pub enum BuildConstraints {
    System(String),
    MinMemory(u64),
    AvailableReadOnlyPath(PathBuf),
    NetworkAccess,
    ProvideBinSh,
}
Expand description

BuildConstraints represents certain conditions that must be fulfilled inside the build environment to be able to build this. Constraints can be things like required architecture and minimum amount of memory. The required input paths are not represented in here, because it wouldn’t be hermetic enough - see the comment around inputs too.

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System(String)

The system that’s needed to execute the build. Must not be empty.

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MinMemory(u64)

The amount of memory required to be available for the build, in bytes.

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AvailableReadOnlyPath(PathBuf)

An absolute path that need to be available in the build environment, like /dev/kvm. This is distinct from the castore nodes in inputs. These MUST be clean absolute paths, without any “.”, “..”, or superfluous slashes, and sorted.

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NetworkAccess

Whether the build should be able to access the network.

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ProvideBinSh

Whether to provide a /bin/sh inside the build environment, usually a static bash.

Trait Implementations§

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impl Clone for BuildConstraints

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fn clone(&self) -> BuildConstraints

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BuildConstraints

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Hash for BuildConstraints

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for BuildConstraints

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fn eq(&self, other: &BuildConstraints) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for BuildConstraints

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impl StructuralPartialEq for BuildConstraints

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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Mutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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Dereferences the given pointer. Read more
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