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* nd/index-pack-no-recurse:
index-pack: eliminate unlimited recursion in get_base_data()
index-pack: eliminate recursion in find_unresolved_deltas
Eliminate recursion in setting/clearing marks in commit list
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* rs/diff-postimage-in-context:
xdiff: print post-image for common records instead of pre-image
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* jk/parse-object-cached:
upload-pack: avoid parsing tag destinations
upload-pack: avoid parsing objects during ref advertisement
parse_object: try internal cache before reading object db
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* sp/smart-http-failure-to-push:
remote-curl: Fix push status report when all branches fail
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* jc/maint-log-first-parent-pathspec:
Making pathspec limited log play nicer with --first-parent
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* mh/ref-clone-without-extra-refs:
write_remote_refs(): create packed (rather than extra) refs
add_packed_ref(): new function in the refs API.
ref_array: keep track of whether references are sorted
pack_refs(): remove redundant check
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* jl/test-pause:
test-lib: add the test_pause convenience function
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* tr/maint-mailinfo:
mailinfo: with -b, keep space after [foo]
am: learn passing -b to mailinfo
Conflicts:
git-am.sh
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* pw/p4-view-updates:
git-p4: add tests demonstrating spec overlay ambiguities
git-p4: adjust test to adhere to stricter useClientSpec
git-p4: clarify comment
git-p4: fix verbose comment typo
git-p4: only a single ... wildcard is supported
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* nd/maint-refname-in-hierarchy-check:
Fix incorrect ref namespace check
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* jn/gitweb-unspecified-action:
gitweb: Fix actionless dispatch for non-existent objects
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* cb/push-quiet:
t5541: avoid TAP test miscounting
fix push --quiet: add 'quiet' capability to receive-pack
server_supports(): parse feature list more carefully
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* nd/clone-single-branch:
clone: add --single-branch to fetch only one branch
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* cb/git-daemon-tests:
git-daemon tests: wait until daemon is ready
git-daemon: produce output when ready
git-daemon: add tests
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* cb/maint-kill-subprocess-upon-signal:
dashed externals: kill children on exit
run-command: optionally kill children on exit
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Recent releases of Redhat/Fedora are reported to ship Perl binary package
with some core modules stripped away (see http://lwn.net/Articles/477234/)
against the upstream Perl5 people's wishes. The Time::HiRes module used by
gitweb one of them.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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zsh adds a backslash (foo\ ) for each item in the COMPREPLY array if IFS
doesn't contain spaces. This issue has been reported[1], but there is no
solution yet.
This wasn't a problem due to another bug[2], which was fixed in zsh
version 4.3.12. After this change, 'git checkout ma<tab>' would resolve
to 'git checkout master\ '.
Aditionally, the introduction of __gitcomp_nl in commit a31e626
(completion: optimize refs completion) in git also made the problem
apparent, as Matthieu Moy reported.
The simplest and most generic solution is to hide all the changes we do
to IFS, so that "foo \nbar " is recognized by zsh as "foo bar". This
works on versions of git before and after the introduction of
__gitcomp_nl (a31e626), and versions of zsh before and after 4.3.12.
Once zsh is fixed, we should conditionally disable this workaround to
have the same benefits as bash users.
[1] http://www.zsh.org/mla/workers/2012/msg00053.html
[2] http://zsh.git.sourceforge.net/git/gitweb.cgi?p=zsh/zsh;a=commitdiff;h=2e25dfb8fd38dbef0a306282ffab1d343ce3ad8d
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The protocol between transport-helper.c and remote-curl requires
remote-curl to always print a blank line after the push command
has run. If the blank line is ommitted, transport-helper kills its
container process (the git push the user started) with exit(128)
and no message indicating a problem, assuming the helper already
printed reasonable error text to the console.
However if the remote rejects all branches with "ng" commands in the
report-status reply, send-pack terminates with non-zero status, and
in turn remote-curl exited with non-zero status before outputting
the blank line after the helper status printed by send-pack. No
error messages reach the user.
This caused users to see the following from git push over HTTP
when the remote side's update hook rejected the branch:
$ git push http://... master
Counting objects: 4, done.
Delta compression using up to 6 threads.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 301 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
$
Always print a blank line after the send-pack process terminates,
ensuring the helper status report (if it was output) will be
correctly parsed by the calling transport-helper.c. This ensures
the helper doesn't abort before the status report can be shown to
the user.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a topic branch workflow, you often want to find the latest commit that
merged a side branch that touched a particular area of the system, so that
a new topic branch to work on that area can be forked from that commit.
For example, I wanted to find an appropriate fork-point to queue Luke's
changes related to git-p4 in contrib/fast-import/.
"git log --first-parent" traverses the first-parent chain, and "-m --stat"
shows the list of paths touched by commits including merge commits. We
could ask the question this way:
# What is the latest commit that touched that path?
$ git log --first-parent --oneline -m --stat master |
sed -e '/^ contrib\/fast-import\/git-p4 /q' | tail
The above finds that 8cbfc11 (Merge branch 'pw/p4-view-updates',
2012-01-06) was such a commit.
