Don't prepend project path to absolute filenames passed to setCommand (#5341)

compiler/scriptconfig.nim

@@ -110,10 +110,13 @@ proc setupVM*(module: PSym; cache: IdentCache; scriptName: string;
     let arg = a.getString 1
     if arg.len > 0:
       gProjectName = arg
+      let path =
+        if gProjectName.isAbsolute: gProjectName
+        else: gProjectPath / gProjectName
       try:
-        gProjectFull = canonicalizePath(gProjectPath / gProjectName)
+        gProjectFull = canonicalizePath(path)
       except OSError:
-        gProjectFull = gProjectName
+        gProjectFull = path
   cbconf getCommand:
     setResult(a, options.command)
   cbconf switch: