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This adds the scaffolding required for tracking the nesting level (and
appropriately skipping the correct amount of attrpath entries when
inserting nested sets).
In order for all of this to work correctly, we can no longer track
`AttrpathValue` directly in the entries vector as rnix does not allow
us to construct values of that type - so instead we have to track its
inner components.
Change-Id: Icb18e105586bf6c247c2e66c302cde5609ad9789
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6801
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This is a significant step towards correctly implemented nested
bindings. All attribute sets defined within the same binding scope
will now be merged as in Nix, if they use the same key.
Change-Id: I13e056693d5e73192280043c6dd93b47d1306ed6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6800
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: Ic5e6d1bf2625c33938360affb0d1a7c922af11bf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6799
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This sets up the required logic for finding and merging attribute sets
into nested bindings if they exist. This is absolutely not complete
yet and can, at this commit, probably cause undefined runtime
behaviour if nested attributes are specified.
The basic idea is that a new helper function on the `TrackedBindings`
struct is called with each encountered attribute and determines
whether the new entry can be merged into an existing attribute or not.
Right now the only effect this has in practice is that a new error
becomes available if somebody attempts to cause a merge into an
inherited key.
Change-Id: Id010df3605055eb1ad7fa65241055889dd21bab0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6798
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This needs to move here so that we can reuse compile_bindings for the
nested attribute sets we're about to start constructing.
Change-Id: Ie83f52f7e1d128886e96a1da47792211fa826f21
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6796
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This struct will be the key to correctly compiling nested bindings, by
having insertions flow through some logic that will attempt to bind
attribute-set-like things when encountering them.
Change-Id: I8b5b20798de60688f3b6dc4526a460ebb2079f6e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6795
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Change-Id: Iff18d0f84ba2b7a4194797e6c52c55b1c37e419c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6794
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Change-Id: I28d6af8cb408f8427a75d30b9120aaa809a1ea40
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6784
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This implementation, which only ever worked for non-recursive
attribute sets, is no longer needed and thus removed here.
We have a new implementation of these nested keys coming up instead.
Change-Id: I0c2875154026a4f5f6e0aa038e465f54444bf721
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6783
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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As of this commit, all three types of bindings scopes are compiled the
same way (i.e. compilation of non-recursive attribute sets has been
switched over to the new code paths).
This sets us up for doing the final implementation of nested attribute
sets.
HOWEVER, this breaks the existing implementation of nested attributes
in non-recursive attribute sets. That implementation is flawed and
unworkable in practice, so we need to do this dance to be able to
implement it correctly.
Change-Id: Iba2545c0d1d6b51f5e1a31a5d005b8d01da546d3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6782
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This wires up the new bindings setup logic to be able to thread
through & compile dynamic attributes in recursive attrs.
It seems like we don't actually need to retain the phasing of Nix
exactly, as we can use the phantom mechanism to declare all locals
without making the dynamic ones accessible.
Change-Id: Ic2d43dd8fd97d7ccd56d8c6adf2ff97274cd837a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6781
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Set checkMeta = false in nixpkgs config to prevent it from complaining
about our custom meta attributes.
Change-Id: I044dc6e2804eacdf8f6136698536fa1b2df79f85
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6797
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Another slice of the salami, but no functionality changes yet (other
than opening a code path that can reach a `todo!()`, but this will be
removed soon).
Change-Id: I56b4ed323f70754ed1ab27964ee3c99cf3bf3292
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6780
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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The previous way of sanitising dynamic keys is going away as we're
slowly introducing the new nested key logic.
While touching this stuff, I've also changed all the related string
types to SmolStr as that is more sensible for identifiers.
Change-Id: If30c74151508719d646d0e68e7d6f62c36f4d23f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6779
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: I6d74f71ecd671feaec96ee4ff39f218907c517fe
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6777
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Removes the `compile_inherit_attrs` logic which was only used for
BindingsKind::Attrs (i.e. non-recursive attrs).
This brings us a step closer to fully merging all the binding logic
into one block that can dispatch based on the kind of bindings (and
thus giving us a good point to introduce the final logic for nested
bindings).
Change-Id: If48d7a9497fc084a5cc03a130c2a7da5e2b8ef0c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6776
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This helper is responsible for declaring the bindings in the
compiler's scope tracking structures.
It is almost equivalent to the previous logic, but also accounts for
`BindingsKind::Attrs` - though those code paths do not end up here
yet.
Change-Id: I44f617b99b10f2a7b9675f7b23e2c803a4a93d29
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6775
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Previously, we just fetched from the pull request branch which we should
clean up.
Change-Id: I53db11066056ca6c6ef5c2da68d9833372ae5dfe
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6793
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Upstream nixpkgs removed a lot of aliases this time, so we needed to do
the following transformations. It's a real shame that aliases only
really become discoverable easily when they are removed.
