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merge(3p/git): Merge git subtree at v2.29.2

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This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
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49
third_party/git/Documentation/technical/pack-protocol.txt vendored
View file

@ -96,7 +96,7 @@ Basically what the Git client is doing to connect to an 'upload-pack'
process on the server side over the Git protocol is this:
$ echo -e -n \
"0039git-upload-pack /schacon/gitbook.git\0host=example.com\0" |
"003agit-upload-pack /schacon/gitbook.git\0host=example.com\0" |
nc -v example.com 9418
@ -171,9 +171,9 @@ with a version number (if "version=1" is sent as an Extra Parameter),
and a listing of each reference it has (all branches and tags) along
with the object name that each reference currently points to.
$ echo -e -n "0044git-upload-pack /schacon/gitbook.git\0host=example.com\0\0version=1\0" |
$ echo -e -n "0045git-upload-pack /schacon/gitbook.git\0host=example.com\0\0version=1\0" |
nc -v example.com 9418
000aversion 1
000eversion 1
00887217a7c7e582c46cec22a130adf4b9d7d950fba0 HEAD\0multi_ack thin-pack
side-band side-band-64k ofs-delta shallow no-progress include-tag
00441d3fcd5ced445d1abc402225c0b8a1299641f497 refs/heads/integration
@ -503,8 +503,8 @@ The reference discovery phase is done nearly the same way as it is in the
fetching protocol. Each reference obj-id and name on the server is sent
in packet-line format to the client, followed by a flush-pkt. The only
real difference is that the capability listing is different - the only
possible values are 'report-status', 'delete-refs', 'ofs-delta' and
'push-options'.
possible values are 'report-status', 'report-status-v2', 'delete-refs',
'ofs-delta', 'atomic' and 'push-options'.
Reference Update Request and Packfile Transfer
----------------------------------------------
@ -625,7 +625,7 @@ Report Status
-------------
After receiving the pack data from the sender, the receiver sends a
report if 'report-status' capability is in effect.
report if 'report-status' or 'report-status-v2' capability is in effect.
It is a short listing of what happened in that update. It will first
list the status of the packfile unpacking as either 'unpack ok' or
'unpack [error]'. Then it will list the status for each of the references
@ -644,7 +644,42 @@ update was successful, or 'ng [refname] [error]' if the update was not.
command-ok = PKT-LINE("ok" SP refname)
command-fail = PKT-LINE("ng" SP refname SP error-msg)
error-msg = 1*(OCTECT) ; where not "ok"
error-msg = 1*(OCTET) ; where not "ok"
----
The 'report-status-v2' capability extends the protocol by adding new option
lines in order to support reporting of reference rewritten by the
'proc-receive' hook. The 'proc-receive' hook may handle a command for a
pseudo-reference which may create or update one or more references, and each
reference may have different name, different new-oid, and different old-oid.
----
report-status-v2 = unpack-status
1*(command-status-v2)
flush-pkt
unpack-status = PKT-LINE("unpack" SP unpack-result)
unpack-result = "ok" / error-msg
command-status-v2 = command-ok-v2 / command-fail
command-ok-v2 = command-ok
*option-line
command-ok = PKT-LINE("ok" SP refname)
command-fail = PKT-LINE("ng" SP refname SP error-msg)
error-msg = 1*(OCTET) ; where not "ok"
option-line = *1(option-refname)
*1(option-old-oid)
*1(option-new-oid)
*1(option-forced-update)
option-refname = PKT-LINE("option" SP "refname" SP refname)
option-old-oid = PKT-LINE("option" SP "old-oid" SP obj-id)
option-new-oid = PKT-LINE("option" SP "new-oid" SP obj-id)
option-force = PKT-LINE("option" SP "forced-update")
----
Updates can be unsuccessful for a number of reasons. The reference can have