Age | Commit message (Collapse) | Author | Files | Lines |
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Instead of being called with `md5`, `sha1`, `sha256` or `sha512`,
`fetchurl.nix` (from corepkgs / `<nix`) can also be called with a `hash`
attribute, being an SRI hash.
In that case, `builtin.derivation` is called with `outputHashAlgo` being
an empty string, and `outputHash` being an SRI hash string.
In other cases, an SRI hash is passed as outputHash, but outputHashAlgo
is set too.
Nix does modify these values in (single, fixed) output specification it
serializes to ATerm, but keeps it unharmed in `env`.
Move this into a construct_output_hash helper function, that can be
tested better in isolation.
Change-Id: Id9d716a119664c44ea7747540399966752e20187
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7933
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Allows easier to use these errors in test cases.
Change-Id: I8abee3b522909ed4aa4b066499cc48eececbc036
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7937
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This adds an implementation of this builtin which correctly calculates
paths, but does not actually write anything to the store or verify
references.
Change-Id: Ie9764cbc1d13a73d8dc9350910304e2b7cad3fe8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7910
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This uses the actual upstream Nix code for
`builtins.derivation` (which is not a primop in C++ Nix) to implement
`builtins.derivation` as a wrapper around `builtins.derivationStrict`.
We're doing it this way to ensure that our thunking logic is correct.
An initial Rust-native rewrite (see e.g. cl/7363) is pretty difficult
to debug while there are still other issues to root out, but
eventually we might want to turn this into native code.
Change-Id: I5845e18073e103b8670e40648bd7fd9b511058e0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7902
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Implements the logic for converting an evaluator value supplied as
arguments to builtins.derivationStrict into an actual,
fully-functional derivation struct.
This skips the implementation of structuredAttrs, which are left for a
subsequent commit.
Note: We will need to port some eval tests over to CLI to test this
correct, which will be done in a separate commit later on.
Change-Id: I0db69dcf12716180de0eb0b126e3da4683712966
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7756
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Adds a helper function which handles special parameters to
`builtins.derivation` that are not just blindly passed through to the
builder environment, but populate other specific fields of the
derivation (outside of the ones handled by other, more complex helpers
from previous commits).
Change-Id: I82d1edf9af714fc4591e9071c0b83ece83be7eee
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7901
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This threads through the fields that control whether a derivation is a
fixed-output derivation or not.
Change-Id: I49739de178fed9f258291174ca1a2c15a7cf5c2a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7900
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This adds a helper function which takes the output of the reference
scanner used on derivation inputs and populates the `input_sources`
and `input_derivations` field of the derivation accordingly.
Note that we have a divergence from C++ Nix here, as we do not
populate the entire FS closure of a literally referred derivation (and
our standing theory is that this is unnecessary for nixpkgs).
Change-Id: Id0f605dd8c0a82973c56605c2b8f478fc17777d6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7899
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Adds a small helper function which uses a Nix value supplied to
`builtins.derivation{Strict}` to populate the `outputs` field of the
`Derivation` struct.
Change-Id: Iccc7a4f293b3d913140aed576a573a8992241e46
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7898
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Change-Id: Icedb7f272e5067569b8dbf1c2d8b0fdd352b8e12
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7936
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: flokli <flokli@flokli.de>
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Change-Id: I9ccd4c043bdddefee98a2c0b3d6eb7d9cb53c454
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7935
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
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We only stripped one of the two uses of this string, leading to
extraneous newlines in the refscanner.
Change-Id: I25d9119be082c487352f0cf66b97ecdcc3e1de06
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7932
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Main one is the its-it's mistake in the last paragraph, the rest was
suggested by LanguageTool.
Change-Id: If1b87a11f480452f312fc2759be7ded782d0a522
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7930
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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While it is in the given example, i.e. for integer addition, to claim
that they are equivalent is a bit misleading: builtins.add is less
overloaded than +, i.e. builtins.add "foo" "bar" will fail whereas
"foo" + "bar" performs string concatenation.
Change-Id: Ib52d530d1ab289b367565b286f06a76dd518d4fb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7929
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Change-Id: If6c478ee3d2e4ecf5ef92289614f86535ad05cb7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7927
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
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This keeps the actual TotalDisplay implementation readable, as this
float formatting code suddenly made up the majority of its implementation.
Change-Id: I2c0d00e4a691e0b8ffbc72680f680e16feef4bee
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7925
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This allows parsing TOML from Tvix. We can enable the eval-okay-fromTOML
testcase from nix_tests. It uses the `toml` crate, and the serde
integration it brings with it.
Change-Id: Ic6f95aacf2aeb890116629b409752deac49dd655
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7920
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Apparently our naive implementation of float formatting, which simply
used {:.5}, and trimmed trailing "0" strings not sufficient.
