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use crate::Spec;
/// How to interpret a revision specification, or `revspec`.
#[derive(Default, Debug, Copy, Clone, PartialOrd, PartialEq, Ord, Eq, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub enum Kind {
/// Include commits reachable from this revision, the default when parsing revision `a` for example, i.e. `a` and its ancestors.
/// Example: `a`.
#[default]
IncludeReachable,
/// Exclude commits reachable from this revision, i.e. `a` and its ancestors. Example: `^a`.
ExcludeReachable,
/// Every commit that is reachable from `b` but not from `a`. Example: `a..b`.
RangeBetween,
/// Every commit reachable through either `a` or `b` but no commit that is reachable by both. Example: `a...b`.
ReachableToMergeBase,
/// Include every commit of all parents of `a`, but not `a` itself. Example: `a^@`.
IncludeReachableFromParents,
/// Exclude every commit of all parents of `a`, but not `a` itself. Example: `a^!`.
ExcludeReachableFromParents,
}
impl Spec {
/// Return the kind of this specification.
pub fn kind(&self) -> Kind {
match self {
Spec::Include(_) => Kind::IncludeReachable,
Spec::Exclude(_) => Kind::ExcludeReachable,
Spec::Range { .. } => Kind::RangeBetween,
Spec::Merge { .. } => Kind::ReachableToMergeBase,
Spec::IncludeOnlyParents { .. } => Kind::IncludeReachableFromParents,
Spec::ExcludeParents { .. } => Kind::ExcludeReachableFromParents,
}
}
}
mod _impls {
use std::fmt::{Display, Formatter};
use crate::Spec;
impl Display for Spec {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
Spec::Include(oid) => Display::fmt(oid, f),
Spec::Exclude(oid) => write!(f, "^{oid}"),
Spec::Range { from, to } => write!(f, "{from}..{to}"),
Spec::Merge { theirs, ours } => write!(f, "{theirs}...{ours}"),
Spec::IncludeOnlyParents(from_exclusive) => write!(f, "{from_exclusive}^@"),
Spec::ExcludeParents(oid) => write!(f, "{oid}^!"),
}
}
}
}
pub(crate) mod types {
/// A revision specification without any bindings to a repository, useful for serialization or movement over thread boundaries.
///
/// Note that all [object ids][gix_hash::ObjectId] should be a committish, but don't have to be.
/// Unless the field name contains `_exclusive`, the respective objects are included in the set.
#[derive(Copy, Clone, Debug, Ord, PartialOrd, Eq, PartialEq, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub enum Spec {
/// Include commits reachable from this revision, i.e. `a` and its ancestors.
///
/// The equivalent to [crate::spec::Kind::IncludeReachable], but with data.
Include(gix_hash::ObjectId),
/// Exclude commits reachable from this revision, i.e. `a` and its ancestors. Example: `^a`.
///
/// The equivalent to [crate::spec::Kind::ExcludeReachable], but with data.
Exclude(gix_hash::ObjectId),
/// Every commit that is reachable from `from` to `to`, but not any ancestors of `from`. Example: `from..to`.
///
/// The equivalent to [crate::spec::Kind::RangeBetween], but with data.
Range {
/// The starting point of the range, which is included in the set.
from: gix_hash::ObjectId,
/// The end point of the range, which is included in the set.
to: gix_hash::ObjectId,
},
/// Every commit reachable through either `theirs` or `ours`, but no commit that is reachable by both. Example: `theirs...ours`.
///
/// The equivalent to [crate::spec::Kind::ReachableToMergeBase], but with data.
Merge {
/// Their side of the merge, which is included in the set.
theirs: gix_hash::ObjectId,
/// Our side of the merge, which is included in the set.
ours: gix_hash::ObjectId,
},
/// Include every commit of all parents of `a`, but not `a` itself. Example: `a^@`.
///
/// The equivalent to [crate::spec::Kind::IncludeReachableFromParents], but with data.
IncludeOnlyParents(
/// Include only the parents of this object, but not the object itself.
gix_hash::ObjectId,
),
/// Exclude every commit of all parents of `a`, but not `a` itself. Example: `a^!`.
///
/// The equivalent to [crate::spec::Kind::ExcludeReachableFromParents], but with data.
ExcludeParents(
/// Exclude the parents of this object, but not the object itself.
gix_hash::ObjectId,
),
}
}
///
pub mod parse;
pub use parse::function::parse;
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