copies: add config option for writing copy metadata to file and/or changset
This introduces a config option that lets you choose to write copy
metadata to the changeset extras instead of to filelog. There's also
an option to write it to both places. I imagine that may possibly be
useful when transitioning an existing repo.
The copy metadata is stored as two fields in extras: one for copies
since p1 and one for copies since p2.
I may need to add more information later in order to make copy tracing
faster. Specifically, I'm thinking out recording which files were
added or removed so that copies._chaincopies() doesn't have to look at
the manifest for that. But that would just be an optimization and that
can be added once we know if it's necessary.
I have also considered saving space by using replacing the destination
file path by an index into the "files" list, but that can also be
changed later (but before the feature is ready to release).
Differential Revision: https://phab.mercurial-scm.org/D6183
# Since it's not easy to write a test that portably deals
# with files from different users/groups, we cheat a bit by
# monkey-patching some functions in the util module
from __future__ import absolute_import, print_function
import os
import sys
from mercurial import (
error,
pycompat,
ui as uimod,
util,
)
from mercurial.utils import stringutil
hgrc = os.environ['HGRCPATH']
f = open(hgrc, 'rb')
basehgrc = f.read()
f.close()
def _maybesysstr(v):
if isinstance(v, bytes):
return pycompat.sysstr(v)
return pycompat.sysstr(stringutil.pprint(v))
def bprint(*args, **kwargs):
print(*[_maybesysstr(a) for a in args],
**{k: _maybesysstr(v) for k, v in kwargs.items()})
# avoid awkward interleaving with ui object's output
sys.stdout.flush()
def testui(user=b'foo', group=b'bar', tusers=(), tgroups=(),
cuser=b'foo', cgroup=b'bar', debug=False, silent=False,
report=True):
# user, group => owners of the file
# tusers, tgroups => trusted users/groups
# cuser, cgroup => user/group of the current process
# write a global hgrc with the list of trusted users/groups and
# some setting so that we can be sure it was read
f = open(hgrc, 'wb')
f.write(basehgrc)
f.write(b'\n[paths]\n')
f.write(b'global = /some/path\n\n')
if tusers or tgroups:
f.write(b'[trusted]\n')
if tusers:
f.write(b'users = %s\n' % b', '.join(tusers))
if tgroups:
f.write(b'groups = %s\n' % b', '.join(tgroups))
f.close()
# override the functions that give names to uids and gids
def username(uid=None):
if uid is None:
return cuser
return user
util.username = username
def groupname(gid=None):
if gid is None:
return b'bar'
return group
util.groupname = groupname
def isowner(st):
return user == cuser
util.isowner = isowner
# try to read everything
#print '# File belongs to user %s, group %s' % (user, group)
#print '# trusted users = %s; trusted groups = %s' % (tusers, tgroups)
kind = (b'different', b'same')
who = (b'', b'user', b'group', b'user and the group')
trusted = who[(user in tusers) + 2*(group in tgroups)]
if trusted:
trusted = b', but we trust the ' + trusted
bprint(b'# %s user, %s group%s' % (kind[user == cuser],
kind[group == cgroup],
trusted))
u = uimod.ui.load()
# disable the configuration registration warning
#
# the purpose of this test is to check the old behavior, not to validate the
# behavior from registered item. so we silent warning related to unregisted
# config.
u.setconfig(b'devel', b'warn-config-unknown', False, b'test')
u.setconfig(b'devel', b'all-warnings', False, b'test')
u.setconfig(b'ui', b'debug', pycompat.bytestr(bool(debug)))
u.setconfig(b'ui', b'report_untrusted', pycompat.bytestr(bool(report)))
u.readconfig(b'.hg/hgrc')
if silent:
return u
bprint(b'trusted')
for name, path in u.configitems(b'paths'):
bprint(b' ', name, b'=', util.pconvert(path))
bprint(b'untrusted')
for name, path in u.configitems(b'paths', untrusted=True):
bprint(b'.', end=b' ')
u.config(b'paths', name) # warning with debug=True
bprint(b'.', end=b' ')
u.config(b'paths', name, untrusted=True) # no warnings
bprint(name, b'=', util.pconvert(path))
print()
return u
os.mkdir(b'repo')
os.chdir(b'repo')
os.mkdir(b'.hg')
f = open(b'.hg/hgrc', 'wb')
f.write(b'[paths]\n')
f.write(b'local = /another/path\n\n')
f.close()
#print '# Everything is run by user foo, group bar\n'
# same user, same group
testui()
# same user, different group
testui(group=b'def')
# different user, same group
testui(user=b'abc')
# ... but we trust the group
testui(user=b'abc', tgroups=[b'bar'])
# different user, different group
testui(user=b'abc', group=b'def')
# ... but we trust the user
testui(user=b'abc', group=b'def', tusers=[b'abc'])
# ... but we trust the group
testui(user=b'abc', group=b'def', tgroups=[b'def'])
