alice.pds.demo.boltless.dev
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1use std::collections::BTreeMap;
2
3use knot_git::{Filter, GitError, Haves, PackBudget, Repo, Wants};
4
5use crate::pointer::{POINTER_MAX_BYTES, parse_pointer};
6use crate::{ClaimedSize, LfsOid};
7
8pub fn scan_pointers(
9 repo: &Repo,
10 wants: Wants<'_>,
11 haves: Haves<'_>,
12) -> Result<BTreeMap<LfsOid, ClaimedSize>, GitError> {
13 let selection = repo.select_pack_objects_filtered(
14 wants,
15 haves,
16 Filter::BlobLimit(POINTER_MAX_BYTES + 1),
17 PackBudget::unbounded(),
18 )?;
19 selection
20 .send
21 .iter()
22 .filter_map(|oid| match repo.blob_size(*oid) {
23 Ok(_) => Some(repo.read_blob(*oid)),
24 Err(GitError::ObjectType { .. }) => None,
25 Err(fault) => Some(Err(fault)),
26 })
27 .filter_map(|blob| match blob {
28 Ok(bytes) => parse_pointer(&bytes).map(|pointer| Ok((pointer.oid, pointer.size))),
29 Err(fault) => Some(Err(fault)),
30 })
31 .collect()
32}