go protos after protoc-gen-go update
- Drop dhall fork which hasn't kept up with 1.42.*
- Address new clippy warnings:
- Variant naming of Error::ValidationError
- Simplify .try_into().unwrap()
- Drop unnecessary identity function
- Test module must be last in file
- Drop unused `pub use`
- Update agenix to 0.15.0. Current master has a installCheckPhase that
doesn't work with C++ Nix 2.3.*:
https://github.com/ryantm/agenix/commit/a23aa271bec82d3e962bafb994595c1c4a62b133#commitcomment-137185861
Change-Id: Ic29eef20d6fd1362ce1031364a5ca6b4edf195bd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10615
Reviewed-by: aspen <root@gws.fyi>
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>
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TvixStoreIO triggers builds whenever IO into a not-yet-built store path
is requested, if it knows how to build that path.
Change-Id: If30e9db6be2f2a30cbc9d0576f357f3ecfa0d35a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10645
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
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We propagate a `TvixStoreIO` as the `state` of our derivation-specific
builtins in the glue crate.
The evaluators `io_handle` itself is using a Rc<dyn EvalIO>.
An earlier version of TvixStoreIO was also introducing generics over the
different internal services themselves, but we opted for instead
hardcoding this to Arc<dyn …> for the sake of less macro voodoo.
Change-Id: I535c476f06b840858fa3070c4a237ece47f7a15b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10636
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Don't restrict to a Box<dyn EvalIO>.
There's still one or two places where we do restrict, this will be
solved by b/262.
Change-Id: Ic8d927d6ea81fa12d90b1e4352f35ffaafbd1adf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10639
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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Rather than passing strings around, use a StorePathRef.
This makes things a bit more typesafe, and more aligned with what we
want to do in b/264.
Change-Id: Ib7080addf27e7f1a9c8da1d8aaa66744468e3b5a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10633
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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A bunch of operations in Tvix are not aware of catchable values
and does not propagate them.
In the meantime, as we wait for a better solution, we just offer this
commit for moving the needle.
Change-Id: Ic3f0e1550126b0847b597dfc1402c35e0eeef469
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10473
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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`args` was not propagating context, here's a regression test for it.
Change-Id: I8b6a3148508d40df0077128f0bafe68c098a03bd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10610
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This adds support to handle the __structuredAttrs argument, which can be
passed to builtins.derivationStrict.
If __structuredAttrs is passed, and set to true, most of the arguments
passed to builtins.derivationStrict are not simply coerced to a string
and passed down to "environments", but instead kept in a more structured
fashion.
Inside ATerm, which is what's relevant as far as path calculation is
concerned, a virtual `__json` environment variable is present,
containing these structured values.
Inside Builds, these structured values are not made available as an
environment variable, but a JSON file (and source-able bash script).
This will need to be respected once we start emitting BuildRequests,
and for that we can probably just parse the `__json` key in
Derivation.environment again - or keep this additionally in
non-serialized form around during Evaluation.
No matter what, this is left for a followup CL.
The existing handle_derivation_parameters and populate_outputs helper
function were removed, as __structuredAttrs causes quite a change
in behaviour, and so handling both in the same place makes it more
readable.
There's some open questions w.r.t. string contexts for structured attrs
itself. A TODO is left for this, but at least path calculation for
individual structured attrs derivations are correct now.
Part of b/366.
Change-Id: Ic293822266ced6f8c4826d8ef0d2e098a4adccaa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10604
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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My OCD could not be stopped.
Change-Id: I2bf504fe0865a5084ad02aee18e6180a8a3e19d7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10609
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This test serves as a minimal reproducer for output path calculation.
Derivations with the same name and output hash, but different build
recipe should end up with the same outPath.
However derivations with different name should end up with a different
outPath.
Change-Id: I555be59dd87ea675a0816188ed973f96c311e4e1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10416
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Change-Id: I7f0cc42cbebfe5cd27bf6d4f58a4af927b83646a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10423
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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We calculate the input context by performing the union of context
over all input of the derivation.
Then, we just pass the rest of it to the remaining machinery.
Finally, we re-emit an `outPath` and a `drvPath` containing the expected
contexts.
Change-Id: I74905fb258b5bee8b08d1208c9eb87f51b92a890
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10436
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This removes the reference tracking and uses instead the context for
references and returns some.
Change-Id: Ic359ca6b903b63f1a9c679c566004c617b792442
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10435
Autosubmit: raitobezarius <tvl@lahfa.xyz>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This already succeeds, as the output path calculation path does not need
to be aware of any builder-specific custom handling for passAsFile.
Change-Id: I9cc9e4e4351cdeaa3ec33ba58ee1569e7a368150
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10520
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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And include a test to ensure we show the warning.
Change-Id: Ib6a436dbba2592b398b54e44f15a48d1aa345099
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10470
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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Instead, it's passed in the evaluate/compile_only functions, which feels
more naturally. It lets us set up the Evaluation struct long before
we actually feed it with data to evaluate.
Now that Evaluation::new() would be accepting an empty list of
arguments, we can simply implement Default, making things a bit more
idiomatic.
Change-Id: I4369658634909a0c504fdffa18242a130daa0239
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10475
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
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The default behavior of string coercion in C++ Nix is to weakly coerce
and import to store if necessary. There is a flag to make it strongly
coerce (coerceMore) and a flag that controls whether path values have
the corresponding file/directory imported into the store before
returning the (store) path as a string (copyToStore). We need to
implement our equivalent to the copyToStore (import_paths) flag for the
benefit of weak coercions that don't import into the store (dirOf,
baseNameOf, readFile, ...) and strong coercions that don't import into
the store (toString).
This makes coerce_to_string as well as CoercionKind weirder and more
versatile, but prevents us from reimplementing parts of the coercion
logic constantly as can be seen in the case of baseNameOf.
Note that it is not possible to test this properly in //tvix/eval tests
due to the lack of an appropriate EvalIO implementation being available.
Tests should be added to //tvix/glue down the line.
Change-Id: I8fb8ab99c7fe08e311d2ba1c36960746bf22f566
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10361
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: Adam Joseph <adam@westernsemico.com>
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This commit adjusts the error produced by STRUCTURED_ATTRS so that
it is catchable. This way we are able to enumerate the release
packageset, and the enumeration process will simply treat the few
derivations using structured attributes as being broken, rather than
killing the whole eval session.
Change-Id: I2e17638b8e3227f88543c3718aaf505deaec22ae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10306
Autosubmit: Adam Joseph <adam@westernsemico.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I25b7197458dbfbde8623545dc0a0286eb2744f10
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9911
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
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