paths: merge conditions that select visibility of fields Truth table (extracted from the original implementation): search quiet name path subopt ------ ----- ---- ---- ------ f f T T T f T T f f T f f T f T T f f f

paths: use single loop for both search=None|pattern cases This will help porting to the formatter API. This patch adds test for empty pathitems to make sure "hg paths" never say "not found!".

paths: reorder else clause for readability of subsequent patches This prepares for porting to the formatter API. Future patches will use a single loop to handle both search=None|pattern cases because formatter output should be the same. "pathitems" will be switched instead.