rattler::install

Enum TransactionOperation

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pub enum TransactionOperation<Old, New> {
    Install(New),
    Change {
        old: Old,
        new: New,
    },
    Reinstall {
        old: Old,
        new: New,
    },
    Remove(Old),
}
Expand description

Describes an operation to perform

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Install(New)

The given package record should be installed

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Change

Remove an old package and install another

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§old: Old

The old record to remove

§new: New

The new record to install

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Reinstall

Reinstall a package. This can happen if the Python version changed in the environment, we need to relink all noarch python packages in that case. Includes old and new because certain fields like the channel/url may have changed between installations

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§old: Old

The old record to remove

§new: New

The new record to install

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Remove(Old)

Completely remove a package

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impl<Old: Clone, New: Clone> TransactionOperation<&Old, &New>

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pub fn to_owned(self) -> TransactionOperation<Old, New>

Own records.

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impl<Old, New> TransactionOperation<Old, New>

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pub fn record_to_install(&self) -> Option<&New>

Returns the record of the package to install for this operation. If this operation does not refer to an installable package, None is returned.

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impl<Old, New> TransactionOperation<Old, New>

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pub fn record_to_remove(&self) -> Option<&Old>

Returns the record of the package to remove for this operation. If this operation does not refer to an removable package, None is returned.

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impl<Old: Clone, New: Clone> Clone for TransactionOperation<Old, New>

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fn clone(&self) -> TransactionOperation<Old, New>

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<Old: Debug, New: Debug> Debug for TransactionOperation<Old, New>

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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<Old: PartialEq, New: PartialEq> PartialEq for TransactionOperation<Old, New>

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fn eq(&self, other: &TransactionOperation<Old, New>) -> 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<Old: Eq, New: Eq> Eq for TransactionOperation<Old, New>

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impl<Old, New> StructuralPartialEq for TransactionOperation<Old, New>

Auto Trait Implementations§

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impl<Old, New> Freeze for TransactionOperation<Old, New>
where New: Freeze, Old: Freeze,

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impl<Old, New> RefUnwindSafe for TransactionOperation<Old, New>
where New: RefUnwindSafe, Old: RefUnwindSafe,

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impl<Old, New> Send for TransactionOperation<Old, New>
where New: Send, Old: Send,

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impl<Old, New> Sync for TransactionOperation<Old, New>
where New: Sync, Old: Sync,

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impl<Old, New> Unpin for TransactionOperation<Old, New>
where New: Unpin, Old: Unpin,

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impl<Old, New> UnwindSafe for TransactionOperation<Old, New>
where New: UnwindSafe, Old: UnwindSafe,

Blanket 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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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<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

Checks if this value is equivalent to the given key. Read more
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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> 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<Unshared, Shared> IntoShared<Shared> for Unshared
where Shared: FromUnshared<Unshared>,

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fn into_shared(self) -> Shared

Creates a shared type from an unshared type.
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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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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: 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: 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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more