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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 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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These need to be sorted anyways, so let's use the correct data structure for it.
Change-Id: I009c9989d7647dc1df716170f3680c981db6e4b2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7846
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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When constructing derivations inside builtins.derivationStrict, we'd
have to very frequently check whether certain outputs have already
been inserted into the derivation inputs.
Using a set type is much easier, especially as this has to be ordered
and the source data that is being inserted also comes from a set,
which might let us pass this more efficiently in the future.
Note that the validate function no longer checks the order of the
entries, as that is now guaranteed by the type.
Change-Id: I2fbb984facba3e668075f6f8df8992092368c63d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7826
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Some of the fields in a Derivation struct stay empty, and manually
creating BTreeMap or vec for it is annoying.
Derive Default instead, so we can use the defaults instead of writing
more by hand.
Change-Id: I5d41b4b55c8187cb101eb4266451a470008e0067
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7788
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Instead of concatenating STORE_DIR manually, use
StorePath::to_absolute_path() that does it for us.
Change-Id: Ia288851a05b4e339679db268f3dd7924e7b65586
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7782
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This project was not previously covered by CI (fixed in this commit),
so we didn't catch breakage due to a renamed module.
This was noticed while rebasing a CL that has a dependency on this
crate in its Nix build.
Change-Id: Ic48570b9313e5f73e14daab50cf7ea70918c94d1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7778
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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As discussed in #tvl, this is a more common term for it.
Change-Id: I9b904222b8c076f82192c9b7f0b42be171614ab7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7776
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This implement output path calculation for fixed outputs, both fixed-
output and non-fixed-output.
Change-Id: I0a77b99f2ba6b39467cc5dd589ce152a40387f9a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7761
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: jrhahn <mail.jhahn@gmail.com>
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This will return the fixed output of a derivation (and its hash), or
None if the Derivation is not fixed-output.
It will simplify the logic in the output path calculation a bit.
Change-Id: I1066cc18ee4fc419421a8c5995c93ba91b35588f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7760
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This moves all the hash compression logic into a common helper function.
Also update the docstring, which said "path" here, which could have been
confused with output paths.
Change-Id: Iedfb59aeb24f7638afac669dcd18d57b6cfaece2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7759
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This allows juggling with Derivation structs in unit tests, and makes it
very easy to compare them for equality.
Change-Id: I1faf2ec1eefb1a40fcee3c29f04ec47d29f22691
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7758
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Use the #[serde(rename = "…")] field attributes to match the field names
that Nix uses in its JSON output (nix show-derivation).
This allows us to just re-use the exact same fixtures from go-nix,
without manual post-massaging.
Change-Id: Ifd5c08e43cd4f50d5e02903eccd8cb37230b70a6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7757
Reviewed-by: jrhahn <mail.jhahn@gmail.com>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Allow others to peek into values. We should probably still restrict
this further at a later point.
Change-Id: I2831432038aa87c3c7dcc85af4fa76a4fe0eadff
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7745
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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There's now a common constant for this, so we don't need to redefine
it here.
Change-Id: I48b096f5e623e5fc5bbd355db83b674766935f94
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7753
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This adds a function to generate the derivation path. The computation
is based on the Go implementation.
Change-Id: Iae89db4976f5fd9208f0453f73688689a245cd66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7729
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This is just to clarify that the formatted result is the ATerm representation
Change-Id: I98fd0b1d2daa3cf6fdbe526ae1e0bd100ff62df3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7742
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This adds the implementation of fmt::Display for Derivation so that we can
easily store the formatted content as a string. Internally, we use the
serialization function to generate the string.
Change-Id: I6caca0d6c1bea3ca44b6c535c5b1d5d66d8413b7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7741
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This refactors the code to serialize a derivation. The original code
has beed moved to seperate crates for better code structure.
Change-Id: I3b1a6b134428fcbc9930c330bced8ec3610cfb4c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7733
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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