|
|
# archival.py - revision archival for mercurial
|
|
|
#
|
|
|
# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2, incorporated herein by reference.
|
|
|
|
|
|
from i18n import _
|
|
|
from node import hex
|
|
|
import cmdutil
|
|
|
import util
|
|
|
import cStringIO, os, stat, tarfile, time, zipfile
|
|
|
import zlib, gzip
|
|
|
|
|
|
def tidyprefix(dest, prefix, suffixes):
|
|
|
'''choose prefix to use for names in archive. make sure prefix is
|
|
|
safe for consumers.'''
|
|
|
|
|
|
if prefix:
|
|
|
prefix = util.normpath(prefix)
|
|
|
else:
|
|
|
if not isinstance(dest, str):
|
|
|
raise ValueError('dest must be string if no prefix')
|
|
|
prefix = os.path.basename(dest)
|
|
|
lower = prefix.lower()
|
|
|
for sfx in suffixes:
|
|
|
if lower.endswith(sfx):
|
|
|
prefix = prefix[:-len(sfx)]
|
|
|
break
|
|
|
lpfx = os.path.normpath(util.localpath(prefix))
|
|
|
prefix = util.pconvert(lpfx)
|
|
|
if not prefix.endswith('/'):
|
|
|
prefix += '/'
|
|
|
if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix:
|
|
|
raise util.Abort(_('archive prefix contains illegal components'))
|
|
|
return prefix
|
|
|
|
|
|
class tarit(object):
|
|
|
'''write archive to tar file or stream. can write uncompressed,
|
|
|
or compress with gzip or bzip2.'''
|
|
|
|
|
|
class GzipFileWithTime(gzip.GzipFile):
|
|
|
|
|
|
def __init__(self, *args, **kw):
|
|
|
timestamp = None
|
|
|
if 'timestamp' in kw:
|
|
|
timestamp = kw.pop('timestamp')
|
|
|
if timestamp is None:
|
|
|
self.timestamp = time.time()
|
|
|
else:
|
|
|
self.timestamp = timestamp
|
|
|
gzip.GzipFile.__init__(self, *args, **kw)
|
|
|
|
|
|
def _write_gzip_header(self):
|
|
|
self.fileobj.write('\037\213') # magic header
|
|
|
self.fileobj.write('\010') # compression method
|
|
|
# Python 2.6 deprecates self.filename
|
|
|
fname = getattr(self, 'name', None) or self.filename
|
|
|
flags = 0
|
|
|
if fname:
|
|
|
flags = gzip.FNAME
|
|
|
self.fileobj.write(chr(flags))
|
|
|
gzip.write32u(self.fileobj, long(self.timestamp))
|
|
|
self.fileobj.write('\002')
|
|
|
self.fileobj.write('\377')
|
|
|
if fname:
|
|
|
self.fileobj.write(fname + '\000')
|
|
|
|
|
|
def __init__(self, dest, prefix, mtime, kind=''):
|
|
|
self.prefix = tidyprefix(dest, prefix, ['.tar', '.tar.bz2', '.tar.gz',
|
|
|
'.tgz', '.tbz2'])
|
|
|
self.mtime = mtime
|
|
|
|
|
|
def taropen(name, mode, fileobj=None):
|
|
|
if kind == 'gz':
|
|
|
mode = mode[0]
|
|
|
if not fileobj:
|
|
|
fileobj = open(name, mode + 'b')
|
|
|
gzfileobj = self.GzipFileWithTime(name, mode + 'b',
|
|
|
zlib.Z_BEST_COMPRESSION,
|
|
|
fileobj, timestamp=mtime)
|
|
|
return tarfile.TarFile.taropen(name, mode, gzfileobj)
|
|
|
else:
|
|
|
return tarfile.open(name, mode + kind, fileobj)
|
|
|
|
|
|
if isinstance(dest, str):
|
|
|
self.z = taropen(dest, mode='w:')
|
|
|
else:
|
|
|
# Python 2.5-2.5.1 have a regression that requires a name arg
|
|
|
self.z = taropen(name='', mode='w|', fileobj=dest)
|
|
|
|
|
|
def addfile(self, name, mode, islink, data):
|
|
|
i = tarfile.TarInfo(self.prefix + name)
|
|
|
i.mtime = self.mtime
|
|
|
i.size = len(data)
|
|
|
if islink:
|
|
|
i.type = tarfile.SYMTYPE
|
|
|
i.mode = 0777
|
|
|
i.linkname = data
|
|
|
data = None
|
|
|
i.size = 0
|
|
|
else:
|
|
|
i.mode = mode
|
|
|
data = cStringIO.StringIO(data)
|
|
|
self.z.addfile(i, data)
|
|
|
|
|
|
def done(self):
|
|
|
self.z.close()
|
|
|
|
|
|
class tellable(object):
|
|
|
'''provide tell method for zipfile.ZipFile when writing to http
|
|
|
response file object.'''
|
|
|
|
|
|
def __init__(self, fp):
|
|
|
self.fp = fp
|
|
|
self.offset = 0
|
|
|
|
|
|
def __getattr__(self, key):
|
|
|
return getattr(self.fp, key)
|
|
|
|
|
|
def write(self, s):
|
|
|
self.fp.write(s)
|
|
|
self.offset += len(s)
|
|
|
|
|
|
def tell(self):
|
|
|
return self.offset
|
|
|
|
|
|
class zipit(object):
|
|
|
'''write archive to zip file or stream. can write uncompressed,
|
|
|
or compressed with deflate.'''
