merge with crew-stable

Added test for commands.dispatch (especially 88803a69b24)

test-context.py: Don't create second repo instance (fixed since 7b5723c95a82)

fancyopts: Copy list arguments in command table before modifying. Before this, executing commands.dispatch(['log', '-r', '0']) commands.dispatch(['log', '-r', 'tip']) would look like: hg log -r 0 hg log -r 0 -r tip Reported by TK Soh, patch by Alexis S. L. Carvalho

Print less scary message if the system supports symlinks: "Skipping test-no-symlinks: system supports symbolic links" instead of "Skipping test-no-symlinks: unexpected feature: symbolic links"

Hide absolute path from test-no-symlinks output. And add missing eol and remove trailing space which where introduced by the patches adding this test.

Make a few portability improvements to path auditing code.

Make audit_path more stringent. The following properties of a path are now checked for: - under top-level .hg - starts at the root of a windows drive - contains ".." - traverses a symlink (e.g. a/symlink_here/b) - inside a nested repository If any of these is true, the path is rejected. The check for traversing a symlink is arguably stricter than necessary; perhaps we should be checking for symlinks that point outside the repository.

mq: teach qpop about symlinks

debugstate: print symlinks as 'lnk', not '777'