But a more natural way to spell this question is this:
$ git log --first-parent --oneline -m --stat -1 master -- \
contrib/fast-import/git-p4
Unfortunately, this does not work. It finds ecb7cf9 (git-p4: rewrite view
handling, 2012-01-02). This commit is a part of the merged topic branch
and is _not_ on the first-parent path from the 'master':
$ git show-branch 8cbfc11 ecb7cf9
! [8cbfc11] Merge branch 'pw/p4-view-updates'
! [ecb7cf9] git-p4: rewrite view handling
--
- [8cbfc11] Merge branch 'pw/p4-view-updates'
+ [8cbfc11^2] git-p4: view spec documentation
++ [ecb7cf9] git-p4: rewrite view handling
The problem is caused by the merge simplification logic when it inspects
the merge commit 8cbfc11. In this case, the history leading to the tip of
'master' did not touch git-p4 since 'pw/p4-view-updates' topic forked, and
the result of the merge is simply a copy from the tip of the topic branch
in the view limited by the given pathspec. The merge simplification logic
discards the history on the mainline side of the merge, and pretends as if
the sole parent of the merge is its second parent, i.e. the tip of the
topic. While this simplification is correct in the general case, it is at
least surprising if not outright wrong when the user explicitly asked to
show the first-parent history.
Here is an attempt to fix this issue, by not allowing us to compare the
merge result with anything but the first parent when --first-parent is in
effect, to avoid the history traversal veering off to the side branch.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Git 1.7.8.4
Git 1.7.7.6
diff-index: enable recursive pathspec matching in unpack_trees
Conflicts:
GIT-VERSION-GEN
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint-1.7.7:
Git 1.7.7.6
diff-index: enable recursive pathspec matching in unpack_trees
Conflicts:
GIT-VERSION-GEN
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pathspec structure has a few bits of data to drive various operation
modes after we unified the pathspec matching logic in various codepaths.
For example, max_depth field is there so that "git grep" can limit the
output for files found in limited depth of tree traversal. Also in order
to show just the surface level differences in "git diff-tree", recursive
field stops us from descending into deeper level of the tree structure
when it is set to false, and this also affects pathspec matching when
we have wildcards in the pathspec.
The diff-index has always wanted the recursive behaviour, and wanted to
match pathspecs without any depth limit. But we forgot to do so when we
updated tree_entry_interesting() logic to unify the pathspec matching
logic.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/pull-signed-tag-doc:
pulling signed tag: add howto document
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/credentials:
credential-cache: ignore "connection refused" errors
unix-socket: do not let close() or chdir() clobber errno during cleanup
credential-cache: report more daemon connection errors
unix-socket: handle long socket pathnames
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* nd/pathspec-recursion-cleanup:
diff-index: enable recursive pathspec matching in unpack_trees
Document limited recursion pathspec matching with wildcards
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* mh/maint-show-ref-doc:
git-show-ref doc: typeset regexp in fixed width font
git-show-ref: fix escaping in asciidoc source
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* tr/maint-word-diff-incomplete-line:
word-diff: ignore '\ No newline at eof' marker
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Since 781f76b15 (test-lib: redirect stdin of tests) you can't simply put a
"bash &&" into a test for debugging purposes anymore. Instead you'll have
to use "bash <&6 >&3 2>&4".
As that invocation is not that easy to remember add the test_pause
convenience function. It invokes "$SHELL_PATH" to provide a sane shell
for the user.
This function also checks if the -v flag is given and will error out if
that is not the case instead of letting the test hang until ^D is pressed.
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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write_remote_refs() creates new packed refs from references obtained
from the remote repository, which is "out of thin air" as far as the
local repository is concerned. Previously it did this by creating
"extra" refs, then calling pack_refs() to bake them into the
packed-refs file. Instead, create packed refs (in the packed
reference cache) directly, then call pack_refs().
Aside from being more logical, this is another step towards removing
extra refs entirely.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new function add_packed_ref() that adds a reference directly to
the in-memory packed reference cache. This will be useful for
creating local references while cloning.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Keep track of how many entries at the beginning of a ref_array are already
sorted. In sort_ref_array(), return early if the the array is already
sorted (i.e., if no new references has been appended to the end of the
list since the last call to sort_ref_array()).
Sort ref_arrays only when needed, namely in search_ref_array() and in
do_for_each_ref(). However, never call sort_ref_array() on the
extra_refs, because extra_refs can contain multiple entries with the same
name and because sort_ref_array() not only sorts, but de-dups its
contents.
This change is currently not useful, because entries are not added to
ref_arrays after they are created. But in a moment they will be...
