Vcs: Use correct project to trim down list of files on commit

Task-number: QTCREATORBUG-13955
Change-Id: I9961e981864f7dc261c2028fd3b80a36647a9a00
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/vcsbase.pro

@@ -2,6 +2,7 @@ DEFINES += VCSBASE_LIBRARY
 include(../../qtcreatorplugin.pri)
 HEADERS += vcsbase_global.h \
     vcsbaseconstants.h \
+    vcsprojectcache.h \
     wizard/vcsconfigurationpage.h \
     wizard/vcsjsextension.h \
     vcsplugin.h \
@@ -34,6 +35,7 @@ HEADERS += vcsbase_global.h \
 
 SOURCES += vcsplugin.cpp \
     vcsbaseplugin.cpp \
+    vcsprojectcache.cpp \
     wizard/vcsconfigurationpage.cpp \
     wizard/vcsjsextension.cpp \
     corelistener.cpp \

src/plugins/vcsbase/vcsbase.qbs

@@ -76,6 +76,8 @@ QtcPlugin {
         "vcsoutputwindow.h",
         "vcsplugin.cpp",
         "vcsplugin.h",
+        "vcsprojectcache.cpp",
+        "vcsprojectcache.h",
         "images/diff.png",
         "images/removesubmitfield.png",
         "images/submit.png",

src/plugins/vcsbase/vcsbasesubmiteditor.cpp

@@ -38,6 +38,7 @@
 #include "submitfilemodel.h"
 #include "vcsoutputwindow.h"
 #include "vcsplugin.h"
+#include "vcsprojectcache.h"
 
 #include <aggregation/aggregate.h>
 #include <cpptools/cppmodelmanager.h>
@@ -52,14 +53,13 @@
 #include <texteditor/fontsettings.h>
 #include <texteditor/texteditorsettings.h>
 
-#include <projectexplorer/projecttree.h>
 #include <projectexplorer/project.h>
 
-#include <QDebug>
 #include <QDir>
-#include <QProcess>
 #include <QFileInfo>
 #include <QPointer>
+#include <QProcess>
+#include <QSet>
 #include <QStringListModel>
 #include <QStyle>
 #include <QToolBar>
@@ -144,8 +144,9 @@ static inline QString submitMessageCheckScript()
     return VcsPlugin::instance()->settings().submitMessageCheckScript;
 }
 
-struct VcsBaseSubmitEditorPrivate
+class VcsBaseSubmitEditorPrivate
 {
+public:
     VcsBaseSubmitEditorPrivate(const VcsBaseSubmitEditorParameters *parameters,
                                SubmitEditorWidget *editorWidget,
                                VcsBaseSubmitEditor *q);
@@ -747,39 +748,27 @@ QIcon VcsBaseSubmitEditor::submitIcon()
     return QIcon(QLatin1String(":/vcsbase/images/submit.png"));
 }
 
-// Compile a list if files in the current projects. TODO: Recurse down qrc files?
-QStringList VcsBaseSubmitEditor::currentProjectFiles(bool nativeSeparators, QString *name)
-{
-    if (name)
-        name->clear();
-
-    if (const ProjectExplorer::Project *currentProject = ProjectExplorer::ProjectTree::currentProject()) {
-        QStringList files = currentProject->files(ProjectExplorer::Project::ExcludeGeneratedFiles);
-        if (name)
-            *name = currentProject->displayName();
-        if (nativeSeparators && !files.empty()) {
-            const QStringList::iterator end = files.end();
-            for (QStringList::iterator it = files.begin(); it != end; ++it)
-                *it = QDir::toNativeSeparators(*it);
-        }
-        return files;
-    }
-    return QStringList();
-}
-
 // Reduce a list of untracked files reported by a VCS down to the files
 // that are actually part of the current project(s).
-void VcsBaseSubmitEditor::filterUntrackedFilesOfProject(const QString &repositoryDirectory, QStringList *untrackedFiles)
+void VcsBaseSubmitEditor::filterUntrackedFilesOfProject(const QString &repositoryDirectory,
+                                                        QStringList *untrackedFiles)
 {
     if (untrackedFiles->empty())
         return;
-    const QStringList nativeProjectFiles = VcsBaseSubmitEditor::currentProjectFiles(true);
-    if (nativeProjectFiles.empty())
+
+    ProjectExplorer::Project *vcsProject = VcsProjectCache::projectFor(repositoryDirectory);
+    if (!vcsProject)
+        return;
+
+    const QSet<QString> projectFiles
+            = QSet<QString>::fromList(vcsProject->files(ProjectExplorer::Project::ExcludeGeneratedFiles));
+
+    if (projectFiles.empty())
         return;
     const QDir repoDir(repositoryDirectory);
     for (QStringList::iterator it = untrackedFiles->begin(); it != untrackedFiles->end(); ) {
-        const QString path = QDir::toNativeSeparators(repoDir.absoluteFilePath(*it));
-        if (nativeProjectFiles.contains(path))
+        const QString path = repoDir.absoluteFilePath(*it);
+        if (projectFiles.contains(path))
             ++it;
         else
             it = untrackedFiles->erase(it);

