Staging
v0.8.1
v0.8.1
https://github.com/git/git
- v2.9.5
- v2.9.4
- v2.9.3
- v2.9.2
- v2.9.1
- v2.9.0-rc2
- v2.9.0-rc1
- v2.9.0-rc0
- v2.9.0
- v2.8.6
- v2.8.5
- v2.8.4
- v2.8.3
- v2.8.2
- v2.8.1
- v2.8.0-rc4
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- v2.8.0
- v2.7.6
- v2.7.5
- v2.7.4
- v2.7.3
- v2.7.2
- v2.7.1
- v2.7.0-rc3
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- v2.7.0
- v2.6.7
- v2.6.6
- v2.6.5
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- v2.6.1
- v2.6.0-rc3
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- v2.6.0
- v2.5.6
- v2.5.5
- v2.5.4
- v2.5.3
- v2.5.2
- v2.5.1
- v2.5.0-rc3
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- v2.5.0
- v2.4.9
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- v2.4.7
- v2.4.6
- v2.4.5
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- v2.4.12
- v2.4.11
- v2.4.10
- v2.4.1
- v2.4.0-rc3
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- v2.4.0
- v2.35.0-rc2
- v2.35.0-rc1
- v2.35.0-rc0
- v2.34.1
- v2.34.0-rc2
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- v2.34.0-rc0
- v2.34.0
- v2.33.1
- v2.33.0-rc2
- v2.33.0-rc1
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- v2.32.0-rc0
- v2.32.0
- v2.31.1
- v2.31.0-rc2
- v2.31.0-rc1
- v2.31.0-rc0
- v2.31.0
- v2.30.2
- v2.30.1
- v2.30.0-rc2
- v2.30.0-rc1
- v2.30.0-rc0
- v2.30.0
- v2.3.9
- v2.3.8
- v2.3.7
- v2.3.6
- v2.3.5
- v2.3.4
- v2.3.3
- v2.3.2
- v2.3.10
- v2.3.1
- v2.3.0-rc2
- v2.3.0-rc1
- v2.3.0-rc0
- v2.3.0
- v2.29.3
- v2.29.2
- v2.29.1
- v2.29.0-rc2
- v2.29.0-rc1
- v2.29.0-rc0
- v2.29.0
- v2.28.1
- v2.28.0-rc2
- v2.28.0-rc1
- v2.28.0-rc0
- v2.28.0
- v2.27.1
- v2.27.0-rc2
- v2.27.0-rc1
- v2.27.0-rc0
- v2.27.0
- v2.26.3
- v2.26.2
- v2.26.1
- v2.26.0-rc2
- v2.26.0-rc1
- v2.26.0-rc0
- v2.26.0
- v2.25.5
- v2.25.4
- v2.25.3
- v2.25.2
- v2.25.1
- v2.25.0-rc2
- v2.25.0-rc1
- v2.25.0-rc0
- v2.25.0
- v2.24.4
- v2.24.3
- v2.24.2
- v2.24.1
- v2.24.0-rc2
- v2.24.0-rc1
- v2.24.0-rc0
- v2.24.0
- v2.23.4
- v2.23.3
- v2.23.2
- v2.23.1
- v2.23.0-rc2
- v2.23.0-rc1
- v2.23.0-rc0
- v2.23.0
- v2.22.5
- v2.22.4
- v2.22.3
- v2.22.2
- v2.22.1
- v2.22.0-rc3
- v2.22.0-rc2
- v2.22.0-rc1
- v2.22.0-rc0
- v2.22.0
- v2.21.4
- v2.21.3
- v2.21.2
- v2.21.1
- v2.21.0-rc2
- v2.21.0-rc1
- v2.21.0-rc0
- v2.21.0
- v2.20.5
- v2.20.4
- v2.20.3
- v2.20.2
- v2.20.1
- v2.20.0-rc2
- v2.20.0-rc1
- v2.20.0-rc0
- v2.20.0
- v2.2.3
- v2.2.2
- v2.2.1
- v2.2.0-rc3
- v2.2.0-rc2
- v2.2.0-rc1
- v2.2.0-rc0
- v2.2.0
- v2.19.6
- v2.19.5
- v2.19.4
- v2.19.3
- v2.19.2
- v2.19.1
- v2.19.0-rc2
- v2.19.0-rc1
- v2.19.0-rc0
- v2.19.0
- v2.18.5
- v2.18.4
- v2.18.3
- v2.18.2
- v2.18.1
- v2.18.0-rc2
- v2.18.0-rc1
- v2.18.0-rc0
- v2.18.0
- v2.17.6
- v2.17.5
