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Shortened commands.revrange() a little bit, added docstring.

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This commit is contained in:
Thomas Arendsen Hein 2005-08-26 15:26:44 +02:00
parent 2aa584e2ac
commit c5a48bb80d
1 changed files with 3 additions and 7 deletions
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10
mercurial/commands.py
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@ -125,6 +125,7 @@ def walkchangerevs(ui, repo, cwd, pats, opts):
revrangesep = ':'
def revrange(ui, repo, revs, revlog=None):
"""Yield revision as strings from a list of revision specifications."""
if revlog is None:
revlog = repo.changelog
revcount = revlog.count()
@ -153,13 +154,8 @@ def revrange(ui, repo, revs, revlog=None):
start, end = spec.split(revrangesep, 1)
start = fix(start, 0)
end = fix(end, revcount - 1)
if end > start:
end += 1
step = 1
else:
end -= 1
step = -1
for rev in xrange(start, end, step):
step = start > end and -1 or 1
for rev in xrange(start, end+step, step):
yield str(rev)
else:
yield str(fix(spec, None))