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DisplaySource

Struct DisplaySource 

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pub struct DisplaySource<'a, S: ObjectSource + ?Sized> { /* private fields */ }
Expand description

Adapter that makes any ObjectSource read without BLAKE3 verification, for display-only rendering (diff, show, and the commit/merge/pull post-op summaries). Wrap the source once at the render call site — DisplaySource::new(&store) — and pass the wrapper wherever a generic S: ObjectSource render function expects its source. Every existing render function (render_stat, emit_entry_patch, LoadedBlob::load/prefix/into_content) works unchanged: the verify/no-verify policy lives entirely in which source gets passed in, never in a flag threaded through render code.

§When to use

mkit never feeds unverified bytes into state that mkit itself writes, or into output that mkit’s own tooling round-trips (format-patch → git am) — a diffstat or patch preview that only a human reads and discards is neither, so it’s fair game. NEVER wrap a source feeding publication (commit/merge/rebase tree writes), dedup, fetch/apply, or any path whose output becomes durable state or gets applied elsewhere (e.g. the format-patch body in git_tools.rs, which is deliberately NOT wrapped because git am applies it into new commits). See ObjectStore::read_unverified for the full policy this wrapper exists to apply consistently (#625).

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impl<'a, S: ObjectSource + ?Sized> DisplaySource<'a, S>

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pub fn new(inner: &'a S) -> Self

Wrap inner so reads through this adapter skip verification.

Trait Implementations§

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impl<S: ObjectSource + ?Sized> Debug for DisplaySource<'_, S>

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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<S: ObjectSource + ?Sized> ObjectSource for DisplaySource<'_, S>

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fn read(&self, h: &Hash) -> StoreResult<Vec<u8>>

Read and integrity-verify the raw bytes of h. Read more
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fn read_object(&self, h: &Hash) -> StoreResult<Object>

Read and decode h into a typed Object. Read more
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fn read_unverified(&self, h: &Hash) -> StoreResult<Vec<u8>>

Read h without integrity verification, for display-only rendering — see ObjectStore::read_unverified for the full policy (#625). Defaults to the fully-verifying Self::read, so every existing and third-party ObjectSource stays verifying unless it explicitly opts in by overriding this method. Read more

Auto Trait Implementations§

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impl<'a, S> Freeze for DisplaySource<'a, S>
where S: ?Sized,

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impl<'a, S> RefUnwindSafe for DisplaySource<'a, S>
where S: RefUnwindSafe + ?Sized,

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impl<'a, S> Send for DisplaySource<'a, S>
where S: Sync + ?Sized,

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impl<'a, S> Sync for DisplaySource<'a, S>
where S: Sync + ?Sized,

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impl<'a, S> Unpin for DisplaySource<'a, S>
where S: ?Sized,

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impl<'a, S> UnsafeUnpin for DisplaySource<'a, S>
where S: ?Sized,

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impl<'a, S> UnwindSafe for DisplaySource<'a, S>
where S: RefUnwindSafe + ?Sized,

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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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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<A, B, T> HttpServerConnExec<A, B> for T
where B: Body,

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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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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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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where T: ?Sized,

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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where S: Into<Dispatch>,

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