- v2.17.4
- v2.17.3
- v2.17.2
- v2.17.1
- v2.17.0-rc2
- v2.17.0-rc1
- v2.17.0-rc0
- v2.17.0
- v2.16.6
- v2.16.5
- v2.16.4
- v2.16.3
- v2.16.2
- v2.16.1
- v2.16.0-rc2
- v2.16.0-rc1
- v2.16.0-rc0
- v2.16.0
- v2.15.4
- v2.15.3
- v2.15.2
- v2.15.1
- v2.15.0-rc2
- v2.15.0-rc1
- v2.15.0-rc0
- v2.15.0
- v2.14.6
- v2.14.5
- v2.14.4
- v2.14.3
- v2.14.2
- v2.14.1
- v2.14.0-rc1
- v2.14.0-rc0
- v2.14.0
- v2.13.7
- v2.13.6
- v2.13.5
- v2.13.4
- v2.13.3
- v2.13.2
- v2.13.1
- v2.13.0-rc2
- v2.13.0-rc1
- v2.13.0-rc0
- v2.13.0
- v2.12.5
- v2.12.4
- v2.12.3
- v2.12.2
- v2.12.1
- v2.12.0-rc2
- v2.12.0-rc1
- v2.12.0-rc0
- v2.12.0
- v2.11.4
- v2.11.3
- v2.11.2
- v2.11.1
- v2.11.0-rc3
- v2.11.0-rc2
- v2.11.0-rc1
- v2.11.0-rc0
- v2.11.0
- v2.10.5
- v2.10.4
- v2.10.3
- v2.10.2
- v2.10.1
- v2.10.0-rc2
- v2.10.0-rc1
- v2.10.0-rc0
- v2.10.0
- v2.1.4
- v2.1.3
- v2.1.2
- v2.1.1
- v2.1.0-rc2
- v2.1.0-rc1
- v2.1.0-rc0
- v2.1.0
- v2.0.5
- v2.0.4
- v2.0.3
- v2.0.2
- v2.0.1
- v2.0.0-rc4
- v2.0.0-rc3
- v2.0.0-rc2
- v2.0.0-rc1
- v2.0.0-rc0
- v2.0.0
- v1.9.5
- v1.9.4
- v1.9.3
- v1.9.2
- v1.9.1
- v1.9.0-rc3
- v1.9.0
- v1.9-rc2
- v1.9-rc1
- v1.9-rc0
- v1.8.5.6
- v1.8.5.5
- v1.8.5.4
- v1.8.5.3
- v1.8.5.2
- v1.8.5.1
- v1.8.5-rc3
- v1.8.5-rc2
- v1.8.5-rc1
- v1.8.5-rc0
- v1.8.5
- v1.8.4.5
- v1.8.4.4
- v1.8.4.3
- v1.8.4.2
- v1.8.4.1
- v1.8.4-rc4
- v1.8.4-rc3
- v1.8.4-rc2
- v1.8.4-rc1
- v1.8.4-rc0
- v1.8.4
- v1.8.3.4
- v1.8.3.3
- v1.8.3.2
- v1.8.3.1
- v1.8.3-rc3
- v1.8.3-rc2
- v1.8.3-rc1
- v1.8.3-rc0
- v1.8.3
- v1.8.2.3
- v1.8.2.2
- v1.8.2.1
- v1.8.2-rc3
- v1.8.2-rc2
- v1.8.2-rc1
- v1.8.2-rc0
- v1.8.2
- v1.8.1.6
- v1.8.1.5
- v1.8.1.4
- v1.8.1.3
- v1.8.1.2
- v1.8.1.1
- v1.8.1-rc3
- v1.8.1-rc2
- v1.8.1-rc1
- v1.8.1-rc0
- v1.8.1
- v1.8.0.3
- v1.8.0.2
- v1.8.0.1
- v1.8.0-rc3
- v1.8.0-rc2
- v1.8.0-rc1
- v1.8.0-rc0
- v1.8.0
- v1.7.9.7
- v1.7.9.6
- v1.7.9.5
- v1.7.9.4
- v1.7.9.3
- v1.7.9.2
- v1.7.9.1
- v1.7.9-rc2
- v1.7.9-rc1
- v1.7.9-rc0
- v1.7.9
- v1.7.8.6
- v1.7.8.5
- v1.7.8.4
- v1.7.8.3
- v1.7.8.2
- v1.7.8.1
- v1.7.8-rc4
- v1.7.8-rc3
- v1.7.8-rc2
- v1.7.8-rc1
- v1.7.8-rc0
- v1.7.8
- v1.7.7.7
- v1.7.7.6
- v1.7.7.5
- v1.7.7.4
- v1.7.7.3
- v1.7.7.2
- v1.7.7.1
- v1.7.7-rc3
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- v1.7.7-rc1
- v1.7.7-rc0
- v1.7.7
- v1.7.6.6
- v1.7.6.5
- v1.7.6.4
- v1.7.6.3
- v1.7.6.2
- v1.7.6.1
- v1.7.6-rc3
- v1.7.6-rc2
- v1.7.6-rc1
- v1.7.6-rc0
- v1.7.6
- v1.7.5.4
- v1.7.5.3
- v1.7.5.2
- v1.7.5.1
- v1.7.5-rc3
- v1.7.5-rc2
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- v1.7.5-rc0
- v1.7.5
- v1.7.4.5
- v1.7.4.4
- v1.7.4.3
- v1.7.4.2
- v1.7.4.1
- v1.7.4-rc3
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- v1.7.4-rc0
- v1.7.4
- v1.7.3.5
