ProjectExplorer: Make BuildSystem:Name variable available

... for use in the default build dir template.

Task-number: QTCREATORBUG-26147
Change-Id: I1a32d60e0d5e2db514ac315c48c615c55ccda51f
Reviewed-by: hjk <hjk@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp

@@ -1369,8 +1369,8 @@ FilePath CMakeBuildConfiguration::shadowBuildDirectory(const FilePath &projectFi
 
     const QString projectName = projectFilePath.parentDir().fileName();
     const FilePath projectDir = Project::projectDirectory(projectFilePath);
-    FilePath buildPath = BuildConfiguration::buildDirectoryFromTemplate(projectDir,
+    FilePath buildPath = buildDirectoryFromTemplate(projectDir, projectFilePath, projectName, k,
-        projectFilePath, projectName, k, bcName, buildType);
+                                                    bcName, buildType, "cmake");
 
     if (CMakeGeneratorKitAspect::isMultiConfigGenerator(k)) {
         QString path = buildPath.path();

src/plugins/mesonprojectmanager/project/mesonbuildconfiguration.cpp

@@ -83,9 +83,8 @@ FilePath MesonBuildConfiguration::shadowBuildDirectory(const FilePath &projectFi
         return {};
 
     const QString projectName = projectFilePath.parentDir().fileName();
-    return BuildConfiguration::buildDirectoryFromTemplate(
+    return buildDirectoryFromTemplate(Project::projectDirectory(projectFilePath), projectFilePath,
-        Project::projectDirectory(projectFilePath),
+                                      projectName, k, bcName, buildType, "meson");
-        projectFilePath, projectName, k, bcName, buildType);
 }
 
 ProjectExplorer::BuildSystem *MesonBuildConfiguration::buildSystem() const

src/plugins/nim/project/nimbuildconfiguration.cpp

@@ -53,7 +53,7 @@ static FilePath defaultBuildDirectory(const Kit *k,
 {
     return BuildConfiguration::buildDirectoryFromTemplate(
         projectFilePath.parentDir(), projectFilePath, projectFilePath.baseName(),
-        k, bc, buildType);
+        k, bc, buildType, "nim");
 }
 
 NimBuildConfiguration::NimBuildConfiguration(Target *target, Utils::Id id)

src/plugins/projectexplorer/buildconfiguration.cpp

@@ -604,7 +604,8 @@ FilePath BuildConfiguration::buildDirectoryFromTemplate(const FilePath &projectD
                                                         const QString &projectName,
                                                         const Kit *kit,
                                                         const QString &bcName,
-                                                        BuildType buildType)
+                                                        BuildType buildType,
+                                                        const QString &buildSystem)
 {
     MacroExpander exp;
 
@@ -630,6 +631,10 @@ FilePath BuildConfiguration::buildDirectoryFromTemplate(const FilePath &projectD
                          QCoreApplication::translate(
                              "ProjectExplorer", "Name of the project's active build configuration"),
                          [bcName] { return bcName; });
+    exp.registerVariable("BuildSystem:Name",
+                         QCoreApplication::translate(
+                             "ProjectExplorer", "Name of the project's active build system"),
+                         [buildSystem] { return buildSystem; });
     exp.registerVariable("CurrentBuild:Type",
                          QCoreApplication::translate("ProjectExplorer", "Type of current build"),
                          [buildType] { return buildTypeName(buildType); }, false);

src/plugins/projectexplorer/buildconfiguration.h

@@ -115,7 +115,8 @@ public:
                                                       const QString &projectName,
                                                       const Kit *kit,
                                                       const QString &bcName,
-                                                      BuildType buildType);
+                                                      BuildType buildType,
+                                                      const QString &buildSystem);
 
     bool isActive() const;
 

src/plugins/projectexplorer/project.cpp

@@ -454,7 +454,8 @@ bool Project::copySteps(Target *sourceTarget, Target *newTarget)
         newBc->setBuildDirectory(BuildConfiguration::buildDirectoryFromTemplate(
                     project->projectDirectory(), project->projectFilePath(),
                     project->displayName(), newTarget->kit(),
-                    sourceBc->displayName(), sourceBc->buildType()));
+                    sourceBc->displayName(), sourceBc->buildType(),
+                    sourceBc->buildSystem()->name()));
         newTarget->addBuildConfiguration(newBc);
         if (sourceTarget->activeBuildConfiguration() == sourceBc)
             SessionManager::setActiveBuildConfiguration(newTarget, newBc, SetActive::NoCascade);

src/plugins/qbsprojectmanager/qbsbuildconfiguration.cpp

@@ -65,7 +65,7 @@ static FilePath defaultBuildDirectory(const FilePath &projectFilePath, const Kit
     const QString projectName = projectFilePath.completeBaseName();
     return BuildConfiguration::buildDirectoryFromTemplate(
                 Project::projectDirectory(projectFilePath),
-                projectFilePath, projectName, k, bcName, buildType);
+                projectFilePath, projectName, k, bcName, buildType, "qbs");
 }
 
 // ---------------------------------------------------------------------------

src/plugins/qbsprojectmanager/qbsprojectimporter.cpp

@@ -89,7 +89,7 @@ static FilePath buildDir(const FilePath &projectFilePath, const Kit *k)
     const QString projectName = projectFilePath.completeBaseName();
     return BuildConfiguration::buildDirectoryFromTemplate(
                 Project::projectDirectory(projectFilePath),
-                projectFilePath, projectName, k, QString(), BuildConfiguration::Unknown);
+                projectFilePath, projectName, k, QString(), BuildConfiguration::Unknown, "qbs");
 }
 
 static bool hasBuildGraph(const QString &dir)

src/plugins/qmakeprojectmanager/qmakebuildconfiguration.cpp

@@ -103,8 +103,8 @@ FilePath QmakeBuildConfiguration::shadowBuildDirectory(const FilePath &proFilePa
         return {};
 
     const QString projectName = proFilePath.completeBaseName();
-    return BuildConfiguration::buildDirectoryFromTemplate(
+    return buildDirectoryFromTemplate(Project::projectDirectory(proFilePath), proFilePath,
-        Project::projectDirectory(proFilePath), proFilePath, projectName, k, suffix, buildType);
+                                      projectName, k, suffix, buildType, "qmake");
 }
 
 const char BUILD_CONFIGURATION_KEY[] = "Qt4ProjectManager.Qt4BuildConfiguration.BuildConfiguration";