Implementation note: we could store a binary "sorted" value instead of
an integer, but storing the number of sorted entries leaves the way
open for a couple of possible future optimizations:
* In sort_ref_array(), sort *only* the unsorted entries, then merge
them with the sorted entries. This should be faster if most of the
entries are already sorted.
* Teach search_ref_array() to do a binary search of any sorted
entries, and if unsuccessful do a linear search of any unsorted
entries. This would avoid the need to sort the list every time that
search_ref_array() is called, and (given some intelligence about how
often to sort) could significantly improve the speed in certain
hypothetical usage patterns.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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handle_one_ref() only adds refs to the cbdata.ref_to_prune list if
(cbdata.flags & PACK_REFS_PRUNE) is set. So any references in this
list at the end of pack_refs() can be pruned unconditionally.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The credential-cache helper will try to connect to its
daemon over a unix socket. Originally, a failure to do so
was silently ignored, and we would either give up (if
performing a "get" or "erase" operation), or spawn a new
daemon (for a "store" operation).
But since 8ec6c8d, we try to report more errors. We detect a
missing daemon by checking for ENOENT on our connection
attempt. If the daemon is missing, we continue as before
(giving up or spawning a new daemon). For any other error,
we die and report the problem.
However, checking for ENOENT is not sufficient for a missing
daemon. We might also get ECONNREFUSED if a dead daemon
process left a stale socket. This generally shouldn't
happen, as the daemon cleans up after itself, but the daemon
may not always be given a chance to do so (e.g., power loss,
"kill -9").
The resulting state is annoying not just because the helper
outputs an extra useless message, but because it actually
blocks the helper from spawning a new daemon to replace the
stale socket.
Fix it by checking for ECONNREFUSED.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/maint-gitweb-grep-fix:
gitweb: Harden "grep" search against filenames with ':'
gitweb: Fix file links in "grep" search
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The logic for the -b mode, where [PATCH] is dropped but [foo] is not,
silently ate all spaces after the ].
Fix this by keeping the next isspace() character, if there is any.
Being more thorough is pointless, as the later cleanup_space() call
will normalize any sequence of whitespace to a single ' '.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-am could pass -k to mailinfo, but not -b. Introduce an option
that does so. We change the meaning of the 'keep' state file, but are
careful not to cause a problem unless you downgrade in the middle of
an 'am' run.
This uncovers a bug in mailinfo -b, hence the failing test.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Revese the order of delta applying so that by the time a delta is
applied, its base is either non-delta or already inflated.
get_base_data() is still recursive, but because base's data is always
ready, the inner get_base_data() call never has any chance to call
itself again.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Current find_unresolved_deltas() links all bases together in a form of
tree, using struct base_data, with prev_base pointer to point to
parent node. Then it traverses down from parent to children in
recursive manner with all base_data allocated on stack.
To eliminate recursion, we simply need to put all on heap
(parse_pack_objects and fix_unresolved_deltas). After that, it's
simple non-recursive depth-first traversal loop. Each node also
maintains its own state (ofs and ref indices) to iterate over all
children nodes.
So we process one node:
- if it returns a new (child) node (a parent base), we link it to our
tree, then process the new node.
- if it returns nothing, the node is done, free it. We go back to
parent node and resume whatever it's doing.
and do it until we have no nodes to process.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Recursion in a DAG is generally a bad idea because it could be very
deep. Be defensive and avoid recursion in mark_parents_uninteresting()
and clear_commit_marks().
mark_parents_uninteresting() learns a trick from clear_commit_marks()
to avoid malloc() in (dominant) single-parent case.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pathspec structure has a few bits of data to drive various operation
modes after we unified the pathspec matching logic in various codepaths.
For example, max_depth field is there so that "git grep" can limit the
output for files found in limited depth of tree traversal. Also in order
to show just the surface level differences in "git diff-tree", recursive
field stops us from descending into deeper level of the tree structure
when it is set to false, and this also affects pathspec matching when
we have wildcards in the pathspec.
The diff-index has always wanted the recursive behaviour, and wanted to
match pathspecs without any depth limit. But we forgot to do so when we
updated tree_entry_interesting() logic to unify the pathspec matching
logic.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's actually unlimited recursion if wildcards are active regardless
--max-depth
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Two "^" characters were incorrectly being interpreted as markup for
superscripting. Fix them by writing them as attribute references
"{caret}".
Although a single "^" character in a paragraph cannot be
misinterpreted in this way, also write other "^" characters as
"{caret}" in the interest of good hygiene (unless they are in literal
paragraphs, of course, in which context attribute references are not
recognized).
Spell "{}" consistently, namely *not* quoted as "\{\}". Since the
braces are empty, they cannot be interpreted as an attribute
reference, and either spelling is OK. So arbitrarily choose one
variation and use it consistently.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Felipe Contreras
Jeff King
Michael Haggerty
Shawn O. Pearce
Nguyen Thai Ngoc Duy
Jens Lehmann
Thomas Rast