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#ifndef GITFS_GIT_H
#define GITFS_GIT_H
#include <git2.h>
#include <memory>
#include <ostream>
#include <string>
#include <string_view>
namespace GitFS::Git {
template<typename E> [[noreturn]] void throwError(int err);
template<typename E, typename... P, typename... A>
void
gitSafe(int (*func)(P...), A... params)
{
if (int giterror = func(params...)) {
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... params)
{
R * rtn = nullptr;
gitSafe<E>(get, &rtn, params...);
return TPtr<R>(rtn, release);
}
git_oid oidParse(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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