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| author |  Junio C Hamano <gitster@pobox.com> | 2019-01-14 11:16:04 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2019-01-14 11:16:04 -0800 |
| commit | 17069c7fae20f5e3082ee639066a37de5af6030e (patch) | |
| tree | 52b612da693386eae08a4d87540c15744d468b13 /Documentation/technical | |
| parent | First batch after 2.20.1 (diff) | |
| parent | pack-protocol.txt: accept error packets in any context (diff) | |
| download | tgif-17069c7fae20f5e3082ee639066a37de5af6030e.tar.xz | |
Merge branch 'ms/packet-err-check' into jt/fetch-v2-sideband
* ms/packet-err-check:
pack-protocol.txt: accept error packets in any context
Use packet_reader instead of packet_read_line
Diffstat (limited to 'Documentation/technical')
| -rw-r--r-- | Documentation/technical/pack-protocol.txt | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt index 6ac774d5f6..7a2375a55d 100644 --- a/Documentation/technical/pack-protocol.txt +++ b/Documentation/technical/pack-protocol.txt @@ -22,6 +22,16 @@ protocol-common.txt. When the grammar indicate `PKT-LINE(...)`, unless otherwise noted the usual pkt-line LF rules apply: the sender SHOULD include a LF, but the receiver MUST NOT complain if it is not present. +An error packet is a special pkt-line that contains an error string. + +---- + error-line = PKT-LINE("ERR" SP explanation-text) +---- + +Throughout the protocol, where `PKT-LINE(...)` is expected, an error packet MAY +be sent. Once this packet is sent by a client or a server, the data transfer +process defined in this protocol is terminated. + Transports ---------- There are three transports over which the packfile protocol is @@ -89,13 +99,6 @@ process on the server side over the Git protocol is this: "0039git-upload-pack /schacon/gitbook.git\0host=example.com\0" | nc -v example.com 9418 -If the server refuses the request for some reasons, it could abort -gracefully with an error message. - ----- - error-line = PKT-LINE("ERR" SP explanation-text) ----- - SSH Transport ------------- @@ -398,12 +401,11 @@ from the client). Then the server will start sending its packfile data. ---- - server-response = *ack_multi ack / nak / error-line + server-response = *ack_multi ack / nak ack_multi = PKT-LINE("ACK" SP obj-id ack_status) ack_status = "continue" / "common" / "ready" ack = PKT-LINE("ACK" SP obj-id) nak = PKT-LINE("NAK") - error-line = PKT-LINE("ERR" SP explanation-text) ---- A simple clone may look like this (with no 'have' lines): |