It wrongly trimmed numbers with zeroes but no decimal point, like
`10000` got trimmed to `1`.
Nix uses `std::to_string` on the double, which according to
https://en.cppreference.com/w/cpp/string/basic_string/to_string
is equivalent to `std::sprintf(buf, "%f", value)`.
https://en.cppreference.com/w/cpp/io/c/fprintf mentions this is treated
like this:
> Precision specifies the exact number of digits to appear after
> the decimal point character. The default precision is 6. In the
> alternative implementation decimal point character is written even if
> no digits follow it. For infinity and not-a-number conversion style
> see notes.
This doesn't seem to be the case though, and Nix uses scientific
notation in some cases.
There's a whole bunch of strategies to determine which is a more compact
notation, and which notation should be used for a given number.
https://github.com/rust-lang/rust/issues/24556 provides some pointers
into various rabbit holes for those interested.
This gist seems to be that currently a different formatting is not
exposed in rust directly, at least not for public consumption.
There is the
[lexical-core](https://github.com/Alexhuszagh/rust-lexical) crate
though, which provides a way to format floats with various strategies
and formats.
Change our implementation of `TotalDisplay` for the `Value::Float` case
to use that. We still need to do some post-processing, because Nix
always adds the sign in scientific notation (and there's no way to
configure lexical-core to do that), and lexical-core in some cases keeps
the trailing zeros.
Even with all that in place, there as a difference in `eval-okay-
fromjson.nix` (from tvix-tests), which I couldn't get to work. I updated
the fixture to a less problematic number.
With this, the testsuite passes again, and does for the upcoming CL
introducing builtins.fromTOML, and enabling the nix testsuite bits for
it, too.
Change-Id: Ie6fba5619e1d9fd7ce669a51594658b029057acc
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7922
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
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Two main reasons:
1. Traversing the structure to do this optimisation is
actually *slower* than not optimising it.
2. There are literally hundreds of thousands of incidences of this in
nixpkgs, and with some of the weird code there some of
these (functionally) useless parens are actually required for
readability reasons.
Change-Id: I1044b1c5f9fe20df4b6085851fc3b191277c65dc
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7917
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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call_value in the VM expects the callable to be forced when calling
it, which was not the case for functors.
Change-Id: Id55a2fe32a9573be42aef8669e268df519a989cd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7909
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This makes it easier to pass owned strings if that's what we have.
Change-Id: Ia7351ff2681292d16534ec50fe60b926b683bb9a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7908
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This is used in few enough places to just inline it. It felt a bit alien
in the ATerm construction aswell.
write.rs now pleasantly only includes tokens that occur in the ATerm
representation.
Change-Id: I524f8d6c1ce9057ff7fd16c6c3efd98467040a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7911
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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All of these occurences are actually sha256 digests of some fingerprint
- which means there's not a lot of need to do the hashing outside.
Instead of passing in a digest, keep the sha256 hasher in the function,
and pass in a fingerprint.
This makes it much easier to construct fingerprints using format!() in
all consumers, because we need don't need to juggle with the hasher
anymore.
Change-Id: I2dc3af2cab6cf06f55ae6cbd9a8be95faf2a07b6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7907
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This allows the calculation of a store path for a plain string that
potentially contains references. These paths are used for
`builtins.toFile` (and potentially other features of C++ Nix).
Change-Id: Ic507c7f264f362b5e6e628255869e5a4fbe4d788
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7906
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Fixes some module comments and embeds the `compress_hash` function in
the `derivation` module, as it was not used outside of this module
anyways.
Change-Id: I6c5c92b3f0c03c2cdcbcfc2f813909a968c4d44c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7905
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This makes it possible to inject builtins into the builtin set that
are written in Nix code, and which at runtime are represented by a
thunk that will compile them the first time they are used.
Change-Id: Ia632367328f66fb2f26cb64ae464f8f3dc9c6d30
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7891
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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These don't apply anymore since the "antidote-CL".
Change-Id: I40ee73ef43d44bbfc650a8fe6c2b33263dd06959
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7890
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This is used for content-defined chunking.
Change-Id: I10345372cecb9a643cc51ca45aa5b77d2a05198a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7889
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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I omitted the link to the commit history. Most people see this README
through some git interface anyways, so it felt a bit redundant.
Change-Id: I92cf6d08b83ef680fe37df29d3d546cad020955a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7888
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
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While moving the CLI out of the evaluator, we forgot to update the
README in //tvix/eval. Move this up to //tvix, so people know where
to start.
Keep the instructions on how to build only `//tvix/eval` in `//tvix/
eval/README.md`.
Change-Id: Ie2755e8b5a0056225dbf3a0ee040f70f7f6a1f27
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7887
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This calls out to Directory::validate() for all received Directory
messages, and also makes sure the sizes we refer a Directory message as
matches the sizes that have been calculated.
