GitClient: Change synchronousStashList() signature

Get rid of unused errorMessage arg.
Return the stash list directly.

Change-Id: I9bf156c5ecda476a5def3c3490d6cb13d011a3cd
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/git/branchview.cpp

@@ -399,9 +399,8 @@ bool BranchView::checkout()
     if (gitClient().gitStatus(m_repository, StatusMode(NoUntracked | NoSubmodules)) != GitClient::StatusChanged)
         branchCheckoutDialog.foundNoLocalChanges();
 
-    QList<Stash> stashes;
-    gitClient().synchronousStashList(m_repository, &stashes);
-    for (const Stash &stash : std::as_const(stashes)) {
+    const QList<Stash> stashes = gitClient().synchronousStashList(m_repository);
+    for (const Stash &stash : stashes) {
         if (stash.message.startsWith(popMessageStart)) {
             branchCheckoutDialog.foundStashForNextBranch();
             break;
@@ -433,10 +432,9 @@ bool BranchView::checkout()
             if (moveChanges) {
                 gitClient().endStashScope(m_repository);
             } else if (popStash) {
-                QList<Stash> stashes;
                 QString stashName;
-                gitClient().synchronousStashList(m_repository, &stashes);
-                for (const Stash &stash : std::as_const(stashes)) {
+                const QList<Stash> stashes = gitClient().synchronousStashList(m_repository);
+                for (const Stash &stash : stashes) {
                     if (stash.message.startsWith(popMessageStart)) {
                         stashName = stash.name;
                         break;

src/plugins/git/gitclient.cpp

@@ -1837,12 +1837,10 @@ static QString stashNameFromMessage(const FilePath &workingDirectory, const QStr
     if (message.startsWith(stashNamePrefix))
         return message;
     // Retrieve list and find via message
-    QList<Stash> stashes;
-    if (!gitClient().synchronousStashList(workingDirectory, &stashes))
-        return {};
-    for (const Stash &s : std::as_const(stashes)) {
-        if (s.message == message)
-            return s.name;
+    const QList<Stash> stashes = gitClient().synchronousStashList(workingDirectory);
+    for (const Stash &stash : stashes) {
+        if (stash.message == message)
+            return stash.name;
     }
     //: Look-up of a stash via its descriptive message failed.
     msgCannotRun(Tr::tr("Cannot resolve stash message \"%1\" in \"%2\".")
@@ -3376,25 +3374,23 @@ static std::optional<Stash> parseStashLine(const QString &l)
                  l.mid(messagePos + 2)}; // skip blank
 }
 
-bool GitClient::synchronousStashList(const FilePath &workingDirectory, QList<Stash> *stashes,
-                                     QString *errorMessage) const
+QList<Stash> GitClient::synchronousStashList(const FilePath &workingDirectory) const
 {
-    stashes->clear();
-
     const QStringList arguments = {"stash", "list", noColorOption};
     const CommandResult result = vcsSynchronousExec(workingDirectory, arguments,
                                                     RunFlags::ForceCLocale);
     if (result.result() != ProcessResult::FinishedWithSuccess) {
-        msgCannotRun(arguments, workingDirectory, result.cleanedStdErr(), errorMessage);
-        return false;
+        msgCannotRun(arguments, workingDirectory, result.cleanedStdErr(), nullptr);
+        return {};
     }
     const QStringList lines = splitLines(result.cleanedStdOut());
+    QList<Stash> stashes;
     for (const QString &line : lines) {
         const auto stash = parseStashLine(line);
         if (stash)
-            stashes->push_back(*stash);
+            stashes.push_back(*stash);
     }
-    return true;
+    return stashes;
 }
 
 // Read a single-line config value, return trimmed

src/plugins/git/gitclient.h

@@ -277,8 +277,7 @@ public:
 
     void stashPop(const Utils::FilePath &workingDirectory, const QString &stash = {});
     void revertFiles(const QStringList &files, bool revertStaging);
-    bool synchronousStashList(const Utils::FilePath &workingDirectory, QList<Stash> *stashes,
-                              QString *errorMessage = nullptr) const;
+    QList<Stash> synchronousStashList(const Utils::FilePath &workingDirectory) const;
 
     QString readGitVar(const Utils::FilePath &workingDirectory, const QString &configVar) const;
     QString readConfigValue(const Utils::FilePath &workingDirectory, const QString &configVar) const;

src/plugins/git/stashdialog.cpp

@@ -169,8 +169,7 @@ void StashDialog::refresh(const FilePath &repository, bool force)
     if (m_repository.isEmpty()) {
         m_model->setStashes({});
     } else {
-        QList<Stash> stashes;
-        gitClient().synchronousStashList(m_repository, &stashes);
+        const QList<Stash> stashes = gitClient().synchronousStashList(m_repository);
         m_model->setStashes(stashes);
         if (!stashes.isEmpty()) {
             for (int c = 0; c < ColumnCount; c++)