run-tests: update .t reference output after reading the test
The .t file is both test input and reference output. They should always
match. However we have different code paths to read reference output
(Test.__init__ -> Test.readrefout) and test input (TTest._run) so they might
be inconsistent if somethings change the file between those two functions.
This patch assigns "lines" read by "_run" back to "_refout" if "_refout" is
not None (with --debug, see Test.readrefout) so reference output and test
input will always match.
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
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See https://mercurial-scm.org/ for detailed installation
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