* runCommandNoCC -> runCommand
* gmailieer -> lieer
We also need to work around the fact that home-manager hasn't catched
on to this rename.
* mysql -> mariadb
* pkgconfig -> pkg-config
This also affects our Nix fork which needs to be bumped.
* prometheus_client -> prometheus-client
* rxvt_unicode -> rxvt-unicode-unwrapped
* nix-review -> nixpkgs-review
* oauth2_proxy -> oauth2-proxy
Additionally, some Go-related builders decided to drop support for
passing the sha256 hash in directly, so we need to use the generic hash
arguments.
Change-Id: I84aaa225ef18962937f8616a9ff064822f0d5dc3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6792
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: wpcarro <wpcarro@gmail.com>
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This is responsible for actually setting up `TrackedBinding`s on the
stack, i.e. in some sense "actually compiling" values in bindings.
There is no functionality change to before, i.e. this is a salami
slice.
Change-Id: Idb0312038e004470a7d130c020ae0fe87c55c218
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6774
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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Splits the large `compile_inherits` function which
previously *compiled* plain inherits and *declared* namespaced
inherits into `compile_plain_inherits` and
`declare_namespaced_inherits`.
This is supposed to make more sense than before, but is still not
consistently used (notably, non-recursive attribute sets still
duplicate most of this logic).
Another salami slice.
Change-Id: Id97fac1cbd5ee97b24d047e7728655e6b7734153
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6773
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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... but do not use it yet.
This refactoring is pretty complicated, so I'm applying salami-slicing
tactics here.
Change-Id: I66e04ee10548f68bf67dc842f3f14cc279426c22
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6772
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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As part of the unification of binding logic between different carriers
of bindings, we need to track which kind of bindings we are dealing
with (attribute set? recursive scope? ...) to correctly emit keys and
declare identifiers in the locals stack.
Right now this changes no functionality as `BindingsKind::Attrs` is
not yet used (only RecAttrs and LetIn, which was previously
represented by the `rec_attrs` boolean).
Change-Id: Id2ac27894079ab584521cb568d75c124f7bf2403
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6771
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This helper will gain the ability to compile both kinds of inherits,
but it is kind of tricky to get right so I am doing it in smaller
steps. Right now there is no change in functionality.
Change-Id: Ie990b88dd90a5e0f9fd79961ee09a6c83f2c872d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6770
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This just describes a binding, and we do need a good name for the kind
of binding*s*, which is going to be introduced soon.
Change-Id: I53900ee52da8a07dae8b918fa6a4cb308e627efb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6768
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: I08f40b4b53652a519e76d6e8344c7c3fe10a0689
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6767
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Changes the module structure of the compiler to have a module
dedicated to the logic of setting up bindings. This logic is in the
process of being merged between attribute sets and `let`-expressions,
and the structure of the modules makes more sense when ecapsulating
that specifically.
(Other bits of code related to e.g. attribute sets are pretty
straightforward and can just live in the main compiler module).
Change-Id: I9469b73a7034e5b5f3bb211694d97260c4c9ef54
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6766
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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...in addition to flycheck-prev-error? I'm not sure if that one also
still exists or if it was just renamed.
Change-Id: Ibac4965549eeb24fe8e29de42b7d706375ae2aef
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6791
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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not just a right shift key on the left hand keyboard
Change-Id: I3c37ca875cdfb0734a6befdce8aff42891f8d3ed
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6790
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: I76be175462743253c07c5e56165ea7a3d3155e2f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6789
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: Iec2b3a2e2feeb5628badfdd97f9eac964d127e3b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6788
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Change-Id: Ib1cff5421711547f91fcc6c477295cf92e26b719
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6787
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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Adds support for parsing multiple netencode values from stdin.
This is overly complicated for my tastes, but I don’t see a better way
of writing this logic that does not read all of stdin before starting
to parse the first value.
A kingdom for a conduit.
Change-Id: Ia4f849d4096c43e887756b756d2a85d7f9cd380a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6631
Autosubmit: Profpatsch <mail@profpatsch.de>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI
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It was overriding the overrides in haskellPackages, which we didn’t
notice because there is no overrides in the hasell overlay atm.
I also removed the `with` blocks and inlined `overrides`.
Change-Id: Ide72109dbd2568b6cb2435b15024cf1523bec1fe
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6785
Autosubmit: Profpatsch <mail@profpatsch.de>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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This was added in preparation for some builtins that don't exist yet
and is producing some noise during compilation.
Change-Id: I51fb0d14c3edf0bd6d9a288d50e44dacf35166c6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6769
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This is a little ugly because the plain Iterator::filter method can
not be used (it does not support fallible primitives), so we need to
resort to an `Iterator::filter_map` and deal with the wrapping in
Options everywhere.
This prevents use of `?` which introduces the need for some matching,
but it's not *too* bad.
