From feb015c9ab9109e19c77dbb8bc213588c778009f Mon Sep 17 00:00:00 2001
From: Sup Yut Sum <ch3cooli@gmail.com>
Date: Mon, 1 Sep 2014 23:44:53 +0800
Subject: [PATCH] Use libgit2 to list remote tags

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 src/Git/Git.cpp                         | 37 ++++++++++++++++++++++++++++++++-
 src/Git/Git.h                           |  3 ++-
 src/TortoiseProc/DeleteRemoteTagDlg.cpp |  6 ++++--
 3 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/src/Git/Git.cpp b/src/Git/Git.cpp
index ed4d6c55d..229c38467 100644
--- a/src/Git/Git.cpp
+++ b/src/Git/Git.cpp
@@ -1684,8 +1684,43 @@ int CGit::GetRemoteList(STRING_VECTOR &list)
 	}
 }
 
-int CGit::GetRemoteTags(const CString& remote, STRING_VECTOR &list)
+int CGit::GetRemoteTags(const CString& remote, STRING_VECTOR &list, git_remote_callbacks* callback)
 {
+	if (UsingLibGit2(GIT_CMD_FETCH))
+	{
+		CAutoRepository repo(GetGitRepository());
+		if (!repo)
+			return -1;
+
+		CStringA remoteA = CUnicodeUtils::GetUTF8(remote);
+		CAutoRemote remote;
+		if (git_remote_load(remote.GetPointer(), repo, remoteA) < 0)
+			return -1;
+
+		git_remote_set_callbacks(remote, callback);
+		if (git_remote_connect(remote, GIT_DIRECTION_FETCH) < 0)
+			return -1;
+
+		const git_remote_head** heads = nullptr;
+		size_t size = 0;
+		if (git_remote_ls(&heads, &size, remote) < 0)
+			return -1;
+
+		for (int i = 0; i < size; i++)
+		{
+			CString ref = CUnicodeUtils::GetUnicode(heads[i]->name);
+			CString shortname;
+			if (!GetShortName(ref, shortname, _T("refs/tags/")))
+				continue;
+			// dot not include annotated tags twice; this works, because an annotated tag appears twice (one normal tag and one with ^{} at the end)
+			if (shortname.Find(_T("^{}")) >= 1)
+				continue;
+			list.push_back(shortname);
+		}
+		std::sort(list.begin(), list.end(), g_bSortTagsReversed ? LogicalCompareReversedPredicate : LogicalComparePredicate);
+		return 0;
+	}
+
 	CString cmd, out, err;
 	cmd.Format(_T("git.exe ls-remote -t \"%s\""), remote);
 	if (Run(cmd, &out, &err, CP_UTF8))
diff --git a/src/Git/Git.h b/src/Git/Git.h
index d215e9dd6..d6bb66646 100644
--- a/src/Git/Git.h
+++ b/src/Git/Git.h
@@ -29,6 +29,7 @@
 #define REG_MSYSGIT_EXTRA_PATH _T("Software\\TortoiseGit\\MSysGitExtra")
 
 struct git_repository;
+struct git_remote_callbacks;
 
 class CFilterData
 {
@@ -311,7 +312,7 @@ public:
 	int GetRemoteList(STRING_VECTOR &list);
 	int GetBranchList(STRING_VECTOR &list, int *Current,BRANCH_TYPE type=BRANCH_LOCAL);
 	int GetTagList(STRING_VECTOR &list);
-	int GetRemoteTags(const CString& remote, STRING_VECTOR &list);
+	int GetRemoteTags(const CString& remote, STRING_VECTOR &list, git_remote_callbacks* callback = nullptr);
 	int GetMapHashToFriendName(MAP_HASH_NAME &map);
 	static int GetMapHashToFriendName(git_repository* repo, MAP_HASH_NAME &map);
 
diff --git a/src/TortoiseProc/DeleteRemoteTagDlg.cpp b/src/TortoiseProc/DeleteRemoteTagDlg.cpp
index 327c6448a..9db8f0f9d 100644
--- a/src/TortoiseProc/DeleteRemoteTagDlg.cpp
+++ b/src/TortoiseProc/DeleteRemoteTagDlg.cpp
@@ -1,6 +1,6 @@
 // TortoiseGit - a Windows shell extension for easy version control
 
-// Copyright (C) 2012-2013 - TortoiseGit
+// Copyright (C) 2012-2014 - TortoiseGit
 
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -93,7 +93,9 @@ void CDeleteRemoteTagDlg::Refresh()
 	sysProgressDlg.SetLine(2, CString(MAKEINTRESOURCE(IDS_PROGRESSWAIT)));
 	sysProgressDlg.SetShowProgressBar(false);
 	sysProgressDlg.ShowModal(this, true);
-	g_Git.GetRemoteTags(m_sRemote, m_taglist);
+	git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
+	callbacks.credentials = CAppUtils::Git2GetUserPassword;
+	g_Git.GetRemoteTags(m_sRemote, m_taglist, &callbacks);
 	sysProgressDlg.Stop();
 	BringWindowToTop();
 
-- 
2.11.4.GIT