view README @ 27862:b2145c195f24

transaction: turn a transaction into a Python context manager

This lets us greatly simply acquire/release cycles.

If the block completes without raising an exception, the transaction
is closed.

Code pattern before:

  try:
    tr = repo.transaction('x')
    # zillions of lines of code
    tr.close()
  finally:
    tr.release()

And after:

  with tr.transaction('x'):
    # ...

Mercurial
=========

Mercurial is a fast, easy to use, distributed revision control tool
for software developers.

Basic install:

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

Running without installing:

 $ make local      # build for inplace usage
 $ ./hg --version  # should show the latest version

See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.