Change-Id: Ie2c3c0c9756c4c627176f64fb4e0054e717c26d1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6765
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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The previous version had a bug where we assumed that the number of
entries in an attribute set AST node would be equivalent to the number
of entries in the runtime attribute set, but due to inherit nodes
containing a variable number of entries, this did not work out.
Fixes b/199
Change-Id: I6f7f7729f3512b297cf29a2e046302ca28477854
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6749
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Fairly straightforward, only thing of note is that we coerce (weakly) to
string here as well.
Change-Id: I03b427e657e402f1f9eb0f795b689bbf5092aba1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6745
Tested-by: BuildkiteCI
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
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The simplest solution seems to be to pass references to arithmetic_op!()
which avoids the moving annoyance we had to deal with in the
builtins (no more popping!). We then use .force() to force the values
and dereference any Thunks (which arithmetic_op! doesn't do for us).
Change-Id: I0eb8ad60e80a0b3ba9d9f411e973ef8bcf136989
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6724
Tested-by: BuildkiteCI
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
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Because `inherit` can take string identifiers, we can access
arbitrarily weird identifiers in scopes using it.
Change-Id: Ic868233221befa160538dd2ffaff1cc7f566585a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6748
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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This updates rnix-parser to a version where inherits provide an
iterator over `ast::Attr` instead of `ast::Ident`, which mirrors the
behaviour of Nix (inherits can have (statically known) strings as
their identifiers).
This actually required some fairly significant code reshuffling in the
compiler, as there was an implicit assumption in many places that we
would have an `ast::Ident` node available when dealing with variable
access (which is then explicitly only not true in this case).
Change-Id: I12f1e786c0030c85107b1aa409bd49adb5465546
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6747
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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We delegate to Rust std's Ord trait, so we should at least do a sanity
check here.
Change-Id: I9596068f8ab3e51b79602de0bac79af6d558086e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6723
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Change-Id: I4bf85e65ceb2ed405290e3a2df2e5e4dabef1e80
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6746
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Extend and export the `cmp_op`, and this becomes trivial.
Change-Id: I9c93fa4db0f5a1fc8b56928ea144676f79247de1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6557
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Sketch out a new set of "impure" builtins, which supplement the existing
set of "pure" builtins but are gated behind a feature flag, which allows
them to be omitted by crates depending on tvix-eval that only want pure
evaluation, such as tvixbolt.
Change-Id: I2736017b5c9b4776bbba8758e108ec84887abd66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6655
Reviewed-by: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
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This was derived from
else if (c1 == "" && n2) return true; // true implies c1 < n2
However, this has no effect since Word always looses out against Number
anyways and the `pre` rules are also unaffected by this change – since
this only affects comparison of an empty Word part with a Number.
Change-Id: Ia04e42ac726352b688c87674b0fdb355f06edbcb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6722
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This asserts the not-quite lexicographical property of the comparison.
Change-Id: Iad68081e4b3a7106513f479643de87065dc47739
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6721
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Change-Id: I25e7e7a2c547d0874e1e949bf96e6e066b1075ed
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6705
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This is necessary because builtins.compareVersions compares versions in
a subtly not-quite-but-still-lexicographical way: `pre` for example can
have an effect if it is post-fixed: `2.3 < 2.3pre`. This is a violation
of the rule that in a lexicographical ordering, the longer string is
considered greater if they are otherwise equal. builtins.compareVersion
is comparing lexicographically though, if you do the following
transformation beforehand:
2.3 --split--> [ "2" "3" ] --append--> [ "2" "3" "" ]
2.3pre --split--> [ "2" "3" "pre" ] --append--> [ "2" "3" "pre" "" ]
Comparing the transformed version is then done lexicographically:
2.3 < 2.3.0pre since [ "2" "3" "" ] < [ "2" "3" "0" "pre" ]
Here, the `pre` rule never comes into effect because no comparison on it
happens, instead we use the longer string rule of a lexicographical
comparison.
In the C++ codebase, the reason for this behavior is that the
iterator-esque construct they use always yields the empty string before
it exposes it has been fully consumed. This is probably intentional to
support the postfixed `pre` which is, for example, used by NixOS
versions (e.g. unstable post 22.05 is 22.11-pre). We replicate this
behavior using the `Chain` iterator in `VersionPartsIter::new_for_cmp`.
Change-Id: I021c69aa27b0b7deb949dffe50ed18b6de3a7b1f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6720
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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This is based on the [relevant code] in C++ Nix. Our version has more
branches because the C++ one only checks if it is less than or not, so
can save handling a few cases. We on the other hand, can avoid calling
the algorithm twice. It'd be nice to implement proptests for this in the
future and to make sure that this weird little algorithm doesn't violate
the Ord laws.
[relevant code]: https://github.com/NixOS/nix/blob/cd35bbbeef72375873e396b9ffed14a4638693a8/src/libstore/names.cc#L81-L94
Change-Id: I46642e6da5eac7c0883cdce860622cdba04cd12b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6719
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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