exchange: use v2 bundles for modern compression engines (issue5506)
Previously, `hg bundle zstd` on a non-generaldelta repo would
attempt to use a v1 bundle. This would fail because zstd is not
supported on v1 bundles.
This patch changes the behavior to automatically use a v2 bundle
when the user explicitly requests a bundlespec that is a compression
engine not supported on v1. If the bundlespec is <engine>-v1, it is
still explicitly rejected because that request cannot be fulfilled.
#!/usr/bin/env python
# Copyright 2010 Intevation GmbH
# Author(s):
# Thomas Arendsen Hein <thomas@intevation.de>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""Create a Mercurial repository in revlog format 0
changeset: 0:a1ef0b125355
tag: tip
user: user
date: Thu Jan 01 00:00:00 1970 +0000
files: empty
description:
empty file
"""
from __future__ import absolute_import
import os
import sys
files = [
('formatv0/.hg/00changelog.i',
'000000000000004400000000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'0000a1ef0b125355d27765928be600cfe85784284ab3'),
('formatv0/.hg/00changelog.d',
'756163613935613961356635353036303562366138343738336237'
'61623536363738616436356635380a757365720a3020300a656d70'
'74790a0a656d7074792066696c65'),
('formatv0/.hg/00manifest.i',
'000000000000003000000000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'0000aca95a9a5f550605b6a84783b7ab56678ad65f58'),
('formatv0/.hg/00manifest.d',
'75656d707479006238306465356431333837353835343163356630'
'35323635616431343461623966613836643164620a'),
('formatv0/.hg/data/empty.i',
'000000000000000000000000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'0000b80de5d138758541c5f05265ad144ab9fa86d1db'),
('formatv0/.hg/data/empty.d',
''),
]
def makedirs(name):
"""recursive directory creation"""
parent = os.path.dirname(name)
if parent:
makedirs(parent)
os.mkdir(name)
makedirs(os.path.join(*'formatv0/.hg/data'.split('/')))
for name, data in files:
f = open(name, 'wb')
f.write(data.decode('hex'))
f.close()
sys.exit(0)