diff --git a/mercurial/help/internals/wireprotocol.txt b/mercurial/help/internals/wireprotocol.txt --- a/mercurial/help/internals/wireprotocol.txt +++ b/mercurial/help/internals/wireprotocol.txt @@ -1686,3 +1686,19 @@ changesets satisfied the request. TODO consider exposing phase of heads in response + +known +----- + +Determine whether a series of changeset nodes is known to the server. + +The command accepts the following arguments: + +nodes + (array of bytestrings) List of changeset nodes whose presence to + query. + +The response is a bytestring where each byte contains a 0 or 1 for the +corresponding requested node at the same index. + +TODO use a bit array for even more compact response diff --git a/mercurial/wireproto.py b/mercurial/wireproto.py --- a/mercurial/wireproto.py +++ b/mercurial/wireproto.py @@ -1041,7 +1041,8 @@ success = 0 return wireprototypes.bytesresponse('%d %s\n' % (success, r)) -@wireprotocommand('known', 'nodes *', permission='pull') +@wireprotocommand('known', 'nodes *', permission='pull', + transportpolicy=POLICY_V1_ONLY) def known(repo, proto, nodes, others): v = ''.join(b and '1' or '0' for b in repo.known(decodelist(nodes))) return wireprototypes.bytesresponse(v) @@ -1215,3 +1216,10 @@ repo = repo.filtered('immutable') return wireprototypes.cborresponse(repo.heads()) + +@wireprotocommand('known', 'nodes', permission='pull', + transportpolicy=POLICY_V2_ONLY) +def knownv2(repo, proto, nodes=None): + nodes = nodes or [] + result = b''.join(b'1' if n else b'0' for n in repo.known(nodes)) + return wireprototypes.cborresponse(result) diff --git a/tests/test-wireproto-command-known.t b/tests/test-wireproto-command-known.t new file mode 100644 --- /dev/null +++ b/tests/test-wireproto-command-known.t @@ -0,0 +1,121 @@ + $ . $TESTDIR/wireprotohelpers.sh + + $ hg init server + $ enablehttpv2 server + $ cd server + $ hg debugdrawdag << EOF + > C D + > |/ + > B + > | + > A + > EOF + + $ hg log -T '{rev}:{node} {desc}\n' + 3:be0ef73c17ade3fc89dc41701eb9fc3a91b58282 D + 2:26805aba1e600a82e93661149f2313866a221a7b C + 1:112478962961147124edd43549aedd1a335e44bf B + 0:426bada5c67598ca65036d57d9e4b64b0c1ce7a0 A + + $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log + $ cat hg.pid > $DAEMON_PIDS + +No arguments returns something reasonable + + $ sendhttpv2peer << EOF + > command known + > EOF + creating http peer for wire protocol version 2 + sending known command + s> POST /api/exp-http-v2-0001/ro/known HTTP/1.1\r\n + s> Accept-Encoding: identity\r\n + s> accept: application/mercurial-exp-framing-0003\r\n + s> content-type: application/mercurial-exp-framing-0003\r\n + s> content-length: 20\r\n + s> host: $LOCALIP:$HGPORT\r\n (glob) + s> user-agent: Mercurial debugwireproto\r\n + s> \r\n + s> \x0c\x00\x00\x01\x00\x01\x01\x11\xa1DnameEknown + s> makefile('rb', None) + s> HTTP/1.1 200 OK\r\n + s> Server: testing stub value\r\n + s> Date: $HTTP_DATE$\r\n + s> Content-Type: application/mercurial-exp-framing-0003\r\n + s> Transfer-Encoding: chunked\r\n + s> \r\n + s> 9\r\n + s> \x01\x00\x00\x01\x00\x02\x01F + s> @ + s> \r\n + received frame(size=1; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos|cbor) + s> 0\r\n + s> \r\n + response: [] + +Single known node works + + $ sendhttpv2peer << EOF + > command known + > nodes eval:[b'\x42\x6b\xad\xa5\xc6\x75\x98\xca\x65\x03\x6d\x57\xd9\xe4\xb6\x4b\x0c\x1c\xe7\xa0'] + > EOF + creating http peer for wire protocol version 2 + sending known command + s> POST /api/exp-http-v2-0001/ro/known HTTP/1.1\r\n + s> Accept-Encoding: identity\r\n + s> accept: application/mercurial-exp-framing-0003\r\n + s> content-type: application/mercurial-exp-framing-0003\r\n + s> content-length: 54\r\n + s> host: $LOCALIP:$HGPORT\r\n (glob) + s> user-agent: Mercurial debugwireproto\r\n + s> \r\n + s> .\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1Enodes\x81TBk\xad\xa5\xc6u\x98\xcae\x03mW\xd9\xe4\xb6K\x0c\x1c\xe7\xa0DnameEknown + s> makefile('rb', None) + s> HTTP/1.1 200 OK\r\n + s> Server: testing stub value\r\n + s> Date: $HTTP_DATE$\r\n + s> Content-Type: application/mercurial-exp-framing-0003\r\n + s> Transfer-Encoding: chunked\r\n + s> \r\n + s> a\r\n + s> \x02\x00\x00\x01\x00\x02\x01F + s> A1 + s> \r\n + received frame(size=2; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos|cbor) + s> 0\r\n + s> \r\n + response: [b'1'] + +Multiple nodes works + + $ sendhttpv2peer << EOF + > command known + > nodes eval:[b'\x42\x6b\xad\xa5\xc6\x75\x98\xca\x65\x03\x6d\x57\xd9\xe4\xb6\x4b\x0c\x1c\xe7\xa0', b'00000000000000000000', b'\x11\x24\x78\x96\x29\x61\x14\x71\x24\xed\xd4\x35\x49\xae\xdd\x1a\x33\x5e\x44\xbf'] + > EOF + creating http peer for wire protocol version 2 + sending known command + s> POST /api/exp-http-v2-0001/ro/known HTTP/1.1\r\n + s> Accept-Encoding: identity\r\n + s> accept: application/mercurial-exp-framing-0003\r\n + s> content-type: application/mercurial-exp-framing-0003\r\n + s> content-length: 96\r\n + s> host: $LOCALIP:$HGPORT\r\n (glob) + s> user-agent: Mercurial debugwireproto\r\n + s> \r\n + s> X\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1Enodes\x83TBk\xad\xa5\xc6u\x98\xcae\x03mW\xd9\xe4\xb6K\x0c\x1c\xe7\xa0T00000000000000000000T\x11$x\x96)a\x14q$\xed\xd45I\xae\xdd\x1a3^D\xbfDnameEknown + s> makefile('rb', None) + s> HTTP/1.1 200 OK\r\n + s> Server: testing stub value\r\n + s> Date: $HTTP_DATE$\r\n + s> Content-Type: application/mercurial-exp-framing-0003\r\n + s> Transfer-Encoding: chunked\r\n + s> \r\n + s> c\r\n + s> \x04\x00\x00\x01\x00\x02\x01F + s> C101 + s> \r\n + received frame(size=4; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos|cbor) + s> 0\r\n + s> \r\n + response: [b'101'] + + $ cat error.log