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The configuration variable 'mailinfo.scissors' was hard to
discover in the documentation.
* mm/am-c-doc:
Documentation/git-am.txt: mention mailinfo.scissors config variable
Documentation/config.txt: document mailinfo.scissors
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Simplify the ref transaction API around how "the ref should be
pointing at this object" is specified.
* mh/refs-have-new:
refs.h: remove duplication in function docstrings
update_ref(): improve documentation
ref_transaction_verify(): new function to check a reference's value
ref_transaction_delete(): check that old_sha1 is not null_sha1
ref_transaction_create(): check that new_sha1 is valid
commit: avoid race when creating orphan commits
commit: add tests of commit races
ref_transaction_delete(): remove "have_old" parameter
ref_transaction_update(): remove "have_old" parameter
struct ref_update: move "have_old" into "flags"
refs.c: change some "flags" to "unsigned int"
refs: remove the gap in the REF_* constant values
refs: move REF_DELETING to refs.c
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Currently, if --updateref is specified and the very last reflog entry
is expired or deleted, the reference's value is set to 0{40}. This is
an invalid state of the repository, and breaks, for example, "git
fsck" and "git for-each-ref".
The only place we use --updateref in our own code is when dropping
stash entries. In that code, the very next step is to check if the
reflog has been made empty, and if so, delete the "refs/stash"
reference entirely. Thus that code path ultimately leaves the
repository in a valid state.
But we don't want to the repository in an invalid state even
temporarily, and we don't want to leave an invalid state if other
callers of "git reflog expire|delete --updateref" don't think to do
the extra cleanup step.
So, if "git reflog expire|delete" leaves no more entries in the
reflog, just leave the reference unchanged.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we are expiring reflog entries for a symbolic reference, then how
should --updateref be handled if the newest reflog entry is expired?
Option 1: Update the referred-to reference. (This is what the current
code does.) This doesn't make sense, because the referred-to reference
has its own reflog, which hasn't been rewritten.
Option 2: Update the symbolic reference itself (as in, REF_NODEREF).
This would convert the symbolic reference into a non-symbolic
reference (e.g., detaching HEAD), which is surely not what a user
would expect.
Option 3: Error out. This is plausible, but it would make the
following usage impossible:
git reflog expire ... --updateref --all
Option 4: Ignore --updateref for symbolic references.
We choose to implement option 4.
Note: another problem in this code will be fixed in a moment.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Revamp the "git reflog" usage documentation in the manpage and the
command help to match the current reality and improve its clarity:
* Add documentation for some options that had been left out.
* Group the subcommands and options more logically and move more
common subcommands/options higher.
* Improve some explanations.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead, compute the value when it is needed.
Signed-off-by: Stefan Beller <sbeller@google.com>
Edited-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If a reference is missing, its SHA-1 will be null_sha1, which can't
possibly match a new value that ref_transaction_commit() is trying to
update it to. So there is no need to set force_write in this scenario.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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write_ref_sha1() previously skipped the write if the reference already
had the desired value, unless lock->force_write was set. Instead,
perform that test at the callers.
Two of the callers (in rename_ref()) unconditionally set force_write
just before calling write_ref_sha1(), so they don't need the extra
check at all. Nor do they need to set force_write anymore.
The last caller, in ref_transaction_commit(), still needs the test.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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None of the callers pass NULL to this function, and there doesn't seem
to be any usefulness to allowing them to do so.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
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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The "interpolated-path" option of "git daemon" inserted any string
client declared on the "host=" capability request without checking.
Sanitize and limit %H and %CH to a saner and a valid DNS name.
* jk/daemon-interpolate:
daemon: sanitize incoming virtual hostname
t5570: test git-daemon's --interpolated-path option
git_connect: let user override virtual-host we send to daemon
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"git daemon" looked up the hostname even when "%CH" and "%IP"
interpolations are not requested, which was unnecessary.
* rs/daemon-interpolate:
daemon: use callback to build interpolated path
daemon: look up client-supplied hostname lazily
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Even though we officially haven't dropped Perl 5.8 support, the
Getopt::Long package that came with it does not support "--no-"
prefix to negate a boolean option; manually add support to help
people with older Getopt::Long package.
* km/send-email-getopt-long-workarounds:
git-send-email.perl: support no- prefix with older GetOptions
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"git apply --whitespace=fix" fixed whitespace errors in the common
context lines but did so without reporting.
* jc/apply-ws-fix-expands-report:
apply: detect and mark whitespace errors in context lines when fixing
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"git apply" was not very careful about reading from, removing,
updating and creating paths outside the working tree (under
--index/--cached) or the current directory (when used as a
replacement for GNU patch).
