ADDED: Git integration support

Adds support for project-based git integration, branch support, commit,
revert and updates

Fixes https://gitlab.com/kicad/code/kicad/issues/10441

common/git/git_push_handler.cpp

@@ -0,0 +1,79 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2023 KiCad Developers, see AUTHORS.TXT for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/gpl-3.0.html
+ * or you may search the http://www.gnu.org website for the version 3 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include "git_push_handler.h"
+#include <git/kicad_git_common.h>
+
+#include <iostream>
+
+GIT_PUSH_HANDLER::GIT_PUSH_HANDLER( git_repository* aRepo ) :  KIGIT_COMMON( aRepo )
+{}
+
+GIT_PUSH_HANDLER::~GIT_PUSH_HANDLER()
+{}
+
+PushResult GIT_PUSH_HANDLER::PerformPush()
+{
+    PushResult result = PushResult::Success;
+
+    // Fetch updates from remote repository
+    git_remote* remote = nullptr;
+
+    if( git_remote_lookup( &remote, m_repo, "origin" ) != 0 )
+    {
+        AddErrorString( _( "Could not lookup remote" ) );
+        return PushResult::Error;
+    }
+
+    git_remote_callbacks remoteCallbacks = GIT_REMOTE_CALLBACKS_INIT;
+    remoteCallbacks.sideband_progress = progress_cb;
+    remoteCallbacks.transfer_progress = transfer_progress_cb;
+    remoteCallbacks.update_tips = update_cb;
+    remoteCallbacks.push_transfer_progress = push_transfer_progress_cb;
+    remoteCallbacks.payload = this;
+
+    if( git_remote_connect( remote, GIT_DIRECTION_PUSH, &remoteCallbacks, nullptr, nullptr ) )
+    {
+        git_remote_free( remote );
+        AddErrorString( _( "Could not connect to remote" ) );
+        return PushResult::Error;
+    }
+
+    git_push_options pushOptions = GIT_PUSH_OPTIONS_INIT;
+    pushOptions.callbacks = remoteCallbacks;
+
+    if( git_remote_push( remote, nullptr, &pushOptions ) )
+    {
+        git_remote_free( remote );
+        AddErrorString( _( "Could not push to remote" ) );
+        return PushResult::Error;
+    }
+
+    return result;
+}
+
+
+void GIT_PUSH_HANDLER::UpdateProgress( int aCurrent, int aTotal, const wxString& aMessage )
+{
+    ReportProgress( aCurrent, aTotal, aMessage );
+}