SDKtool: Enable operation on filenames again and improve help text

Change-Id: Icc447745ddbd4bd75b4805f42593e2ee1621e28e
Reviewed-by: Christoph Sterz <christoph.sterz@kdab.com>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/tools/sdktool/addkeysoperation.cpp

@@ -39,9 +39,8 @@ QString AddKeysOperation::helpText() const
 
 QString AddKeysOperation::argumentsHelpText() const
 {
-    return QLatin1String("A file (profiles, qtversions or toolchains) followed by one or more Tuples\n"
-                         "<KEY> <TYPE>:<VALUE> are required. KEY needs to start with\n"
-                         "the name of the file to insert data into (minus the .xml extension).");
+    return QLatin1String("A file (relative to top-level settings directory and without .xml extension)\n"
+                         "followed by one or more Tuples <KEY> <TYPE>:<VALUE> are required.\n");
 }
 
 bool AddKeysOperation::setArguments(const QStringList &args)

src/tools/sdktool/findkeyoperation.cpp

@@ -39,7 +39,8 @@ QString FindKeyOperation::helpText() const
 
 QString FindKeyOperation::argumentsHelpText() const
 {
-    return QLatin1String("A file (profiles, qtversions or toolchains) followed by one or more keys to search for.\n");
+    return QLatin1String("A file (relative to top-level settings directory and without .xml extension)\n"
+                         "followed by one or more keys to search for.\n");
 }
 
 bool FindKeyOperation::setArguments(const QStringList &args)

src/tools/sdktool/findvalueoperation.cpp

@@ -39,7 +39,8 @@ QString FindValueOperation::helpText() const
 
 QString FindValueOperation::argumentsHelpText() const
 {
-    return QLatin1String("A file (profiles, qtversions or toolchains) followed by one or more type:value tupels to search for.\n");
+    return QLatin1String("A file (relative to top-level settings directory and without .xml extension)\n"
+                         "followed by one or more type:value tupels to search for.\n");
 }
 
 bool FindValueOperation::setArguments(const QStringList &args)

src/tools/sdktool/getoperation.cpp

@@ -39,7 +39,8 @@ QString GetOperation::helpText() const
 
 QString GetOperation::argumentsHelpText() const
 {
-    return QLatin1String("A file (profiles, qtversions or toolchains) followed by one or more keys to list.\n");
+    return QLatin1String("A file (relative to top-level settings directory and without .xml extension)\n"
+                         "followed by one or more keys to list.\n");
 }
 
 bool GetOperation::setArguments(const QStringList &args)

src/tools/sdktool/rmkeysoperation.cpp

@@ -39,7 +39,8 @@ QString RmKeysOperation::helpText() const
 
 QString RmKeysOperation::argumentsHelpText() const
 {
-    return QLatin1String("A file (profiles, qtversions or toolchains) followed by one or more keys to remove.\n");
+    return QLatin1String("A file (relative to top-level settings directory and without .xml extension)\n"
+                         "followed by one or more keys to remove.\n");
 }
 
 bool RmKeysOperation::setArguments(const QStringList &args)

src/tools/sdktool/settings.cpp

@@ -70,7 +70,7 @@ Utils::FileName Settings::getPath(const QString &file)
     else if (identical.contains(lowerFile))
         result.appendPath(lowerFile);
     else
-        return Utils::FileName();
+        result.appendPath(file); // handle arbitrary file names not known yet
     result.appendString(".xml");
     return result;
 }