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//go:build static && system_libgit2
package main
import (
"fmt"
git "github.com/libgit2/git2go/v34"
"gitlab.com/gitlab-org/gitaly/v16/internal/git2go"
)
func lookupCommit(repo *git.Repository, ref string) (*git.Commit, error) {
object, err := repo.RevparseSingle(ref)
switch {
case git.IsErrorCode(err, git.ErrorCodeNotFound):
return nil, git2go.CommitNotFoundError{Revision: ref}
case err != nil:
return nil, fmt.Errorf("lookup commit %q: %w", ref, err)
}
peeled, err := object.Peel(git.ObjectCommit)
if err != nil {
return nil, fmt.Errorf("lookup commit %q: peel: %w", ref, err)
}
commit, err := peeled.AsCommit()
if err != nil {
return nil, fmt.Errorf("lookup commit %q: as commit: %w", ref, err)
}
return commit, nil
}
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