mirror of
https://github.com/facebook/sapling.git
synced 2024-10-07 15:27:13 +03:00
2fc45e80f1
Summary:
Neither gitnode() template nor gitnode() revset worked on the server. They
both called `hg.peer(repo, {}, 'default)` and since 'default' is not a valid
url these calls failed. To fix it let's wrap `localrepo.lookup()` and call
local repo instead of peer repo if we can't find default path.
Test Plan: arc unit
Reviewers: #mercurial, rmcelroy
Reviewed By: rmcelroy
Subscribers: mjpieters, #sourcecontrol
Differential Revision: https://phabricator.intern.facebook.com/D4794488
Tasks: 16848812
Signature: t1:4794488:1490795600:24269507f24613883406f0c1838fce302f86df58
88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
# gitrevset.py
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#
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# Copyright 2014 Facebook, Inc.
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"""map a git hash to a Mercurial hash:
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$ hg log -r 'gitnode($HASH)'
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$ hg id -r 'gitnode($HASH)'
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shortversion:
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$ hg log -r 'g$HASH'
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$ hg id -r 'g$HASH'
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"""
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from mercurial import extensions
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from mercurial import error
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from mercurial import hg
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from mercurial import registrar
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from mercurial import revset
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from mercurial.i18n import _
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import re
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githashre = re.compile('g([0-9a-fA-F]{40,40})')
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templatekeyword = registrar.templatekeyword()
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@templatekeyword("gitnode")
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def showgitnode(repo, ctx, templ, **args):
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"""Return the git revision corresponding to a given hg rev"""
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hexgitnode = _lookup_node(repo, ctx.hex(), from_scm_type='hg')
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# templates are expected to return an empty string when no
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# data exists
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return hexgitnode.encode('hex') if hexgitnode else ''
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def gitnode(repo, subset, x):
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"""``gitnode(id)``
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Return the hg revision corresponding to a given git rev."""
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l = revset.getargs(x, 1, 1, _("id requires one argument"))
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n = revset.getstring(l[0], _("id requires a string"))
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hexhgnode = _lookup_node(repo, n, from_scm_type='git')
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if not hexhgnode:
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raise error.RepoLookupError(_("unknown revision '%s'") % n)
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rev = repo[hexhgnode].rev()
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return subset.filter(lambda r: r == rev)
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def _lookup_node(repo, hexnode, from_scm_type):
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gitlookupnode = '_gitlookup_%s_%s' % (from_scm_type, hexnode)
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# ui.expandpath('default') returns 'default' if there is no default
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# path. This can be the case when command is ran on the server.
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# In that case let's run lookup() command locally.
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try:
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return repo.lookup(gitlookupnode)
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except error.RepoLookupError:
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# Note: RepoLookupError is caught here because repo.lookup()
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# can throw only this exception.
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peerpath = repo.ui.expandpath('default')
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# sshing can cause junk 'remote: ...' output to stdout, so we need to
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# redirect it temporarily so automation can parse the result easily.
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oldfout = repo.ui.fout
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try:
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repo.baseui.fout = repo.ui.ferr
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remoterepo = hg.peer(repo, {}, peerpath)
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return remoterepo.lookup(gitlookupnode)
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except error.RepoError:
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# Note: RepoError can be thrown by hg.peer(), RepoLookupError
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# can be thrown by remoterepo.lookup(). RepoLookupError is a
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# subclass of RepoError so catching just error.RepoError is enough.
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return None
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finally:
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repo.baseui.fout = oldfout
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def overridestringset(orig, repo, subset, x):
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m = githashre.match(x)
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if m is not None:
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return gitnode(repo, subset, ('string', m.group(1)))
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return orig(repo, subset, x)
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def extsetup(ui):
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revset.symbols['gitnode'] = gitnode
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extensions.wrapfunction(revset, 'stringset', overridestringset)
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revset.symbols['stringset'] = revset.stringset
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revset.methods['string'] = revset.stringset
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revset.methods['symbol'] = revset.stringset
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