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#ifndef GITFS_GIT_H
#define GITFS_GIT_H
#include <git2.h>
#include <memory>
#include <ostream>
namespace GitFS::Git {
template<typename E>[[noreturn]] void throwError(int err);
template<typename E, typename... P, typename... A>
void
gitSafe(int (*func)(P...), A... p)
{
if (int _giterror = func(p...)) {
throwError<E>(_giterror);
}
}
template<typename T> using TPtr = std::shared_ptr<T>;
template<typename E, typename R, typename... P, typename... A>
auto
gitSafeGet(int (*get)(R **, P...), void (*release)(R *), A... p)
{
R * r = nullptr;
gitSafe<E>(get, &r, p...);
return TPtr<R>(r, release);
}
git_oid OidParse(const std::string_view & str);
using RepositoryPtr = TPtr<git_repository>;
RepositoryPtr RepositoryOpenBare(const std::string & path);
using BlobPtr = TPtr<const git_blob>;
BlobPtr BlobLookup(const RepositoryPtr & repo, const git_oid & blob);
using CommitPtr = TPtr<const git_commit>;
CommitPtr CommitLookup(const RepositoryPtr & repo, const git_oid & commitId);
using TreePtr = TPtr<const git_tree>;
TreePtr TreeLookup(const RepositoryPtr & repo, const git_oid & treeId);
using TreeEntryPtr = TPtr<const git_tree_entry>;
TreeEntryPtr TreeEntryByPath(const TreePtr & tree, const std::string & path);
using RefPtr = TPtr<const git_reference>;
RefPtr Commitish(const RepositoryPtr & repo, const std::string & name);
RefPtr Resolve(const RefPtr &);
}
namespace NetFS {
struct Attr;
Attr & operator<<(Attr &, const git_tree_entry &);
Attr & operator<<(Attr &, const git_commit &);
Attr & operator<<(Attr &, const git_blob &);
}
namespace std {
std::ostream & operator<<(std::ostream &, const git_oid &);
}
#endif
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