view tests/test-hg-parseurl.py.out @ 24108:d65ecb814fc0 stable

shellquote: fix missing quotes for empty string

"hg kdiff3 -rREV" did not work because 1642eb429536 and 5edb387158a1 failed
to handle empty argument.

http://example.com/no/anchor, branches: (None, [])
http://example.com/an/anchor, branches: ('foo', [])
http://example.com/no/anchor/branches, branches: (None, ['foo'])
http://example.com/an/anchor/branches, branches: ('bar', ['foo'])
http://example.com/an/anchor/branches-None, branches: ('foo', [])
http://example.com/, branches: (None, [])
http://example.com/, branches: (None, [])
http://example.com/, branches: ('foo', [])