src/plugins/vcsbase/vcsbasesubmiteditor.h

@@ -42,14 +42,16 @@ class QIcon;
 class QAction;
 QT_END_NAMESPACE
 
+namespace ProjectExplorer { class Project; }
+
 namespace VcsBase {
 namespace Internal {
     class CommonVcsSettings;
     class SubmitEditorFile;
-}
-struct VcsBaseSubmitEditorPrivate;
+} // namespace Internal
 class SubmitEditorWidget;
 class SubmitFileModel;
+class VcsBaseSubmitEditorPrivate;
 
 class VCSBASE_EXPORT VcsBaseSubmitEditorParameters
 {
@@ -128,10 +130,6 @@ public:
     static QIcon diffIcon();
     static QIcon submitIcon();
 
-    // Utility returning all project files in case submit lists need to
-    // be restricted to them
-    static QStringList currentProjectFiles(bool nativeSeparators, QString *name = 0);
-
     // Reduce a list of untracked files reported by a VCS down to the files
     // that are actually part of the current project(s).
     static void filterUntrackedFilesOfProject(const QString &repositoryDirectory, QStringList *untrackedFiles);
@@ -168,6 +166,7 @@ private:
     QString promptForNickName();
 
     VcsBaseSubmitEditorPrivate *d;
+
     friend class Internal::SubmitEditorFile; // for the file contents
 };
 

src/plugins/vcsbase/vcsplugin.cpp

@@ -35,6 +35,7 @@
 #include "commonsettingspage.h"
 #include "nicknamedialog.h"
 #include "vcsoutputwindow.h"
+#include "vcsprojectcache.h"
 #include "corelistener.h"
 #include "wizard/vcsconfigurationpage.h"
 #include "wizard/vcsjsextension.h"
@@ -70,6 +71,7 @@ VcsPlugin::VcsPlugin() :
 
 VcsPlugin::~VcsPlugin()
 {
+    VcsProjectCache::destroy();
     m_instance = 0;
 }
 
@@ -127,6 +129,7 @@ bool VcsPlugin::initialize(const QStringList &arguments, QString *errorMessage)
 
 void VcsPlugin::extensionsInitialized()
 {
+    VcsProjectCache::create();
 }
 
 VcsPlugin *VcsPlugin::instance()

src/plugins/vcsbase/vcsprojectcache.cpp

@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company.  For licensing terms and
+** conditions see http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "vcsprojectcache.h"
+
+#include "vcsbasesubmiteditor.h"
+
+#include <projectexplorer/project.h>
+#include <projectexplorer/session.h>
+
+#include <utils/algorithm.h>
+#include <utils/qtcassert.h>
+
+#include <limits>
+
+namespace {
+
+class PathMatcher
+{
+public:
+    PathMatcher() : m_count(std::numeric_limits<int>::max()), m_project(0) { }
+    ProjectExplorer::Project *project() { return m_project; }
+
+    void match(ProjectExplorer::Project *project,
+               const Utils::FileName &base, const Utils::FileName &child) {
+        int count = std::numeric_limits<int>::max();
+        if (child.isChildOf(base)) {
+            const QString relative = child.toString().mid(base.count() + 1);
+            count = relative.count(QLatin1Char('/'));
+        }
+        if (count < m_count) {
+            m_count = count;
+            m_project = project;
+        }
+    }
+
+private:
+    int m_count;
+    ProjectExplorer::Project *m_project;
+};
+
+} // namespace
+
+namespace VcsBase {
+namespace Internal {
+
+VcsProjectCache *VcsProjectCache::m_instance = 0;
+
+VcsProjectCache::VcsProjectCache()
+{
+    QTC_ASSERT(!m_instance, return);
+    m_instance = this;
+
+    connect(ProjectExplorer::SessionManager::instance(), &ProjectExplorer::SessionManager::projectAdded,
+            this, []() { VcsProjectCache::invalidate(); });
+    connect(ProjectExplorer::SessionManager::instance(), &ProjectExplorer::SessionManager::projectRemoved,
+            this, []() { VcsProjectCache::invalidate(); });
+}
+
+VcsProjectCache::~VcsProjectCache()
+{
+    m_instance = 0;
+}
+
+ProjectExplorer::Project *VcsProjectCache::projectFor(const QString &repo)
+{
+    ProjectExplorer::Project *project;
+
+    const int pos = Utils::indexOf(m_instance->m_cache,
+                                   [repo](const CacheNode &n) { return n.repository == repo; });
+    if (pos >= 0) {
+        if (pos > 0) {
+            m_instance->m_cache.prepend(m_instance->m_cache.at(pos));
+            m_instance->m_cache.removeAt(pos + 1);
+        }
+        return m_instance->m_cache.at(0).project;
+    }
+
+    project = projectForToplevel(Utils::FileName::fromString(repo));
+    m_instance->m_cache.prepend(CacheNode(repo, project));
+    while (m_instance->m_cache.count() > 10)
+        m_instance->m_cache.removeLast();
+
+    return project;
+}
+
+void VcsProjectCache::invalidate()
+{
+    m_instance->m_cache.clear();
+}
+
+void VcsProjectCache::create()
+{
+    new VcsProjectCache;
+}
+
+void VcsProjectCache::destroy()
+{
+    delete m_instance;
+}
+
+ProjectExplorer::Project *VcsProjectCache::projectForToplevel(const Utils::FileName &vcsTopLevel)
+{
+    PathMatcher parentMatcher;
+    PathMatcher childMatcher;
+    foreach (ProjectExplorer::Project *project, ProjectExplorer::SessionManager::projects()) {
+        const Utils::FileName projectDir = project->projectDirectory();
+        if (projectDir == vcsTopLevel)
+            return project;
+        parentMatcher.match(project, vcsTopLevel, projectDir);
+        childMatcher.match(project, projectDir, vcsTopLevel);
+    }
+
+    if (parentMatcher.project())
+        return parentMatcher.project();
+
+    return childMatcher.project();
+}
+
+} // Internal
+} // namespace VcsBase

src/plugins/vcsbase/vcsprojectcache.h

@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company.  For licensing terms and
+** conditions see http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef VCSBASE_PROJECTCACHE_H
+#define VCSBASE_PROJECTCACHE_H
+
+#include <utils/fileutils.h>
+
+#include <QList>
+#include <QObject>
+
+namespace ProjectExplorer { class Project; }
+
+namespace VcsBase {
+namespace Internal {
+
+class VcsPlugin;
+
+class VcsProjectCache : public QObject {
+public:
+    static ProjectExplorer::Project *projectFor(const QString &repo);
+
+private:
+    VcsProjectCache();
+    ~VcsProjectCache();
+
+    static void invalidate();
+    static ProjectExplorer::Project *projectForToplevel(const Utils::FileName &vcsTopLevel);
+
+    static void create();
+    static void destroy();
+
+    class CacheNode {
+    public:
+        CacheNode(const QString &r, ProjectExplorer::Project *p) : repository(r), project(p)
+        { }
+
+        QString repository;
+        ProjectExplorer::Project *project;
+    };
+    QList<CacheNode> m_cache;
+
+    static VcsProjectCache *m_instance;
+
+    friend class VcsPlugin;
+};
+
+} // namespace Internal
+} // namespace VcsBase
+
+#endif // VCSBASE_PROJECTCACHE_H