OK, steps are ok now but a strange thing occurs :
After your lines, I open textmate2, and I can see in bundles menu “corona sdk” (but nothing in prefrences/bundles)
I open a .lua file, it asks me to associate with lua, installs 2 bundles, and pooff ! corona sdk bundle disappears … (nothing in preferences/bundles nothing in bundles menu)
So I made a direct copy of the bundle to Application Support/Textmate/Managed/Bundles, now I can see it [import]uid: 9328 topic_id: 2269 reply_id: 122987[/import]