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Jeff King bbc30f9963 add packet tracing debug code 
This shows a trace of all packets coming in or out of a given
program. This can help with debugging object negotiation or
other protocol issues.

To keep the code changes simple, we operate at the lowest
level, meaning we don't necessarily understand what's in the
packets. The one exception is a packet starting with "PACK",
which causes us to skip that packet and turn off tracing
(since the gigantic pack data will not be interesting to
read, at least not in the trace format).

We show both written and read packets. In the local case,
this may mean you will see packets twice (written by the
sender and read by the receiver). However, for cases where
the other end is remote, this allows you to see the full
conversation.

Packet tracing can be enabled with GIT_TRACE_PACKET=<foo>,
where <foo> takes the same arguments as GIT_TRACE.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-03-08 12:12:04 -08:00
..
add.c add: describe --patch like checkout, reset 2011-02-15 10:51:08 -08:00
annotate.c
apply.c Merge branch 'fc/apply-p2-get-header-name' into maint 2010-12-09 10:36:36 -08:00
archive.c
bisect--helper.c
blame.c Merge branch 'jn/parse-options-extra' 2010-12-12 21:49:53 -08:00
branch.c builtin/branch.c: Use ALLOC_GROW instead of alloc_nr and xrealloc. 2010-12-19 10:43:53 -08:00
bundle.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
cat-file.c blame,cat-file --textconv: Don't assume mode is ``S_IFREF | 0664'' 2010-09-29 16:53:25 -07:00
check-attr.c
check-ref-format.c Allow "check-ref-format --branch" from subdirectory 2010-08-06 10:01:45 -07:00
checkout-index.c Merge branch 'jn/git-cmd-h-bypass-setup' 2010-12-12 21:49:50 -08:00
checkout.c checkout: add missing const to describe_detached_head 2011-02-22 16:51:20 -08:00
clean.c Merge branch 'rs/opt-help-text' 2010-11-24 15:55:19 -08:00
clone.c add packet tracing debug code 2011-03-08 12:12:04 -08:00
commit-tree.c Sync with 1.7.3.2 2010-10-21 17:16:10 -07:00
commit.c commit,status: describe -u likewise 2011-02-15 10:51:08 -08:00
config.c repo-config: add deprecation warning 2011-02-13 15:13:41 -08:00
count-objects.c add description parameter to OPT__VERBOSE 2010-11-15 09:56:51 -08:00
describe.c Merge branch 'tf/commit-list-prefix' 2010-12-22 14:40:17 -08:00
diff-files.c Submodules: Use "ignore" settings from .gitmodules too for diff and status 2010-08-09 09:11:44 -07:00
diff-index.c Submodules: Use "ignore" settings from .gitmodules too for diff and status 2010-08-09 09:11:44 -07:00
diff-tree.c Submodules: Use "ignore" settings from .gitmodules too for diff and status 2010-08-09 09:11:44 -07:00
diff.c diff: support --cached on unborn branches 2011-02-07 15:04:30 -08:00
fast-export.c Merge branch 'en/d-f-conflict-fix' 2010-09-08 08:54:01 -07:00
fetch-pack.c add packet tracing debug code 2011-03-08 12:12:04 -08:00
fetch.c add packet tracing debug code 2011-03-08 12:12:04 -08:00
fmt-merge-msg.c Change incorrect "remote branch" to "remote tracking branch" in C code 2010-11-03 09:20:47 -07:00
for-each-ref.c for-each-ref: fix objectname:short bug 2010-08-26 16:42:25 -07:00
fsck.c fsck: do not give up too early in fsck_dir() 2011-01-27 12:58:15 -08:00
gc.c Merge branch 'jn/git-cmd-h-bypass-setup' 2010-12-12 21:49:50 -08:00
grep.c thread-utils.h: simplify the inclusion 2010-12-10 12:58:06 -08:00
hash-object.c
help.c Cast execl*() NULL sentinels to (char *) 2010-07-25 23:14:18 -07:00
index-pack.c Use parentheses and `...' where appropriate 2010-10-08 12:31:07 -07:00
