Fix how setup.py identifies the Mercurial version.
There is a problem with setup.py where it will not identify the Mercurial
version properly when not being ran in within a repository even if
mercurial/__version__.py exists.
To fix, use mercurial.__version__.version when available before defaulting
to "unknown". (Using mercurial.util.version() is not an option due to a
dependency issue where osutil can be referenced before it is built.)
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
% "Mainstream" import p1.patch
1 files updated, 0 files merged, 2 files removed, 0 files unresolved
applying p1.patch
% Rebase
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
nothing changed
saving bundle to
adding branch
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
rebase completed
@ 3 P0 tags: p0.patch qtip tip qbase
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o 2 P1 tags: qparent
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o 1 R1 tags:
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o 0 C1 tags: