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Merge branch 'jk/http-server-protocol-versions'

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Taking advantage of the CGI interface, http-backend has been
updated to enable protocol v2 automatically when the other side
asks for it.

* jk/http-server-protocol-versions:
  docs/protocol-v2: point readers transport config discussion
  docs/git: discuss server-side config for GIT_PROTOCOL
  docs/http-backend: mention v2 protocol
  http-backend: handle HTTP_GIT_PROTOCOL CGI variable
  t5551: test v2-to-v0 http protocol fallback
This commit is contained in:
Junio C Hamano
2021-09-23 13:44:47 -07:00
parent b5866edf97 1b421e7a5a
commit cabb41d0f6
7 changed files with 73 additions and 4 deletions
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8
Documentation/technical/protocol-v2.txt
View File

@ -42,7 +42,8 @@ Initial Client Request
In general a client can request to speak protocol v2 by sending
`version=2` through the respective side-channel for the transport being
used which inevitably sets `GIT_PROTOCOL`. More information can be
found in `pack-protocol.txt` and `http-protocol.txt`. In all cases the
found in `pack-protocol.txt` and `http-protocol.txt`, as well as the
`GIT_PROTOCOL` definition in `git.txt`. In all cases the
response from the server is the capability advertisement.
Git Transport
@ -58,6 +59,8 @@ SSH and File Transport
When using either the ssh:// or file:// transport, the GIT_PROTOCOL
environment variable must be set explicitly to include "version=2".
The server may need to be configured to allow this environment variable
to pass.
HTTP Transport
~~~~~~~~~~~~~~
@ -84,6 +87,9 @@ Subsequent requests are then made directly to the service
Uses the `--http-backend-info-refs` option to
linkgit:git-upload-pack[1].
The server may need to be configured to pass this header's contents via
the `GIT_PROTOCOL` variable. See the discussion in `git-http-backend.txt`.
Capability Advertisement
------------------------