Discard unread data of git cat-file (#29297)

Fixes #29101
Related #29298

Discard all read data to prevent misinterpreting existing data. Some
discard calls were missing in error cases.

---------

Co-authored-by: yp05327 <576951401@qq.com>
(cherry picked from commit d6811baf88ca6d58b92d4dc12b1f2a292198751f)
This commit is contained in:
KN4CK3R 2024-02-22 04:48:19 +01:00 committed by Earl Warren
parent 3591d9bff9
commit 9debff3b71
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00
10 changed files with 66 additions and 80 deletions

View file

@ -151,6 +151,9 @@ func GetLastCommitForPaths(ctx context.Context, commit *Commit, treePath string,
return nil, err
}
if typ != "commit" {
if err := DiscardFull(batchReader, size+1); err != nil {
return nil, err
}
return nil, fmt.Errorf("unexpected type: %s for commit id: %s", typ, commitID)
}
c, err = CommitFromReader(commit.repo, MustIDFromString(commitID), io.LimitReader(batchReader, size))