Fix bdiff test failures on AIX. The test fails when, in the call to calloc(), the number of elements (bn) is 0. In that case, calloc() on AIX will return NULL, while the code expects a valid heap pointer. Both results are permissible under C99, Unix98 etc. Work around by ensuring that at least 1 element is requested.

workaround for raw_input() on Windows Since change a3fe91b4f6eb, Mercurial has set_binary() on stdin, stdout, and stderr. On Windows, this had the side effect of causing raw_input() to emit trailing carriage returns on it's returned strings. This was causing web authentication problems.

Merge with crew-stable

utils_win32: calling SHGetPathFromIDList under NT is useless and broken The call was done under NT when running as a service (CGI script for instance) and always crash, even in interactive processes.

copy: handle rename internally - add rename parameter - don't collect copied list - report "moving" rather than "copying" - remove renamed files - don't return copied list - simplify callers

copy: move rename logic

copy: simplify inner copy - save dirstate lookup and exists check - do all fs work inside a single dryrun clause - move unlinking into inner copy section - move target dir creation - eliminate undelete mess - fix a bug on mv a -> b -> a after merge

copy: minor cleanups - add after and dryrun variables - add some comments

copy: propagate errors properly

copy: refactor okaytocopy into walkpat - rename core copy function to copyfile - move origsrc details into copyfile - turn okaytocopy loop into walkpat

copy: fix copying back with -A (issue836)

hgwebdir: refactor inner loop

hgwebdir: split out templater creation

hgwebdir: split out makeindex function, facilitate test failure diagnosis