|
|
#
|
|
|
# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms
|
|
|
# of the GNU General Public License, incorporated herein by reference.
|
|
|
|
|
|
import cStringIO, zlib, tempfile, errno, os, sys
|
|
|
from mercurial import util, streamclone
|
|
|
from mercurial.node import bin, hex
|
|
|
from mercurial import changegroup as changegroupmod
|
|
|
from common import HTTP_OK, HTTP_NOT_FOUND, HTTP_SERVER_ERROR
|
|
|
|
|
|
# __all__ is populated with the allowed commands. Be sure to add to it if
|
|
|
# you're adding a new command, or the new command won't work.
|
|
|
|
|
|
__all__ = [
|
|
|
'lookup', 'heads', 'branches', 'between', 'changegroup',
|
|
|
'changegroupsubset', 'capabilities', 'unbundle', 'stream_out',
|
|
|
]
|
|
|
|
|
|
HGTYPE = 'application/mercurial-0.1'
|
|
|
|
|
|
def lookup(repo, req):
|
|
|
try:
|
|
|
r = hex(repo.lookup(req.form['key'][0]))
|
|
|
success = 1
|
|
|
except Exception,inst:
|
|
|
r = str(inst)
|
|
|
success = 0
|
|
|
resp = "%s %s\n" % (success, r)
|
|
|
req.respond(HTTP_OK, HGTYPE, length=len(resp))
|
|
|
yield resp
|
|
|
|
|
|
def heads(repo, req):
|
|
|
resp = " ".join(map(hex, repo.heads())) + "\n"
|
|
|
req.respond(HTTP_OK, HGTYPE, length=len(resp))
|
|
|
yield resp
|
|
|
|
|
|
def branches(repo, req):
|
|
|
nodes = []
|
|
|
if 'nodes' in req.form:
|
|
|
nodes = map(bin, req.form['nodes'][0].split(" "))
|
|
|
resp = cStringIO.StringIO()
|
|
|
for b in repo.branches(nodes):
|
|
|
resp.write(" ".join(map(hex, b)) + "\n")
|
|
|
resp = resp.getvalue()
|
|
|
req.respond(HTTP_OK, HGTYPE, length=len(resp))
|
|
|
yield resp
|
|
|
|
|
|
def between(repo, req):
|
|
|
if 'pairs' in req.form:
|
|
|
pairs = [map(bin, p.split("-"))
|
|
|
for p in req.form['pairs'][0].split(" ")]
|
|
|
resp = cStringIO.StringIO()
|
|
|
for b in repo.between(pairs):
|
|
|
resp.write(" ".join(map(hex, b)) + "\n")
|
|
|
resp = resp.getvalue()
|
|
|
req.respond(HTTP_OK, HGTYPE, length=len(resp))
|
|
|
yield resp
|
|
|
|
|
|
def changegroup(repo, req):
|
|
|
req.respond(HTTP_OK, HGTYPE)
|
|
|
nodes = []
|
|
|
|
|
|
if 'roots' in req.form:
|
|
|
nodes = map(bin, req.form['roots'][0].split(" "))
|
|
|
|
|
|
z = zlib.compressobj()
|
|
|
f = repo.changegroup(nodes, 'serve')
|
|
|
while 1:
|
|
|
chunk = f.read(4096)
|
|
|
if not chunk:
|
|
|
break
|
|
|
yield z.compress(chunk)
|
|
|
|
|
|
yield z.flush()
|
|
|
|
|
|
def changegroupsubset(repo, req):
|
|
|
req.respond(HTTP_OK, HGTYPE)
|
|
|
bases = []
|
|
|
heads = []
|
|
|
|
|
|
if 'bases' in req.form:
|
|
|
bases = [bin(x) for x in req.form['bases'][0].split(' ')]
|
|
|
if 'heads' in req.form:
|
|
|
heads = [bin(x) for x in req.form['heads'][0].split(' ')]
|
|
|
|
|
|
z = zlib.compressobj()
|
|
|
f = repo.changegroupsubset(bases, heads, 'serve')
|
|
|
while 1:
|
|
|
chunk = f.read(4096)
|
|
|
if not chunk:
|
|
|
break
|
|
|
yield z.compress(chunk)
|
|
|
|
|
|
yield z.flush()
|
|
|
|
|
|
def capabilities(repo, req):
|
|
|
caps = ['lookup', 'changegroupsubset']
|
|
|
if repo.ui.configbool('server', 'uncompressed', untrusted=True):
|
|
|
caps.append('stream=%d' % repo.changelog.version)
|
|
|
if changegroupmod.bundlepriority:
|
|
|
caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority))
|
|
|
rsp = ' '.join(caps)
|
|
|
req.respond(HTTP_OK, HGTYPE, length=len(rsp))
|
|
|
yield rsp
|
|
|
|
|
|
def unbundle(repo, req):
|
|
|
|
|
|
proto = req.env.get('wsgi.url_scheme') or 'http'
|
|
|
their_heads = req.form['heads'][0].split(' ')
|
|
|
|
|
|
def check_heads():
|
|
|
heads = map(hex, repo.heads())
|
|
|
return their_heads == [hex('force')] or their_heads == heads
|
|
|
|
|
|
# fail early if possible
|
|
|
if not check_heads():
|
|
|
req.drain()
|
|
|
raise ErrorResponse(HTTP_OK, 'unsynced changes')
