Git: Add reflog

Change-Id: Id328492826bdcf4b7f7e6933a9dc3931174de0fb
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gitclient.cpp

@@ -1151,6 +1151,27 @@ void GitClient::log(const QString &workingDirectory, const QString &fileName,
     executeGit(workingDirectory, arguments, editor);
 }
 
+void GitClient::reflog(const QString &workingDirectory)
+{
+    const QString title = tr("Git Reflog \"%1\"").arg(workingDirectory);
+    const Core::Id editorId = Git::Constants::GIT_LOG_EDITOR_ID;
+    VcsBase::VcsBaseEditorWidget *editor = findExistingVCSEditor("reflogRepository", workingDirectory);
+    if (!editor) {
+        editor = createVcsEditor(editorId, title, workingDirectory, CodecLogOutput,
+                                 "reflogRepository", workingDirectory, 0);
+    }
+
+    QStringList arguments;
+    arguments << QLatin1String("reflog") << QLatin1String(noColorOption)
+              << QLatin1String(decorateOption);
+
+    int logCount = settings()->intValue(GitSettings::logCountKey);
+    if (logCount > 0)
+         arguments << QLatin1String("-n") << QString::number(logCount);
+
+    executeGit(workingDirectory, arguments, editor);
+}
+
 // Do not show "0000" or "^32ae4"
 static inline bool canShow(const QString &sha)
 {

src/plugins/git/gitclient.h

@@ -148,6 +148,7 @@ public:
     void status(const QString &workingDirectory);
     void log(const QString &workingDirectory, const QString &fileName = QString(),
              bool enableAnnotationContextMenu = false, const QStringList &args = QStringList());
+    void reflog(const QString &workingDirectory);
     void blame(const QString &workingDirectory, const QStringList &args, const QString &fileName,
                const QString &revision = QString(), int lineNumber = -1);
     void reset(const QString &workingDirectory, const QString &argument, const QString &commit = QString());

src/plugins/git/gitplugin.cpp

@@ -408,6 +408,11 @@ bool GitPlugin::initialize(const QStringList &arguments, QString *errorMessage)
                            globalcontext, true,
                            SLOT(logRepository()));
 
+    createRepositoryAction(localRepositoryMenu,
+                           tr("Reflog"), Core::Id("Git.ReflogRepository"),
+                           globalcontext, true,
+                           SLOT(reflogRepository()));
+
     createRepositoryAction(localRepositoryMenu,
                            tr("Clean..."), Core::Id("Git.CleanRepository"),
                            globalcontext, true, SLOT(cleanRepository()));
@@ -785,6 +790,13 @@ void GitPlugin::logRepository()
     m_gitClient->log(state.topLevel());
 }
 
+void GitPlugin::reflogRepository()
+{
+    const VcsBase::VcsBasePluginState state = currentState();
+    QTC_ASSERT(state.hasTopLevel(), return);
+    m_gitClient->reflog(state.topLevel());
+}
+
 void GitPlugin::undoFileChanges(bool revertStaging)
 {
     if (!ensureAllDocumentsSaved())

src/plugins/git/gitplugin.h

@@ -115,6 +115,7 @@ private slots:
     void blameFile();
     void logProject();
     void logRepository();
+    void reflogRepository();
     void undoFileChanges(bool revertStaging = true);
     void undoUnstagedFileChanges();
     void resetRepository();