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- rHGe9ee540af434: scmutil: make revpair() return context objects (API)
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This is an archive of the discontinued Mercurial Phabricator instance.
Differential D3006
scmutil: make revpair() return context objects (API)ClosedPublic
scmutil: make revpair() return context objects (API)
ClosedPublic
Authored by martinvonz on Apr 1 2018, 3:10 AM.
Revision Contents
Revision Contents
| Path | Packages | |||
|---|---|---|---|---|
| M | mercurial/scmutil.py (9 lines) |
| Status | Author | Revision | |
|---|---|---|---|
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz | ||
| Closed | martinvonz |
Diff 7486
Diff 7486
mercurial/scmutil.py
| raise error.Abort(_('empty revision set')) | raise error.Abort(_('empty revision set')) | ||||
| return repo[l.last()] | return repo[l.last()] | ||||
| def _pairspec(revspec): | def _pairspec(revspec): | ||||
| tree = revsetlang.parse(revspec) | tree = revsetlang.parse(revspec) | ||||
| return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') | return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') | ||||
| def revpairnodes(repo, revs): | def revpairnodes(repo, revs): | ||||
| return revpair(repo, revs) | ctx1, ctx2 = revpair(repo, revs) | ||||
| return ctx1.node(), ctx2.node() | |||||
| def revpair(repo, revs): | def revpair(repo, revs): | ||||
| if not revs: | if not revs: | ||||
| return repo.dirstate.p1(), None | return repo['.'], repo[None] | ||||
| l = revrange(repo, revs) | l = revrange(repo, revs) | ||||
| if not l: | if not l: | ||||
| first = second = None | first = second = None | ||||
| elif l.isascending(): | elif l.isascending(): | ||||
| first = l.min() | first = l.min() | ||||
| second = l.max() | second = l.max() | ||||
| elif l.isdescending(): | elif l.isdescending(): | ||||
| first = l.max() | first = l.max() | ||||
| second = l.min() | second = l.min() | ||||
| else: | else: | ||||
| first = l.first() | first = l.first() | ||||
| second = l.last() | second = l.last() | ||||
| if first is None: | if first is None: | ||||
| raise error.Abort(_('empty revision range')) | raise error.Abort(_('empty revision range')) | ||||
| if (first == second and len(revs) >= 2 | if (first == second and len(revs) >= 2 | ||||
| and not all(revrange(repo, [r]) for r in revs)): | and not all(revrange(repo, [r]) for r in revs)): | ||||
| raise error.Abort(_('empty revision on one side of range')) | raise error.Abort(_('empty revision on one side of range')) | ||||
| # if top-level is range expression, the result must always be a pair | # if top-level is range expression, the result must always be a pair | ||||
| if first == second and len(revs) == 1 and not _pairspec(revs[0]): | if first == second and len(revs) == 1 and not _pairspec(revs[0]): | ||||
| return repo.lookup(first), None | return repo[first], repo[None] | ||||
| return repo.lookup(first), repo.lookup(second) | return repo[first], repo[second] | ||||
| def revrange(repo, specs, localalias=None): | def revrange(repo, specs, localalias=None): | ||||
| """Execute 1 to many revsets and return the union. | """Execute 1 to many revsets and return the union. | ||||
| This is the preferred mechanism for executing revsets using user-specified | This is the preferred mechanism for executing revsets using user-specified | ||||
| config options, such as revset aliases. | config options, such as revset aliases. | ||||
| The revsets specified by ``specs`` will be executed via a chained ``OR`` | The revsets specified by ``specs`` will be executed via a chained ``OR`` | ||||