revert: introduce short option -C for --no-backup
Corresponds to -C of the update command.
It's much more convenient to use:
$ hg revert -aC
than having to type
$ hg revert -a --no-backup
I think the 'no-backup' case is a frequent use case.
Introducing short option -C here fits with the muscle memory we have from
'hg update -C', which is described there as "discard uncommitted changes
(no backup)".
Mercurial
=========
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Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
See http://mercurial.selenic.com/ for detailed installation
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