Test symlink handling on platform not supporting them

hghave: feature absence can be checked by prefixing with 'no-'

Fix hgwebdir after 9858477ed74cce9dc8f4069f9453a1bda0e13ba1 broke it.

CVS import: Support new-style .cvspass-file format. Based on an email from Ralf.Leibold at nuance dot com

Remove trailing spaces

Update on pull -u when heads were closed (fixes issue666). Patch written by Benoit Boissinot. This should probably be improved in the future to handle long-living branches, as joining two "other" heads will switch to that new head. But this is not a new problem, as adding to the "other" head would have switched to that new head, too.

gitweb: add notfound template

Add message to test output if a test is aborted due to a timeout. Without this an aborted test could produce an empty .err file so the diff looks like as if all lines of the .out files are just missing for some unknown reason.

Fix issue 653: symlinks checkout failure on non-supporting platforms

test-oldcgi: replace shebangs with explicit python calls to help pysh.

test-issue352: skip tests if platform does not support EOL in paths.

hghave: detect support for EOL in paths.

test-git-import: fake executable permissions.

hghave: detect executable permission availability.

test-clone-failure: fake output upon fifo unavailabity

hghave: detect FIFO availability

Skip test-archive-symlinks if symlinks are not available

posixfile_nt: '+' should allow read access. This fixes unexpected I/O error on committing many files due to cset:8a53b39cd402 (r4902 in crew).

posixfile_nt: '+' was understood as read mode instead of update.

httprepo: quote the path part of the URL This should fix a 'hg clone "http://hg.example.org/path with spaces/"' The code tries to do the right thing when the user passes a path that's already escaped in part (e.g. "http://hg.example.org/path%20with spaces/"). If we're redirected, urllib2 will happily follow the URL it's given without escaping anything. I'm not sure what we would have to hook to work around that.

dirstate: fix rebuild; add a test If rebuild calls invalidate, it will just queue a (re)read of the dirstate file, while what we really want is to empty the current state.

hgweb: don't use os.path.join to build URL parts

hgwebdir: change os.sep in the name of repos to "/"

Simplify/correct finding the hg executable (fixes issue644) Simply use find_exe('hg') as the default value for $HG and require to manually set it if you have special requirements. While the default will not always be 100% correct (i.e. the identical hg version) for many users it is and for the others the hg executable found in the PATH should do most things correctly. Developers or other users with multiple installs can set $HG or run something like util.set_hgexecutable in their shell or python scripts. Additionally util.hgexecutable() is now available so extensions can access the value with a public interface, too.

archive: abort on empty repository. Fixes #624.

Merge with -stable

merge: avoid double deletion mentioned in issue636

merge with hg-stable