init-db.c clone,init: describe --template using the same wording 2011-02-15 10:51:08 -08:00
log.c Merge branch 'tc/format-patch-p' 2010-12-12 21:49:52 -08:00
ls-files.c Merge branch 'jn/git-cmd-h-bypass-setup' 2010-12-12 21:49:50 -08:00
ls-remote.c ls-remote: run setup_git_directory_gently() sooner 2010-08-15 20:00:02 -07:00
ls-tree.c Use angles for placeholders consistently 2010-10-08 12:29:52 -07:00
mailinfo.c commit: helper methods to reduce redundant blocks of code 2010-11-04 13:53:34 -07:00
mailsplit.c Use parentheses and `...' where appropriate 2010-10-08 12:31:07 -07:00
merge-base.c merge-base --independent to print reduced parent list in a merge 2010-08-18 14:02:03 -07:00
merge-file.c Merge branch 'rs/opt-help-text' 2010-11-24 15:55:19 -08:00
merge-index.c
merge-ours.c
merge-recursive.c Merge branch 'jf/merge-ignore-ws' 2010-10-26 21:40:54 -07:00
merge-tree.c merge-tree: fix where two branches share no changes 2010-07-14 12:56:49 -07:00
merge.c Merge branch 'maint' 2011-02-15 11:03:22 -08:00
mktag.c
mktree.c
mv.c add OPT__FORCE 2010-11-15 10:04:43 -08:00
name-rev.c object.h: Add OBJECT_ARRAY_INIT macro and make use of it. 2010-08-29 22:42:49 -07:00
notes.c Merge branch 'jh/notes-merge' 2010-12-08 11:24:12 -08:00
pack-objects.c thread-utils.h: simplify the inclusion 2010-12-10 12:58:06 -08:00
pack-redundant.c
pack-refs.c
patch-id.c
prune-packed.c
prune.c add description parameter to OPT__DRY_RUN 2010-11-15 09:57:37 -08:00
push.c add packet tracing debug code 2011-03-08 12:12:04 -08:00
read-tree.c add description parameter to OPT__VERBOSE 2010-11-15 09:56:51 -08:00
receive-pack.c add packet tracing debug code 2011-03-08 12:12:04 -08:00
reflog.c Merge branch 'jc/maint-no-reflog-expire-unreach-for-head' 2010-05-21 04:02:18 -07:00
remote-ext.c remote-ext: do not segfault for blank lines 2011-01-18 10:18:25 -08:00
remote-fd.c remote-fd/ext: finishing touches after code review 2010-11-19 11:04:20 -08:00
remote.c Merge branch 'rs/opt-help-text' 2010-11-24 15:55:19 -08:00
replace.c
rerere.c Merge branch 'jn/merge-renormalize' 2010-09-03 09:43:41 -07:00
reset.c Describe various forms of "be quiet" using OPT__QUIET 2010-11-15 10:04:56 -08:00
rev-list.c Merge branch 'jk/maint-rev-list-nul' into maint 2010-11-24 12:46:32 -08:00
rev-parse.c Merge branch 'maint' 2010-07-07 11:18:26 -07:00
revert.c cherry-pick/revert: add support for -X/--strategy-option 2010-12-28 11:27:56 -08:00
rm.c builtin/rm.c: Use ALLOC_GROW instead of alloc_nr and xrealloc. 2010-12-19 10:44:06 -08:00
send-pack.c Merge branch 'jk/push-progress' 2010-11-17 15:01:00 -08:00
shortlog.c parse-options: Don't call parse_options_check() so much 2010-12-06 16:51:36 -08:00
show-branch.c commit: Add commit_list prefix in two function names. 2010-11-29 14:01:52 -08:00
show-ref.c Describe various forms of "be quiet" using OPT__QUIET 2010-11-15 10:04:56 -08:00
stripspace.c
symbolic-ref.c Describe various forms of "be quiet" using OPT__QUIET 2010-11-15 10:04:56 -08:00
tag.c commit,merge,tag: describe -m likewise 2011-02-15 10:51:08 -08:00
tar-tree.c
unpack-file.c
unpack-objects.c do not depend on signed integer overflow 2010-10-06 11:10:07 -07:00
update-index.c Merge branch 'jn/parse-options-extra' 2010-12-12 21:49:53 -08:00
update-ref.c
update-server-info.c add OPT__FORCE 2010-11-15 10:04:43 -08:00
upload-archive.c
var.c var: run setup_git_directory_gently() sooner 2010-08-15 20:00:02 -07:00
verify-pack.c
verify-tag.c Merge branch 'mg/maint-tag-rfc1991' 2010-12-08 11:24:13 -08:00
write-tree.c