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#include "dir.h"
#include "git.h"
#include "repo.h"
#include <Ice/Current.h>
#include <Ice/ObjectAdapter.h>
#include <cerrno>
#include <exceptions.h>
#include <git2.h>
#include <memory>
#include <string>
#include <sys/stat.h>
#include <types.h>
#include <utility>
GitFS::Directory::Directory(Repo * const repo, std::string path) :
repo(repo), path(std::move(path)), subTreeCacheRootId({})
{
getSubtree();
}
GitFS::Git::TreePtr
GitFS::Directory::getSubtree() const
{
repo->update();
if (!git_oid_equal(&subTreeCacheRootId, git_tree_id(repo->tree.get()))) {
if (path == "/") {
subTreeCache = repo->tree;
}
else {
auto entry = Git::treeEntryByPath(repo->tree, path);
if (!S_ISDIR(git_tree_entry_filemode(entry.get()))) {
throw NetFS::SystemError(ENOTDIR);
}
subTreeCache = Git::treeLookup(repo->repo, *git_tree_entry_id(entry.get()));
}
subTreeCacheRootId = *git_tree_id(repo->tree.get());
}
return subTreeCache;
}
void
GitFS::Directory::close(const ::Ice::Current & ice)
{
ice.adapter->remove(ice.id);
}
NetFS::NameList
GitFS::Directory::readdir(const ::Ice::Current &)
{
const auto subTree = getSubtree();
NetFS::NameList list;
auto idx = git_tree_entrycount(subTree.get());
list.reserve(idx);
while (idx--) {
const auto entry = git_tree_entry_byindex(subTree.get(), idx);
list.emplace_back(git_tree_entry_name(entry));
}
return list;
}
NetFS::DirectoryContents
GitFS::Directory::listdir(const ::Ice::Current &)
{
const auto subTree = getSubtree();
NetFS::DirectoryContents list;
for (auto idx = git_tree_entrycount(subTree.get()); idx--;) {
const auto entry = git_tree_entry_byindex(subTree.get(), idx);
NetFS::Attr attr {};
attr << *entry << *repo->commit;
if (S_ISREG(git_tree_entry_filemode(entry))) {
auto blob = Git::blobLookup(repo->repo, *git_tree_entry_id(entry));
attr << *blob;
}
attr.gid = repo->gid;
attr.uid = repo->uid;
list.emplace(git_tree_entry_name(entry), std::move(attr));
}
return list;
}
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