Support specifying the Qbs build directory as a command line option.

Also supports changing the default build directory ('.') using the
'preferences.defaultBuildDirectory' property.

Task-number: QBS-462
Change-Id: Id3d05d2f5b14197bd3af2e7f9d55bdd263809716
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

8 files changed, 94 insertions, 1 deletions

diff --git a/src/app/qbs/commandlinefrontend.cpp b/src/app/qbs/commandlinefrontend.cpp
index a2264c497..2cbd087d0 100644
--- a/src/app/qbs/commandlinefrontend.cpp
+++ b/src/app/qbs/commandlinefrontend.cpp
@@ -121,7 +121,7 @@ void CommandLineFrontend::start()
                                                    + QLatin1String("/../"));
         SetupProjectParameters params;
         params.setProjectFilePath(m_parser.projectFilePath());
-        params.setBuildRoot(QDir::currentPath());
+        params.setBuildRoot(m_parser.projectBuildDirectory());
         params.setSearchPaths(Preferences(m_settings).searchPaths(qbsRootPath));
         params.setPluginPaths(Preferences(m_settings).pluginPaths(qbsRootPath));
         params.setIgnoreDifferentProjectFilePath(m_parser.force());
diff --git a/src/app/qbs/parser/command.cpp b/src/app/qbs/parser/command.cpp
index c9f24a36a..f20eedf35 100644
--- a/src/app/qbs/parser/command.cpp
+++ b/src/app/qbs/parser/command.cpp
@@ -169,6 +169,7 @@ static QList<CommandLineOption::Type> resolveOptions()
 {
     return QList<CommandLineOption::Type>()
             << CommandLineOption::FileOptionType
+            << CommandLineOption::BuildDirectoryOptionType
             << CommandLineOption::LogLevelOptionType
             << CommandLineOption::VerboseOptionType
             << CommandLineOption::QuietOptionType
@@ -345,6 +346,7 @@ QList<CommandLineOption::Type> ShellCommand::supportedOptions() const
 {
     return QList<CommandLineOption::Type>()
             << CommandLineOption::FileOptionType
+            << CommandLineOption::BuildDirectoryOptionType
             << CommandLineOption::LogLevelOptionType
             << CommandLineOption::VerboseOptionType
             << CommandLineOption::QuietOptionType
@@ -375,6 +377,7 @@ QList<CommandLineOption::Type> StatusCommand::supportedOptions() const
 {
     return QList<CommandLineOption::Type>()
             << CommandLineOption::FileOptionType
+            << CommandLineOption::BuildDirectoryOptionType
             << CommandLineOption::LogLevelOptionType
             << CommandLineOption::VerboseOptionType
             << CommandLineOption::QuietOptionType
@@ -408,6 +411,7 @@ QList<CommandLineOption::Type> UpdateTimestampsCommand::supportedOptions() const
 {
     return QList<CommandLineOption::Type>()
             << CommandLineOption::FileOptionType
+            << CommandLineOption::BuildDirectoryOptionType
             << CommandLineOption::LogLevelOptionType
             << CommandLineOption::VerboseOptionType
             << CommandLineOption::QuietOptionType
diff --git a/src/app/qbs/parser/commandlineoption.cpp b/src/app/qbs/parser/commandlineoption.cpp
index c9d21c405..21fe05b41 100644
--- a/src/app/qbs/parser/commandlineoption.cpp
+++ b/src/app/qbs/parser/commandlineoption.cpp
@@ -81,6 +81,39 @@ void FileOption::doParse(const QString &representation, QStringList &input)
     m_projectFilePath = getArgument(representation, input);
 }
 
+QString BuildDirectoryOption::description(CommandType command) const
+{
+    Q_UNUSED(command);
+    return Tr::tr("%1|%2 <directory>\n"
+            "\tBuild in the given directory. The default value is the current directory\n"
+            "\tunless preferences.defaultBuildDirectory is set.\n"
+            "\tRelative paths will be interpreted relative to the current directory.\n"
+            "\tIf the directory does not exist, it will be created. Use the special\n"
+            "\tvalue '%3' as a placeholder for the name of the directory\n"
+            "\tcontaining the project file.\n")
+            .arg(longRepresentation(), shortRepresentation(), magicProjectString());
+}
+
+QString BuildDirectoryOption::shortRepresentation() const
+{
+    return QLatin1String("-d");
+}
+
+QString BuildDirectoryOption::longRepresentation() const
+{
+    return QLatin1String("--build-directory");
+}
+
+QString BuildDirectoryOption::magicProjectString()
+{
+    return QLatin1String("@project");
+}
+
+void BuildDirectoryOption::doParse(const QString &representation, QStringList &input)
+{
+    m_projectBuildDirectory = getArgument(representation, input);
+}
+
 static QString loglevelLongRepresentation() { return QLatin1String("--log-level"); }
 
 QString VerboseOption::description(CommandType command) const
diff --git a/src/app/qbs/parser/commandlineoption.h b/src/app/qbs/parser/commandlineoption.h
index 8457ef4cb..585128d7a 100644
--- a/src/app/qbs/parser/commandlineoption.h
+++ b/src/app/qbs/parser/commandlineoption.h
@@ -40,6 +40,7 @@ class CommandLineOption
 public:
     enum Type {
         FileOptionType,
+        BuildDirectoryOptionType,
         LogLevelOptionType, VerboseOptionType, QuietOptionType,
         JobsOptionType,
         KeepGoingOptionType,
@@ -87,6 +88,22 @@ private:
     QString m_projectFilePath;
 };
 