# ... but we trust the user and the group
testui(user=b'abc', group=b'def', tusers=[b'abc'], tgroups=[b'def'])
# ... but we trust all users
bprint(b'# we trust all users')
testui(user=b'abc', group=b'def', tusers=[b'*'])
# ... but we trust all groups
bprint(b'# we trust all groups')
testui(user=b'abc', group=b'def', tgroups=[b'*'])
# ... but we trust the whole universe
bprint(b'# we trust all users and groups')
testui(user=b'abc', group=b'def', tusers=[b'*'], tgroups=[b'*'])
# ... check that users and groups are in different namespaces
bprint(b"# we don't get confused by users and groups with the same name")
testui(user=b'abc', group=b'def', tusers=[b'def'], tgroups=[b'abc'])
# ... lists of user names work
bprint(b"# list of user names")
testui(user=b'abc', group=b'def', tusers=[b'foo', b'xyz', b'abc', b'bleh'],
tgroups=[b'bar', b'baz', b'qux'])
# ... lists of group names work
bprint(b"# list of group names")
testui(user=b'abc', group=b'def', tusers=[b'foo', b'xyz', b'bleh'],
tgroups=[b'bar', b'def', b'baz', b'qux'])
bprint(b"# Can't figure out the name of the user running this process")
testui(user=b'abc', group=b'def', cuser=None)
bprint(b"# prints debug warnings")
u = testui(user=b'abc', group=b'def', cuser=b'foo', debug=True)
bprint(b"# report_untrusted enabled without debug hides warnings")
u = testui(user=b'abc', group=b'def', cuser=b'foo', report=False)
bprint(b"# report_untrusted enabled with debug shows warnings")
u = testui(user=b'abc', group=b'def', cuser=b'foo', debug=True, report=False)
bprint(b"# ui.readconfig sections")
filename = b'foobar'
f = open(filename, 'wb')
f.write(b'[foobar]\n')
f.write(b'baz = quux\n')
f.close()
u.readconfig(filename, sections=[b'foobar'])
bprint(u.config(b'foobar', b'baz'))
print()
bprint(b"# read trusted, untrusted, new ui, trusted")
u = uimod.ui.load()
# disable the configuration registration warning
#
# the purpose of this test is to check the old behavior, not to validate the
# behavior from registered item. so we silent warning related to unregisted
# config.
u.setconfig(b'devel', b'warn-config-unknown', False, b'test')
u.setconfig(b'devel', b'all-warnings', False, b'test')
u.setconfig(b'ui', b'debug', b'on')
u.readconfig(filename)
u2 = u.copy()
def username(uid=None):
return b'foo'
util.username = username
u2.readconfig(b'.hg/hgrc')
bprint(b'trusted:')
bprint(u2.config(b'foobar', b'baz'))
bprint(b'untrusted:')
bprint(u2.config(b'foobar', b'baz', untrusted=True))
print()
bprint(b"# error handling")
def assertraises(f, exc=error.Abort):
try:
f()
except exc as inst:
bprint(b'raised', inst.__class__.__name__)
else:
bprint(b'no exception?!')
bprint(b"# file doesn't exist")
os.unlink(b'.hg/hgrc')
assert not os.path.exists(b'.hg/hgrc')
testui(debug=True, silent=True)
testui(user=b'abc', group=b'def', debug=True, silent=True)
print()
bprint(b"# parse error")
f = open(b'.hg/hgrc', 'wb')
f.write(b'foo')
f.close()
# This is a hack to remove b'' prefixes from ParseError.__bytes__ on
# Python 3.
def normalizeparseerror(e):
if pycompat.ispy3:
args = [a.decode('utf-8') for a in e.args]
else:
args = e.args
return error.ParseError(*args)
try:
testui(user=b'abc', group=b'def', silent=True)
except error.ParseError as inst:
bprint(normalizeparseerror(inst))
try:
testui(debug=True, silent=True)
except error.ParseError as inst:
bprint(normalizeparseerror(inst))
print()
bprint(b'# access typed information')
with open(b'.hg/hgrc', 'wb') as f:
f.write(b'''\
[foo]
sub=main
sub:one=one
sub:two=two
path=monty/python
bool=true
int=42
bytes=81mb
list=spam,ham,eggs
''')
u = testui(user=b'abc', group=b'def', cuser=b'foo', silent=True)
def configpath(section, name, default=None, untrusted=False):
path = u.configpath(section, name, default, untrusted)
if path is None:
return None
return util.pconvert(path)
bprint(b'# suboptions, trusted and untrusted')
trusted = u.configsuboptions(b'foo', b'sub')
untrusted = u.configsuboptions(b'foo', b'sub', untrusted=True)
bprint(
(trusted[0], sorted(trusted[1].items())),
(untrusted[0], sorted(untrusted[1].items())))
bprint(b'# path, trusted and untrusted')
bprint(configpath(b'foo', b'path'), configpath(b'foo', b'path', untrusted=True))
bprint(b'# bool, trusted and untrusted')
bprint(u.configbool(b'foo', b'bool'),
u.configbool(b'foo', b'bool', untrusted=True))
bprint(b'# int, trusted and untrusted')
bprint(
u.configint(b'foo', b'int', 0),
u.configint(b'foo', b'int', 0, untrusted=True))
bprint(b'# bytes, trusted and untrusted')
bprint(
u.configbytes(b'foo', b'bytes', 0),
u.configbytes(b'foo', b'bytes', 0, untrusted=True))
bprint(b'# list, trusted and untrusted')
bprint(
u.configlist(b'foo', b'list', []),
u.configlist(b'foo', b'list', [], untrusted=True))