added support for alternate linux pathways

tfscript/cli.py

@@ -114,10 +114,9 @@ def getTargetDir(systemName):
                 + ' like TF2 do not run. tfscript will run, but you can\'t run TF2'
                 + ' on this system',
                 category=RuntimeWarning )
-            return None
         return expanduser('~/Library/Application Support/Steam')
 
-    elif systemName == 'Windows':
+    if systemName == 'Windows':
         # oh god why do we have to use the registry
         accessReg = ConnectRegistry(None, HKEY_LOCAL_MACHINE)
         accessKey = OpenKey(accessReg, 'SOFTWARE\\WOW6432Node\\Valve\\Steam')
@@ -125,17 +124,23 @@ def getTargetDir(systemName):
         while True:
             try:
                 accessSubkeyName, data, _ = EnumValue(accessKey, keyNum)
-                if accessSubkeyName == 'InstallPath':
-                    return data
             except EnvironmentError:
                 break
-            keyNum += 1
+            else:
+                if accessSubkeyName == 'InstallPath':
+                    return data
+                keyNum += 1
         return None
 
-    elif systemName == 'Linux':
-        return expanduser('~/.local/share/Steam')
+    if systemName == 'Linux':
+        homedir = expanduser('~')
+        for potentialdir in ['.steam/steam', '.local/share/Steam']:
+            fullTargetPath = normpath(f'{homedir}/{potentialdir}')
+            if isdir(fullTargetPath):
+                return fullTargetPath
+        return None
 
-    elif systemName == 'Java':
+    if systemName == 'Java':
         warn('Java-based OSes are not supported yet by tfscript.', category=RuntimeWarning)
 
     return None