|
|
|
|
|
|
# do not lock repo until all changegroup data is
|
|
|
# streamed. save to temporary file.
|
|
|
|
|
|
fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
|
|
|
fp = os.fdopen(fd, 'wb+')
|
|
|
try:
|
|
|
length = int(req.env['CONTENT_LENGTH'])
|
|
|
for s in util.filechunkiter(req, limit=length):
|
|
|
fp.write(s)
|
|
|
|
|
|
try:
|
|
|
lock = repo.lock()
|
|
|
try:
|
|
|
if not check_heads():
|
|
|
raise ErrorResponse(HTTP_OK, 'unsynced changes')
|
|
|
|
|
|
fp.seek(0)
|
|
|
header = fp.read(6)
|
|
|
if header.startswith('HG') and not header.startswith('HG10'):
|
|
|
raise ValueError('unknown bundle version')
|
|
|
elif header not in changegroupmod.bundletypes:
|
|
|
raise ValueError('unknown bundle compression type')
|
|
|
gen = changegroupmod.unbundle(header, fp)
|
|
|
|
|
|
# send addchangegroup output to client
|
|
|
|
|
|
oldio = sys.stdout, sys.stderr
|
|
|
sys.stderr = sys.stdout = cStringIO.StringIO()
|
|
|
|
|
|
try:
|
|
|
url = 'remote:%s:%s' % (proto,
|
|
|
req.env.get('REMOTE_HOST', ''))
|
|
|
try:
|
|
|
ret = repo.addchangegroup(gen, 'serve', url)
|
|
|
except util.Abort, inst:
|
|
|
sys.stdout.write("abort: %s\n" % inst)
|
|
|
ret = 0
|
|
|
finally:
|
|
|
val = sys.stdout.getvalue()
|
|
|
sys.stdout, sys.stderr = oldio
|
|
|
req.respond(HTTP_OK, HGTYPE)
|
|
|
return '%d\n%s' % (ret, val),
|
|
|
finally:
|
|
|
del lock
|
|
|
except ValueError, inst:
|
|
|
raise ErrorResponse(HTTP_OK, inst)
|
|
|
except (OSError, IOError), inst:
|
|
|
filename = getattr(inst, 'filename', '')
|
|
|
# Don't send our filesystem layout to the client
|
|
|
if filename.startswith(repo.root):
|
|
|
filename = filename[len(repo.root)+1:]
|
|
|
else:
|
|
|
filename = ''
|
|
|
error = getattr(inst, 'strerror', 'Unknown error')
|
|
|
if inst.errno == errno.ENOENT:
|
|
|
code = HTTP_NOT_FOUND
|
|
|
else:
|
|
|
code = HTTP_SERVER_ERROR
|
|
|
raise ErrorResponse(code, '%s: %s' % (error, filename))
|
|
|
finally:
|
|
|
fp.close()
|
|
|
os.unlink(tempname)
|
|
|
|
|
|
def stream_out(repo, req):
|
|
|
req.respond(HTTP_OK, HGTYPE)
|
|
|
try:
|
|
|
for chunk in streamclone.stream_out(repo, untrusted=True):
|
|
|
yield chunk
|
|
|
except streamclone.StreamException, inst:
|
|
|
yield str(inst)
|
|
|
|