+class BuildDirectoryOption : public CommandLineOption
+{
+public:
+    QString projectBuildDirectory() const { return m_projectBuildDirectory; }
+    static QString magicProjectString();
+
+private:
+    QString description(CommandType command) const;
+    QString shortRepresentation() const;
+    QString longRepresentation() const;
+    void doParse(const QString &representation, QStringList &input);
+
+private:
+    QString m_projectBuildDirectory;
+};
+
 class CountingOption : public CommandLineOption
 {
 public:
diff --git a/src/app/qbs/parser/commandlineoptionpool.cpp b/src/app/qbs/parser/commandlineoptionpool.cpp
index a7a0d7ab7..d675700d8 100644
--- a/src/app/qbs/parser/commandlineoptionpool.cpp
+++ b/src/app/qbs/parser/commandlineoptionpool.cpp
@@ -43,6 +43,9 @@ CommandLineOption *CommandLineOptionPool::getOption(CommandLineOption::Type type
         case CommandLineOption::FileOptionType:
             option = new FileOption;
             break;
+        case CommandLineOption::BuildDirectoryOptionType:
+            option = new BuildDirectoryOption;
+            break;
         case CommandLineOption::LogLevelOptionType:
             option = new LogLevelOption;
             break;
@@ -101,6 +104,11 @@ FileOption *CommandLineOptionPool::fileOption() const
     return static_cast<FileOption *>(getOption(CommandLineOption::FileOptionType));
 }
 
+BuildDirectoryOption *CommandLineOptionPool::buildDirectoryOption() const
+{
+    return static_cast<BuildDirectoryOption *>(getOption(CommandLineOption::BuildDirectoryOptionType));
+}
+
 LogLevelOption *CommandLineOptionPool::logLevelOption() const
 {
     return static_cast<LogLevelOption *>(getOption(CommandLineOption::LogLevelOptionType));
diff --git a/src/app/qbs/parser/commandlineoptionpool.h b/src/app/qbs/parser/commandlineoptionpool.h
index 46c36a9d9..ccb5b0421 100644
--- a/src/app/qbs/parser/commandlineoptionpool.h
+++ b/src/app/qbs/parser/commandlineoptionpool.h
@@ -42,6 +42,7 @@ public:
 
     CommandLineOption *getOption(CommandLineOption::Type type) const;
     FileOption *fileOption() const;
+    BuildDirectoryOption *buildDirectoryOption() const;
     LogLevelOption *logLevelOption() const;
     VerboseOption *verboseOption() const;
     QuietOption *quietOption() const;
diff --git a/src/app/qbs/parser/commandlineparser.cpp b/src/app/qbs/parser/commandlineparser.cpp
index 40c0fa3e2..46d1e6173 100644
--- a/src/app/qbs/parser/commandlineparser.cpp
+++ b/src/app/qbs/parser/commandlineparser.cpp
@@ -69,6 +69,7 @@ public:
     QString generalHelp() const;
 
     void setupProjectFile();
+    void setupBuildDirectory();
     void setupProgress();
     void setupLogLevel();
     void setupBuildOptions();
@@ -81,6 +82,7 @@ public:
     Settings *settings;
     Command *command;
     QString projectFilePath;
+    QString projectBuildDirectory;
     BuildOptions buildOptions;
     CommandLineOptionPool optionPool;
     CommandPool commandPool;
@@ -129,6 +131,11 @@ QString CommandLineParser::projectFilePath() const
     return d->projectFilePath;
 }
 
+QString CommandLineParser::projectBuildDirectory() const
+{
+    return d->projectBuildDirectory;
+}
+
 BuildOptions CommandLineParser::buildOptions() const
 {
     return d->buildOptions;
@@ -351,6 +358,7 @@ void CommandLineParser::CommandLineParserPrivate::doParse()
         return;
 
     setupProjectFile();
+    setupBuildDirectory();
     setupProgress();
     setupLogLevel();
     setupBuildOptions();
@@ -464,6 +472,27 @@ void CommandLineParser::CommandLineParserPrivate::setupProjectFile()
     qbsDebug() << "Using project file '" << QDir::toNativeSeparators(projectFilePath) << "'.";
 }
 
+void CommandLineParser::CommandLineParserPrivate::setupBuildDirectory()
+{
+    projectBuildDirectory = optionPool.buildDirectoryOption()->projectBuildDirectory();
+    if (projectBuildDirectory.isEmpty()) {
+        projectBuildDirectory = Preferences(settings).defaultBuildDirectory();
+        if (projectBuildDirectory.isEmpty()) {
+            qbsDebug() << "No project build directory given; using current directory.";
+            projectBuildDirectory = QDir::currentPath();
+        } else {
+            qbsDebug() << "No project build directory given; using directory from preferences.";
+        }
+    }
+
+    QDir dir(QFileInfo(projectFilePath).path());
+    projectBuildDirectory.replace(optionPool.buildDirectoryOption()->magicProjectString(),
+                                  dir.dirName());
+
+    if (!QFileInfo(projectBuildDirectory).isAbsolute())
+        projectBuildDirectory = QDir::currentPath() + QLatin1Char('/') + projectBuildDirectory;
+}
+
 void CommandLineParser::CommandLineParserPrivate::setupBuildOptions()
 {
     buildOptions.setDryRun(dryRun());
diff --git a/src/app/qbs/parser/commandlineparser.h b/src/app/qbs/parser/commandlineparser.h
index 16994437c..e6a0dded7 100644
--- a/src/app/qbs/parser/commandlineparser.h
+++ b/src/app/qbs/parser/commandlineparser.h
@@ -54,6 +54,7 @@ public:
     QString commandName() const;
     QString commandDescription() const;
     QString projectFilePath() const;
+    QString projectBuildDirectory() const;
     BuildOptions buildOptions() const;
     CleanOptions cleanOptions() const;
     InstallOptions installOptions() const;