def unbundle(repo, proto, heads):
their_heads = decodelist(heads)
def check_heads():
heads = repo.heads()
heads_hash = util.sha1(''.join(sorted(heads))).digest()
return (their_heads == ['force'] or their_heads == heads
or their_heads == ['hashed', heads_hash])
proto.redirect()
# fail early if possible
if not check_heads():
return pusherr('unsynced changes')
# write bundle data to temporary file because it can be big
fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
fp = os.fdopen(fd, 'wb+')
r = 0
try:
proto.getfile(fp)
lock = repo.lock()
try:
if not check_heads():
# someone else committed/pushed/unbundled while we
# were transferring data
return pusherr('unsynced changes')
# push can proceed
fp.seek(0)
gen = changegroupmod.readbundle(fp, None)
try:
r = repo.addchangegroup(gen,
'serve',
proto._client(),
lock=lock)
except util.Abort, inst:
sys.stderr.write("abort: %s\n" % inst)
finally:
lock.release()
return pushres(r)
finally:
fp.close()
os.unlink(tempname)
def unbundle(repo, proto, heads):
their_heads = decodelist(heads)
def check_heads():
heads = repo.heads()
heads_hash = util.sha1(''.join(sorted(heads))).digest()
return (their_heads == ['force'] or their_heads == heads or
their_heads == ['hashed', heads_hash])
proto.redirect()
# fail early if possible
if not check_heads():
return pusherr('unsynced changes')
# write bundle data to temporary file because it can be big
fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
fp = os.fdopen(fd, 'wb+')
r = 0
try:
proto.getfile(fp)
lock = repo.lock()
try:
if not check_heads():
# someone else committed/pushed/unbundled while we
# were transferring data
return pusherr('unsynced changes')
# push can proceed
fp.seek(0)
gen = changegroupmod.readbundle(fp, None)
try:
r = repo.addchangegroup(gen, 'serve', proto._client(),
lock=lock)
except util.Abort, inst:
sys.stderr.write("abort: %s\n" % inst)
finally:
lock.release()
return pushres(r)
finally:
fp.close()
os.unlink(tempname)
def stream(repo, proto):
'''If the server supports streaming clone, it advertises the "stream"
capability with a value representing the version and flags of the repo
it is serving. Client checks to see if it understands the format.
The format is simple: the server writes out a line with the amount
of files, then the total amount of bytes to be transfered (separated
by a space). Then, for each file, the server first writes the filename
and filesize (separated by the null character), then the file contents.
'''
if not _allowstream(repo.ui):
return '1\n'
entries = []
total_bytes = 0
try:
# get consistent snapshot of repo, lock during scan
lock = repo.lock()
try:
repo.ui.debug('scanning\n')
for name, ename, size in repo.store.walk():
entries.append((name, size))
total_bytes += size
finally:
lock.release()
except error.LockError:
return '2\n' # error: 2
def streamer(repo, entries, total):
'''stream out all metadata files in repository.'''
yield '0\n' # success
repo.ui.debug('%d files, %d bytes to transfer\n' %
(len(entries), total_bytes))
yield '%d %d\n' % (len(entries), total_bytes)
for name, size in entries:
repo.ui.debug('sending %s (%d bytes)\n' % (name, size))
# partially encode name over the wire for backwards compat
yield '%s\0%d\n' % (store.encodedir(name), size)
for chunk in util.filechunkiter(repo.sopener(name), limit=size):
yield chunk
return streamres(streamer(repo, entries, total_bytes))
def stream(repo, proto):
'''If the server supports streaming clone, it advertises the "stream"
capability with a value representing the version and flags of the repo
it is serving. Client checks to see if it understands the format.
The format is simple: the server writes out a line with the amount
of files, then the total amount of bytes to be transfered (separated
by a space). Then, for each file, the server first writes the filename
and filesize (separated by the null character), then the file contents.
'''
if not _allowstream(repo.ui):
return '1\n'
entries = []
total_bytes = 0
try:
# get consistent snapshot of repo, lock during scan
lock = repo.lock()
try:
repo.ui.debug('scanning\n')
for name, ename, size in repo.store.walk():
entries.append((name, size))
total_bytes += size
finally:
lock.release()
except error.LockError:
return '2\n' # error: 2
def streamer(repo, entries, total):
'''stream out all metadata files in repository.'''
yield '0\n' # success
repo.ui.debug('%d files, %d bytes to transfer\n' %
(len(entries), total_bytes))
yield '%d %d\n' % (len(entries), total_bytes)
for name, size in entries:
repo.ui.debug('sending %s (%d bytes)\n' % (name, size))
# partially encode name over the wire for backwards compat
yield '%s\0%d\n' % (store.encodedir(name), size)
for chunk in util.filechunkiter(repo.sopener(name), limit=size):
yield chunk
return streamres(streamer(repo, entries, total_bytes))