|
|
|
|
|
|
def __init__(self, dest, prefix, mtime, compress=True):
|
|
|
self.prefix = tidyprefix(dest, prefix, ('.zip',))
|
|
|
if not isinstance(dest, str):
|
|
|
try:
|
|
|
dest.tell()
|
|
|
except (AttributeError, IOError):
|
|
|
dest = tellable(dest)
|
|
|
self.z = zipfile.ZipFile(dest, 'w',
|
|
|
compress and zipfile.ZIP_DEFLATED or
|
|
|
zipfile.ZIP_STORED)
|
|
|
self.date_time = time.gmtime(mtime)[:6]
|
|
|
|
|
|
def addfile(self, name, mode, islink, data):
|
|
|
i = zipfile.ZipInfo(self.prefix + name, self.date_time)
|
|
|
i.compress_type = self.z.compression
|
|
|
# unzip will not honor unix file modes unless file creator is
|
|
|
# set to unix (id 3).
|
|
|
i.create_system = 3
|
|
|
ftype = stat.S_IFREG
|
|
|
if islink:
|
|
|
mode = 0777
|
|
|
ftype = stat.S_IFLNK
|
|
|
i.external_attr = (mode | ftype) << 16L
|
|
|
self.z.writestr(i, data)
|
|
|
|
|
|
def done(self):
|
|
|
self.z.close()
|
|
|
|
|
|
class fileit(object):
|
|
|
'''write archive as files in directory.'''
|
|
|
|
|
|
def __init__(self, name, prefix, mtime):
|
|
|
if prefix:
|
|
|
raise util.Abort(_('cannot give prefix when archiving to files'))
|
|
|
self.basedir = name
|
|
|
self.opener = util.opener(self.basedir)
|
|
|
|
|
|
def addfile(self, name, mode, islink, data):
|
|
|
if islink:
|
|
|
self.opener.symlink(data, name)
|
|
|
return
|
|
|
f = self.opener(name, "w", atomictemp=True)
|
|
|
f.write(data)
|
|
|
f.rename()
|
|
|
destfile = os.path.join(self.basedir, name)
|
|
|
os.chmod(destfile, mode)
|
|
|
|
|
|
def done(self):
|
|
|
pass
|
|
|
|
|
|
archivers = {
|
|
|
'files': fileit,
|
|
|
'tar': tarit,
|
|
|
'tbz2': lambda name, prefix, mtime: tarit(name, prefix, mtime, 'bz2'),
|
|
|
'tgz': lambda name, prefix, mtime: tarit(name, prefix, mtime, 'gz'),
|
|
|
'uzip': lambda name, prefix, mtime: zipit(name, prefix, mtime, False),
|
|
|
'zip': zipit,
|
|
|
}
|
|
|
|
|
|
def archive(repo, dest, node, kind, decode=True, matchfn=None,
|
|
|
prefix=None, mtime=None):
|
|
|
'''create archive of repo as it was at node.
|
|
|
|
|
|
dest can be name of directory, name of archive file, or file
|
|
|
object to write archive to.
|
|
|
|
|
|
kind is type of archive to create.
|
|
|
|
|
|
decode tells whether to put files through decode filters from
|
|
|
hgrc.
|
|
|
|
|
|
matchfn is function to filter names of files to write to archive.
|
|
|
|
|
|
prefix is name of path to put before every archive member.'''
|
|
|
|
|
|
def write(name, mode, islink, getdata):
|
|
|
if matchfn and not matchfn(name): return
|
|
|
data = getdata()
|
|
|
if decode:
|
|
|
data = repo.wwritedata(name, data)
|
|
|
archiver.addfile(name, mode, islink, data)
|
|
|
|
|
|
if kind not in archivers:
|
|
|
raise util.Abort(_("unknown archive type '%s'") % kind)
|
|
|
|
|
|
ctx = repo[node]
|
|
|
archiver = archivers[kind](dest, prefix, mtime or ctx.date()[0])
|
|
|
|
|
|
if repo.ui.configbool("ui", "archivemeta", True):
|
|
|
def metadata():
|
|
|
base = 'repo: %s\nnode: %s\nbranch: %s\n' % (
|
|
|
hex(repo.changelog.node(0)), hex(node), ctx.branch())
|
|
|
|
|
|
tags = ''.join('tag: %s\n' % t for t in ctx.tags()
|
|
|
if repo.tagtype(t) == 'global')
|
|
|
if not tags:
|
|
|
repo.ui.pushbuffer()
|
|
|
opts = {'template': '{latesttag}\n{latesttagdistance}',
|
|
|
'style': '', 'patch': None, 'git': None}
|
|
|
cmdutil.show_changeset(repo.ui, repo, opts).show(ctx)
|
|
|
ltags, dist = repo.ui.popbuffer().split('\n')
|
|
|
tags = ''.join('latesttag: %s\n' % t for t in ltags.split(':'))
|
|
|
tags += 'latesttagdistance: %s\n' % dist
|
|
|
|
|
|
return base + tags
|
|
|
|
|
|
write('.hg_archival.txt', 0644, False, metadata)
|
|
|
|
|
|
for f in ctx:
|
|
|
ff = ctx.flags(f)
|
|
|
write(f, 'x' in ff and 0755 or 0644, 'l' in ff, ctx[f].data)
|
|
|
archiver.done()
|
|
|
|
