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refs: add function to diff RemoteRef pairs

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This commit is contained in:
Yuya Nishihara 2023-10-20 16:45:22 +09:00
parent 6450194ccd
commit 3d45540ff6
1 changed files with 16 additions and 0 deletions
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16
lib/src/refs.rs
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@ -37,6 +37,22 @@ pub fn diff_named_ref_targets<'a, 'b, K: Ord>(
.filter(|(_, (target1, target2))| target1 != target2)
}
/// Compares remote `refs1` and `refs2` pairs, yields entry if they differ.
///
/// `refs1` and `refs2` must be sorted by `K`.
pub fn diff_named_remote_refs<'a, 'b, K: Ord>(
refs1: impl IntoIterator<Item = (K, &'a RemoteRef)>,
refs2: impl IntoIterator<Item = (K, &'b RemoteRef)>,
) -> impl Iterator<Item = (K, (&'a RemoteRef, &'b RemoteRef))> {
iter_named_pairs(
refs1,
refs2,
|| RemoteRef::absent_ref(),
|| RemoteRef::absent_ref(),
)
.filter(|(_, (ref1, ref2))| ref1 != ref2)
}
/// Iterates local `refs1` and remote `refs2` pairs by name.
///
/// `refs1` and `refs2` must be sorted by `K`.