Enable demandimport only in scripts, not in importable modules (issue605) This way other applications can choose if and when they want this feature, because it might be problematic if those applications rely on ImportError.

adding a
assuming destination a-hg
initializing destination a-hg repository
scanning source...
sorting...
converting...
4 a
3 b
2 c
1 d
0 e
pulling from ../a
searching for changes
no changes found