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... if they are known. We currently do not propagate names correctly
for curried functions.
Change-Id: I19d57fb30a5c0000ccdf690b91076f6b2191de23
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7596
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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Change-Id: I1dd8de8d996e07840f9b0aaebf932b812103a43a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7593
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This value creates a human-readable explanation of a value. This can
be used to implement documentation related functionality.
For some values, the amount of information displayed can be expanded
quite a bit.
Change-Id: Ie8c400feae909e7680af163596f99060262e4241
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7592
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This type allows for temporarily compatibility with the C++ Nix store,
specifically (for now) it gives us the store directory used by Nix and
imports files the same way.
Change-Id: I4767794ef2863eba49661315c63c4e17de946d60
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7587
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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The //tvix README already steers to `mg run //tvix:crate2nixGenerate
--`, there's no point in /also/ having a non-formatting version of
crate2nix in ``$PATH`.
Change-Id: Idc6409799ae5f0629376eef6eeff6eb9eaa4fb99
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7613
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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`mg run //tvix:crate2nixGenerate --` runs crate2nix generate and
depotfmt's it afterwards.
This removes a frequent point of friction, because the Cargo.nix emitted
by crate2nix needs another formatter.
Change-Id: I649495980718cd3847d4cff77c9d4bfcb599387c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7612
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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This provides an interface to retrieve and upload single Directory
messages, or a DAG of them.
Change-Id: Id9e7084bd697d843649a122da2c992a3e36d808c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7137
Tested-by: BuildkiteCI
Reviewed-by: Adam Joseph <adam@westernsemico.com>
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This defines a service that can be used to upload and retrieve metadata
of nix paths.
Change-Id: Id86eb531ce4ae316adb15934b0d1386a14ba2132
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7136
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: Adam Joseph <adam@westernsemico.com>
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Change-Id: I0a6edb51685f94d4712089ae805170da3fb7faae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7609
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Having a multi-line docstring yields multiple doc-attributes in order,
however we were previously discarding all but the first one.
This reduces them into a single string instead, which can then be
displayed as multi-line documentation.
Change-Id: I1f237956cdea2e4c746d3f13744e0373c1c645a6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7594
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This "ties the knot" of importing files into a store when referring
to them through path literals, e.g. inside of strings.
I'm not yet sure if this interface is sufficient for
builtins.path (which we haven't implemented at all yet), but it's
enough to wire up eval & store initially.
In the default implementations nothing interesting happens in this
function at all.
Change-Id: Ie01ff4161617d1e743a68dbd1a5e54c1b40c0990
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7582
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: I05732073155b430575babb6f076bf465aef98857
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7581
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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Returns the store directory through EvalIO::store_dir.
Note that this is _optional_ in Tvix, as an evaluation can occur in a
context where there simply is no store directory. In those contexts,
`builtins.storeDir` returns `null` in Tvix.
This would only happen in contexts like Tvixbolt (or completely
unrelated use-cases) in practice.
Co-Authored-By: Vincent Ambo <tazjin@tvl.su>
Change-Id: I5a752c7e89b2f75bd7efb082dbfa5b25e3b1ff3b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7452
Autosubmit: Adam Joseph <adam@westernsemico.com>
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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Change-Id: I6d782c07166f51587d2f1d06607823268debb5d5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7574
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: I49822ce30137777865e7370ee86666636e277b35
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7573
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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This shouldn't be available if we've built a "pure" crate.
Change-Id: I7c85827ee212890252ff7e0b6242e2c52618cba5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7572
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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... until we have a store-I/O layer, or something that intercepts the
store-related stuff appropriately.
Change-Id: I22f63435b3f9e118e3faeb2924fda8373a23ea7f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7568
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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With this change, the behaviour of reading a string from a file path
is controlled by the provided `EvalIO` structure.
This is a huge step towards abstracting away I/O behaviour correctly.
Change-Id: Ifde8e46cd863b16e0301dca45a434ad27560399f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7567
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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This lets users set the `io_handle` field on an `Evaluation`, which is
then propagated to the VM.
