graft: always allow hg graft --base . (
issue6248)
`hg graft --base . -r abc` is rejected before this change with a
"nothing to merge" error, if `abc` does not descend from `.`.
This looks like an artifact of the implementation rather than intended
behavior. It makes perfect sense to apply the diff between `.` and
`abc` to the working copy (i.e. degenerate into `hg revert`),
regardless of what `abc` is.
Differential Revision: https://phab.mercurial-scm.org/D8127
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
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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
Running without installing::
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
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