Change-Id: I316f9191d5872ee4ba6d78b9a4326f069b22fa63
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7882
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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We can omit sending Directory messages to clients that have already been
sent in the same stream.
We can also omit storing a Directory message if we already have it -
they're content-addressed anyways.
Change-Id: Iba44565e07157a83a033177a2ffbdddced64ba5c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7881
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I8e97a59da2c6623f4cca746efa741097a6dbe5b1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7871
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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The codebase contains a lot of complexity and odd roundabout
handling for shadowing globals. I'm pretty sure none of this is
necessary, and all of it disappears if you simply make the globals
part of the ordinary identifier resolution chain, with their own
scope up above the root scope. Then the ordinary shadowing routines
do the right thing, and no special cases or new terminology are
required.
This commit does that.
Note by tazjin: This commit was originally abandoned when Adam decided
not to take away reviewer bandwidth for this at the time (eval was
still in a much earlier stage). As we've recently done some
significant refactoring of globals initialisation this came up again,
and it seems we can easily cover the use-cases of the poison tracking
in other ways now, so I've rebased, updated and resurrected the CL.
Co-Authored-By: Vincent Ambo <tazjin@tvl.su>
Signed-off-by: Adam Joseph <adam@westernsemico.com>
Change-Id: Ib3309a47a7b31fa5bf10466bade0d876b76ae462
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7089
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Upstream seems to be dead, so we're using https://github.com/tyrchen/
tonic-mock/pull/3 here.
According to https://github.com/tyrchen/tonic-mock/pull/1#issuecomment-
1241164173, we might not need this crate at all, but for now, it gets
the job done and is less code to write in the tests.
Change-Id: Ia77fa19b998a5bbabd0311cc714b85a2ee30f36a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7869
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Import more things, and use expect_err to unpack the response.
Change-Id: Ia319dd4d126b8d0e1df585234710d825a33a0002
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7868
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This forces users to pass the fully constructed set of globals to the
VM, making it harder to accidentally "lose" the set while weak
references to it still exist.
This doesn't modify any functionality, but is laying the foundation
for simplifying some of the builtins behaviour that has grown more
complex again.
Change-Id: I5120f97861c65dc46d90b8a4e2c92ad32cc53e03
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7877
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Change-Id: Ia4857c217de15aec8b61e1abd39e22c50e2d816a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7876
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
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These will be threaded through to eval through the new `TvixError`
variant.
Change-Id: Ia0d3f8710dcf26bb95015cd2a6a2b2911f06343f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7842
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This adds a feature to the `#[builtins]` macro which lets users
specify an additional state type to (optionally) thread through to
builtins when constructing them.
This makes it possible for builtins-macro users to pass external state
handles (specifically, in our case, known path tracking) into a set of
builtins.
Change-Id: I3ade20d333fc3ba90a80822cdfa5f87a9cfada75
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7840
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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All invocations of the builtin macro had to previously filter through
the `builtin_tuple` function, but it's more sensible to directly
return these from the macro.
Change-Id: I45600ba84d56c9528d3e92570461c319eea595ce
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7825
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This makes it possible for users to add additional context to an
error, which will then be rendered as an additional secondary span in
the formatted error output.
We should strive to do this basically anywhere errors are raised that
can occur multiple times, *especially* during type casts. This was
triggered by me debugging a type cast error attached to a fairly
large-ish span (a builtin invocation).
Change-Id: I51be41fabee00cf04de973935daf34fe6424e76f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7849
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Change-Id: Idebad60c3bf9daf94d04a36bb73ac0dd767f9e79
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7856
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This allows calling validate() on a derivation that doesn't have its
output paths already calculated yet. It allows offloading some of the
error checking in builtins.derivation* to be offloaded to that function.
Change-Id: Ib4aeadc0eb6583ef8cd765f33e9a9ec32be62729
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7848
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This uses the exposed StorePath::validate_name method to check for other
invalid output names (for which it would not be possible to construct a
store path of).
Change-Id: Ia3f65e19a07ef164f9f64013a5f37cbac99eb8e0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7855
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I8b36c85fe11e4fb62e5d28f6900cd80d89a5cc41
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7854
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I8a16c214c7c644756d9d54187beba8c80ccfb39c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7853
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I7dbd3b8ff9ef92acddde2e579fb24b8311c34d8f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7852
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This is now used in more than just validate().
Change-Id: I69c3ad6cb5f3ad60a636fe2ea05d432aebe8e53b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7851
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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`drv` is an invalid output name too, as this would cause a
`builtins.derivation` call to return an attrset with a `drvPath` key
(which already exists) and has a different meaning.
Also handle errors during store path construction, and return our own
error type, instead of the ParseStorePathError.
Change-Id: Ib7952dde1d5cf18a0e210928df7c57b5939b7678
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7850
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
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