Change-Id: I616d7140724fb2b4db47c2ebf95451d5303a487a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7566
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This trait is going to be used to abstract filesystem interactions in
Tvix.
For now, it only contains a `read_to_string` method that closely
mirrors `std::fs::read_to_string`.
As a first step, to see how this works in practice, we will thread
through only this function to the various relevant parts.
Two implementations are provided in tvix-eval itself: A dummy
implementation (which just returns ErrorKind::NotImplemented for all
operations), and a std implementation which delegates to `std`
functions.
Change-Id: Ied3e3bf4bd0e874dd84e166190e3873a0f923ddb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7565
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This type carries the information required for calculating a
span (i.e. the chunk and offset), instead of the span itself. The span
is then only calculated in cases where it is required (when throwing
errors).
This reduces the eval time for
`builtins.length (builtins.attrNames (import <nixpkgs> {}))` by *one
third*!
The data structure in chunks that carries span information reduces
in-memory size by trading off the speed of retrieving span
information. This is because the span information is only actually
required when throwing errors (or emitting warnings).
However, somewhere along the way we grew a dependency on carrying span
information in thunks (for correctly reporting error chains). Hitting
the code paths for span retrieval was expensive, and carrying the
spans in a different way would still be less cache-efficient. This
change is the best tradeoff I could come up with.
Refs: b/229.
Change-Id: I27d4c4b5c5f9be90ac47f2db61941e123a78a77b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7558
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: If735c81a04f60dcd77f1c40b595b52ed88bbbe95
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7580
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: flokli <flokli@flokli.de>
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Having thunks which, when forced, execute native Rust code rather
than interpreted opcodes lets us avoid having to bundle
`src/libexpr/primops/derivation.nix` like cppnix does by implementing
it in Rust instead.
Change-Id: If91d77a6736234321eee87ba4b4777eed5a3fe1c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7450
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Instead of finding locals by doing 2x O(n) walks over the compiler's
locals list, use a secondary name-based index for resolving locals by
name.
Previously, almost 60% (!!) of eval time on some expressions over
nixpkgs was spent in `Local::has_name`. This function doesn't even
exist anymore now, and eval speed about doubles as a result.
Note that this doesn't exactly make the locals code easier to read,
but I'm also not sure what we can simplify in there in general.
This fixes b/227.
Change-Id: I29ce5eb9452b02d3b358c673e1f5cf8082e2fef9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7560
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: I0fa069fbeff6718a765ece948c2c1bce285496f7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7449
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: I595087eff943d38a9fc78a83d37e207bb2ab79bc
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7443
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This is done in the form of some comments on the functions, as well as
a functional doctest that writes a single file to a NAR.
Change-Id: Ic97ebd439e91d6b076685807fe70de098ec02575
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7599
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Change-Id: Ic73a391da9a733cade26114ab1127907c8d62a57
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7598
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Users can again pass flags for dumping the AST, bytecode, and runtime
trace.
With this commit the CLI is at feature-parity with what we had before,
but entirely through the new API.
Change-Id: I30fe26f243224b25d1e4f828fec607325ef88306
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7550
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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Change-Id: I5595d6f5141ed4a533ca44a46264dc604fca6be1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7549
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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Change-Id: I82f469f7f186c754c40bd941587b30aa3fc48045
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7548
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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As expected, this ends up being significantly nicer to use than the
previous API.
While doing this, I've combined the error fields into one. This is
because there would only ever be one of those anyways, and combining
them ensures that we have consistent formatting (for example,
parser errors would previously not be run through the pretty
formatter but are now).
Change-Id: I6074ec8a4a3901ea82d5d07174b76a345210967b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7547
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This simplifies lifetime management for observers in callers of tvix_eval.
Change-Id: I2f47c8d89f22b1c766526e5d1483c0d026b500ae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7546
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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With this change, it should be possible to have both existing
use-cases (CLI & Tvixbolt) use the same API.