- v1.7.3.4
- v1.7.3.3
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- v1.7.3.1
- v1.7.3-rc2
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- v1.7.3-rc0
- v1.7.3
- v1.7.2.5
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- v1.7.2.2
- v1.7.2.1
- v1.7.2-rc3
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- v1.7.2
- v1.7.12.4
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- v1.7.12.1
- v1.7.12-rc3
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- v1.7.12
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- v1.7.11
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- v1.7.1
- v1.7.0.9
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Tip revision: 5c415311f743ccb11a50f350ff1c385778f049d6 authored by Junio C Hamano on 25 January 2009, 20:41:09 UTC
GIT 1.6.1.1
GIT 1.6.1.1
Tip revision: 5c41531
send-pack-pipeline.txt
git-send-pack
=============
Overall operation
-----------------
. Connects to the remote side and invokes git-receive-pack.
. Learns what refs the remote has and what commit they point at.
Matches them to the refspecs we are pushing.
. Checks if there are non-fast-forwards. Unlike fetch-pack,
the repository send-pack runs in is supposed to be a superset
of the recipient in fast-forward cases, so there is no need
for want/have exchanges, and fast-forward check can be done
locally. Tell the result to the other end.
. Calls pack_objects() which generates a packfile and sends it
over to the other end.
. If the remote side is new enough (v1.1.0 or later), wait for
the unpack and hook status from the other end.
. Exit with appropriate error codes.
Pack_objects pipeline
---------------------
This function gets one file descriptor (`fd`) which is either a
socket (over the network) or a pipe (local). What's written to
this fd goes to git-receive-pack to be unpacked.
send-pack ---> fd ---> receive-pack
The function pack_objects creates a pipe and then forks. The
forked child execs pack-objects with --revs to receive revision
parameters from its standard input. This process will write the
packfile to the other end.
send-pack
|
pack_objects() ---> fd ---> receive-pack
| ^ (pipe)
v |
(child)
The child dup2's to arrange its standard output to go back to
the other end, and read its standard input to come from the
pipe. After that it exec's pack-objects. On the other hand,
the parent process, before starting to feed the child pipeline,
closes the reading side of the pipe and fd to receive-pack.
send-pack
|
pack_objects(parent)
|
v [0]
pack-objects [0] ---> receive-pack
[jc: the pipeline was much more complex and needed documentation before
I understood an earlier bug, but now it is trivial and straightforward.]