view README @ 7787:b8d750daadde

Introduce HG_PREPEND to solve pretxn races

- add writepending to flush delayed writes to separate file
- add support in hooks for lazy evaluation of callable parameters
- add HG_PENDING to pretxn hooks
  - call writepending if hook is used
  - pass repo root to hook environment
- if HG_PENDING = repo root, we're in pretxn hook
  - read pending data to make pending changesets visible
- filter HG_PENDING in tests/printenv.py

Basic install:

 $ make            # see install targets
 $ make install    # do a system-wide install
 $ hg debuginstall # sanity-check setup
 $ hg              # see help

See http://www.selenic.com/mercurial/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.