Allow to get qbs settings dir from env var

This feature will be useful for using qbs conan package at virtual
environment

Change-Id: I0d903d9696edcc9b339226deb2cb38de89e319f5
Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 14 insertions, 2 deletions

diff --git a/src/lib/corelib/tools/settingscreator.cpp b/src/lib/corelib/tools/settingscreator.cpp
index f94ae6f10..2cef0e5ce 100644
--- a/src/lib/corelib/tools/settingscreator.cpp
+++ b/src/lib/corelib/tools/settingscreator.cpp
@@ -53,14 +53,26 @@
 namespace qbs {
 namespace Internal {
 
+namespace {
+QString getBaseDir(QString baseDir) {
+    if (!baseDir.isEmpty())
+        return baseDir;
+
+    const char key[] = "QBS_SETTINGS_DIR";
+    if (qEnvironmentVariableIsSet(key))
+        return QLatin1String(qgetenv(key));
+
+    return {};
+}
+} // namespace
+
 static QSettings::Format format()
 {
     return HostOsInfo::isWindowsHost() ? QSettings::IniFormat : QSettings::NativeFormat;
 }
 
-
 SettingsCreator::SettingsCreator(QString baseDir)
-    : m_settingsBaseDir(std::move(baseDir))
+    : m_settingsBaseDir(getBaseDir(std::move(baseDir)))
     , m_qbsVersion(Version::fromString(QLatin1String(QBS_VERSION)))
 {
 }