// ReadTree is/must only be executed on an empty list
int CGitHeadFileList::ReadTree()
{
CAutoWriteLock lock(m_SharedMutex);
ATLASSERT(empty());
CAutoRepository repository(m_Gitdir);
CAutoCommit commit;
CAutoTree tree;
bool ret = repository;
ret = ret && !git_commit_lookup(commit.GetPointer(), repository, (const git_oid*)m_Head.m_hash);
ret = ret && !git_commit_tree(tree.GetPointer(), commit);
try
{
ret = ret && !ReadTreeRecursive(*repository, tree, "", CGitHeadFileList::CallBack, this);
}
catch (const std::bad_alloc& ex)
{
CTraceToOutputDebugString::Instance()(__FUNCTION__ ": Catched exception inside ReadTreeRecursive: %s\n", ex.what());
return -1;
}
if (!ret)
{
clear();
m_LastModifyTimeHead = 0;
return -1;
}
std::sort(this->begin(), this->end(), SortTree);
m_TreeHash = git_commit_id(commit)->id;
return 0;
}
// ReadTree is/must only be executed on an empty list
int CGitHeadFileList::ReadTree()
{
CAutoWriteLock lock(m_SharedMutex);
ATLASSERT(empty());
CAutoRepository repository(m_Gitdir);
CAutoCommit commit;
CAutoTree tree;
bool ret = repository;
ret = ret && !git_commit_lookup(commit.GetPointer(), repository, (const git_oid*)m_Head.m_hash);
ret = ret && !git_commit_tree(tree.GetPointer(), commit);
ret = ret && !ReadTreeRecursive(*repository, tree, "", CGitHeadFileList::CallBack, this);
if (!ret)
{
clear();
m_LastModifyTimeHead = 0;
return -1;
}
std::sort(this->begin(), this->end(), SortTree);
m_TreeHash = git_commit_id(commit)->id;
return 0;
}
int CRepositoryBrowser::ReadTree(CShadowFilesTree * treeroot, const CString& root)
{
CWaitCursor wait;
CAutoRepository repository(g_Git.GetGitRepository());
if (!repository)
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not open repository.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
if (m_sRevision == _T("HEAD"))
{
int ret = git_repository_head_unborn(repository);
if (ret == 1) // is orphan
return ret;
else if (ret != 0)
{
MessageBox(g_Git.GetLibGit2LastErr(_T("Could not check HEAD.")), _T("TortoiseGit"), MB_ICONERROR);
return ret;
}
}
CGitHash hash;
if (CGit::GetHash(repository, hash, m_sRevision))
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not get hash of ") + m_sRevision + _T(".")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
CAutoCommit commit;
if (git_commit_lookup(commit.GetPointer(), repository, (git_oid *)hash.m_hash))
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not lookup commit.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
CAutoTree tree;
if (git_commit_tree(tree.GetPointer(), commit))
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not get tree of commit.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
if (!root.IsEmpty())
{
CAutoTreeEntry treeEntry;
if (git_tree_entry_bypath(treeEntry.GetPointer(), tree, CUnicodeUtils::GetUTF8(root)))
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not lookup path.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
if (git_tree_entry_type(treeEntry) != GIT_OBJ_TREE)
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not lookup path.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
CAutoObject object;
if (git_tree_entry_to_object(object.GetPointer(), repository, treeEntry))
{
MessageBox(CGit::GetLibGit2LastErr(_T("Could not lookup path.")), _T("TortoiseGit"), MB_ICONERROR);
return -1;
}
tree = (git_tree*)object.Detach();
}
treeroot->m_hash = CGitHash((char *)git_tree_id(tree)->id);
ReadTreeRecursive(*repository, tree, treeroot);
// try to resolve hash to a branch name
if (m_sRevision == hash.ToString())
{
MAP_HASH_NAME map;
if (CGit::GetMapHashToFriendName(repository, map))
MessageBox(g_Git.GetLibGit2LastErr(_T("Could not get all refs.")), _T("TortoiseGit"), MB_ICONERROR);
if (!map[hash].empty())
m_sRevision = map[hash].at(0);
}
this->GetDlgItem(IDC_BUTTON_REVISION)->SetWindowText(m_sRevision);
return 0;
}
static git_commit* FindFileRecentCommit(git_repository* repository, const CString& path)
{
CAutoRevwalk walk;
if (git_revwalk_new(walk.GetPointer(), repository))
return nullptr;
CStringA pathA = CUnicodeUtils::GetUTF8(path);
if (pathA.GetLength() >= MAX_PATH)
return nullptr;
const char *pathC = pathA;
char folder[MAX_PATH] = {0}, file[MAX_PATH] = {0};
const char *slash = strrchr(pathC, '/');
if (slash)
{
strncpy(folder, pathC, slash - pathC + 1);
folder[slash - pathC + 1] = '\0';
strcpy(file, slash + 1);
}
else
{
folder[0] = '\0';
strcpy(file, pathC);
}
TreewalkStruct treewalkstruct = { folder, file };
if (git_revwalk_push_head(walk))
return nullptr;
git_oid oid;
CAutoCommit commit;
while (!git_revwalk_next(&oid, walk))
{
if (git_commit_lookup(commit.GetPointer(), repository, &oid))
return nullptr;
CAutoTree tree;
if (git_commit_tree(tree.GetPointer(), commit))
return nullptr;
memset(&treewalkstruct.oid.id, 0, sizeof(treewalkstruct.oid.id));
int ret = git_tree_walk(tree, GIT_TREEWALK_PRE, TreewalkCB_FindFileRecentCommit, &treewalkstruct);
if (ret < 0 && ret != GIT_EUSER)
return nullptr;
// check if file not found
if (git_oid_iszero(&treewalkstruct.oid))
return nullptr;
bool diff = true;
// for merge point, check if it is different to all parents, if yes then there are real change in the merge point.
// if no parent then of course it is different
for (unsigned int i = 0; i < git_commit_parentcount(commit); ++i)
{
CAutoCommit commit2;
if (git_commit_parent(commit2.GetPointer(), commit, i))
return nullptr;
CAutoTree tree2;
if (git_commit_tree(tree2.GetPointer(), commit2))
return nullptr;
TreewalkStruct treewalkstruct2 = { folder, file };
memset(&treewalkstruct2.oid.id, 0, sizeof(treewalkstruct2.oid.id));
int ret = git_tree_walk(tree2, GIT_TREEWALK_PRE, TreewalkCB_FindFileRecentCommit, &treewalkstruct2);
if (ret < 0 && ret != GIT_EUSER)
return nullptr;
if (!git_oid_cmp(&treewalkstruct.oid, &treewalkstruct2.oid))
diff = false;
else if (git_revwalk_hide(walk, git_commit_parent_id(commit, i)))
return nullptr;
}
if (diff)
break;
}
return commit.Detach();
}