Change-Id: I2195264f08cc892177b559a28660dc5f98e48e41
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7545
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
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This is required for passing through NIX_PATH from the CLI.
Change-Id: If129df79ef9c3ffab31408adb85679909276c4f0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7544
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This should make no difference in Nix builds, but allows running tests
locally again with `cargo test` for //tvix/eval.
Change-Id: I97d61840143d5c14db61d5862781bf635f9a28e7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7590
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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In //tvix/eval:
* criterion bumped to 4.0, which at least depends on clap 3.x instead
of 2.x, which is less incompatible
In //tvix/cli:
* no changes required
In //tvix/nix_cli:
* some minor changes for compatibility with clap 4.0, no functionality
changes
Change-Id: If793f64b59fcaa2402d3d483ddbab4092f32df03
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7588
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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The tvix-eval project is independent from any *uses* of the evaluator,
such as the tvix-repl.
This functionality has been split out into a separate "tvix-cli"
crate. Note that this doesn't have to mean that this CLI crate is the
"final" CLI crate for tvix, the point of this is not "getting the CLI
structure right" but rather "getting the evaluator structure right".
This reshuffling is part of restructuring the way that functionality
like store communication is injected into language evaluation.
Note that at this commit the new CLI crate is not at feature-parity.
Change-Id: Id0af03dc8e07ef09a9f882a89612ad555eca8f93
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7541
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This removes internal uses of the previous crate::eval module, which
is being removed.
Change-Id: I5fb3c53460a9c5381853d0258f9ed074ab23c630
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7543
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
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A step towards something more like how I imagine the future public API
for tvix-eval. Please note that this is definitely not the final
version yet, but it's better than the previous API that either exposed
a side-effecting blackbox, or a very low-level "interface".
The basic idea is that an evaluation of some Nix code is requested by
a caller with various parameters, but not all callers are interested
in all of these parameters.
There are also some bits of information that are returned from an
evaluation that are not necessarily relevant to all callers.
To support this somewhat ergonomically, the API is built around an
`Evaluation` struct that is configured by the caller with the various
parameters and then "executed".
Change-Id: I71826f3897126898adc2873d31c44d3eaf5c2be0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7542
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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this way I can at least claim to not have completely ignored it this
year :p
Change-Id: I59ab58a05e6bc217e9c6d9fa830d321ddff71d8a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7608
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I1e2dd583c5f782afb679beeb43ceffa0cbc5c59e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7607
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>
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Let he who is without sin cast the first stone...
Change-Id: Ia0807e4efaef2aa4bddb278f60601fe4f59e95e9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7606
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
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:)
Change-Id: I5e483b4a0752c3ed2dab0181e151b56c226d7dd8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7605
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
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Also trial enabling `global-whitespace-mode` (needed to `xml-mode` and maybe
others I'm not thinking of at the moment).
Change-Id: Ibfd6546da80a6238c8334704b144e0a164238dab
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7604
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Reviewed-by: wpcarro <wpcarro@gmail.com>
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Part 2 is pretty slow, since we just reuse our fast solution for part 1.
This means we have to check 4000000 which could be reduced a bit by
using a loop. It is tolerably slow, so whatever. (Overall this problem
would have been more fun if the space to check was smaller.)
Change-Id: I1203330fe0364894cfe0318376e583868937b5bd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7603
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This solution feels very un-BQN-esque, but I could not get it to work by
doing arithmetic operations on an array of indices for any input but the
example one. It's still decently fact considering that we create so many
intermediate arrays at each step.
Change-Id: I883409b4d99d4954312df9b9a9ffc568c39f7726
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7602
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Change-Id: I1504cd5e443ff0b28c2d97ae357e5d92c88bba4d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7601
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>
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Change-Id: Ib80fe824341964f46a45599c18fa00635ba02aaf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7600
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
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Change-Id: I101f35840cb14c58af708c91e59f997f6d167f75
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7505
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
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