tests: use a different evil name in test-hgweb-raw.t The test used a filename with ':' which prevented the test from running on Windows and FAT. It now uses a filename with space and '%' and will thus still exercise proper url escaping.

tests: add some missing #if's / hghave requirements Seen on Linux with FAT.

tests: introduce hghave hardlinks Some tests can't be run on FAT filesystems because it doesn't support hardlinks.

tests/hghave: test that the inotify unix socket actually can be created Inotify do not work on FAT filesystems.

tests/hghave: test that a fifo actually can be created on the filesystem Some tests were failing on FAT filesystems.

tests/hghave: consistently use dir='.', prefix=tempprefix for tempfiles Some feature tests were done in the wrong directory and could thus give the wrong result.

test-merge-tools: adapt for Windows