bundle: do no check the changegroup version if no changegroup is included
We don't need to check the compatibility of something we will not use.
In practice this was getting in the was of `streamv2` bundles on a narrow
repository as the 'cg.version=02' value was rejected by this checks.
# Extension dedicated to test patch.diff() upgrade modes
from mercurial import (
error,
logcmdutil,
patch,
pycompat,
registrar,
scmutil,
)
cmdtable = {}
command = registrar.command(cmdtable)
@command(
b'autodiff',
[(b'', b'git', b'', b'git upgrade mode (yes/no/auto/warn/abort)')],
b'[OPTION]... [FILE]...',
)
def autodiff(ui, repo, *pats, **opts):
opts = pycompat.byteskwargs(opts)
diffopts = patch.difffeatureopts(ui, opts)
git = opts.get(b'git', b'no')
brokenfiles = set()
losedatafn = None
if git in (b'yes', b'no'):
diffopts.git = git == b'yes'
diffopts.upgrade = False
elif git == b'auto':
diffopts.git = False
diffopts.upgrade = True
elif git == b'warn':
diffopts.git = False
diffopts.upgrade = True
def losedatafn(fn=None, **kwargs):
brokenfiles.add(fn)
return True
elif git == b'abort':
diffopts.git = False
diffopts.upgrade = True
def losedatafn(fn=None, **kwargs):
raise error.Abort(b'losing data for %s' % fn)
else:
raise error.Abort(b'--git must be yes, no or auto')
ctx1, ctx2 = logcmdutil.revpair(repo, [])
m = scmutil.match(ctx2, pats, opts)
it = patch.diff(
repo,
ctx1.node(),
ctx2.node(),
match=m,
opts=diffopts,
losedatafn=losedatafn,
)
for chunk in it:
ui.write(chunk)
for fn in sorted(brokenfiles):
ui.write((b'data lost for: %s\n' % fn))