* jc/apply-beyond-symlink:
apply: do not touch a file beyond a symbolic link
apply: do not read from beyond a symbolic link
apply: do not read from the filesystem under --index
apply: reject input that touches outside the working area
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A future breakage to "git push" to make it incorrectly pay attention
to pushInsteadOf when it should not will be left uncaught without
this change.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation of 'git submodule update' has several problems:
1) It mentions that value 'none' of submodule.$name.update can be
overridden by --checkout, but other combinations of configuration
values and command line options are not mentioned.
2) The documentation of submodule.$name.update is scattered across three
places, which is confusing.
3) The documentation of submodule.$name.update in gitmodules.txt is
incorrect, because the code always uses the value from .git/config
and never from .gitmodules.
4) Documentation of --force was incomplete, because it is only effective
in case of checkout method of update.
Fix all these problems by documenting submodule.*.update in
git-submodule.txt and make everybody else refer to it.
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Sun Studio on Solaris issues warnings about improper initialization
values being used when defining tolower_trans_tbl[] in ctype.c. The
array wants to store values with high-bit set and treat them as
values between 128 to 255. Unlike the rest of the Git codebase
where we explicitly specify 'unsigned char' for such variables and
arrays, however, kwset code we borrowed from elsewhere uses 'char'
for this and other variables.
Fix the declarations to explicitly use 'unsigned char' where
necessary to bring it in line with the rest of the Git.
Signed-off-by: Ben Walton <bdwalton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For translators, specify that a [y/N] reply is needed.
Also capitalize the first word in the prompt, as all the other
interactive prompts from this command are capitalized.
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When --shortstat is used in conjunction with --dirstat=changes, git diff will
output the dirstat information twice: first as calculated by the 'lines'
algorithm, then as calculated by the 'changes' algorithm:
$ git diff --dirstat=changes,10 --shortstat v2.2.0..v2.2.1
23 files changed, 453 insertions(+), 54 deletions(-)
33.5% Documentation/RelNotes/
26.2% t/
46.6% Documentation/RelNotes/
16.6% t/
The same duplication happens for --shortstat together with --dirstat=files, but
not for --shortstat together with --dirstat=lines.
Limit output to only include one dirstat part, calculated as specified
by the --dirstat parameter. Also, add test for this.
Signed-off-by: Mårten Kongstad <marten.kongstad@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The rename code cannot handle an input where we have
duplicate destinations (i.e., more than one diff_filepair in
the queue with the same string in its pair->two->path). We
end up allocating only one slot in the rename_dst mapping.
If we fill in the diff_filepair for that slot, when we
re-queue the results, we may queue that filepair multiple
times. When the diff is finally flushed, the filepair is
processed and free()d multiple times, leading to heap
corruption.
This situation should only happen when a tree diff sees
duplicates in one of the trees (see the added test for a
detailed example). Rather than handle it, the sanest thing
is just to turn off rename detection altogether for the
diff.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function manages the mapping of destination pathnames
to filepairs, and it handles both insertion and lookup. This
makes the return value a bit confusing, as we return a newly
created entry (even though no caller cares), and have no
room to indicate to the caller that an entry already
existed.
Instead, let's break this up into two distinct functions,
both backed by a common binary search. The binary search
will use our normal "return the index if we found something,
or negative index minus one to show where it would have
gone" semantics.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The current help string is about --no-exclude-standard. But "git grep -h"
would show --exclude-standard instead. Flip the string. See 0a93fb8
(grep: teach --untracked and --exclude-standard options - 2011-09-27)
for more info about these options.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Calling setlocale(LC_MESSAGES, ...) directly from http.c, without
including <locale.h>, was causing compilation warnings. Move the
helper function to gettext.c that already includes the header and
where locale-related issues are handled.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* svn-maint-fixes:
Git::SVN::*: avoid premature FileHandle closure
git-svn: fix localtime=true on non-glibc environments
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Since b19138b (git-svn: Make it incrementally faster by minimizing temp
files, v1.6.0), git-svn has been using the Git.pm temp_acquire and
temp_release mechanism to avoid unnecessary temp file churn and provide
a speed boost.
However, that change introduced a call to temp_acquire inside the
Git::SVN::Fetcher::close_file function for an 'svn_hash' temp file.
Because an SVN::Pool is active at the time this function is called, if
the Git::temp_acquire function ends up actually creating a new
FileHandle for the temp file (which it will the first time it's called
with the name 'svn_hash') that FileHandle will end up in the SVN::Pool
and should that pool have SVN::Pool::clear called on it that FileHandle
will be closed out from under Git::temp_acquire.
Since the only call site to Git::temp_acquire with the name 'svn_hash'
is inside the close_file function, if an 'svn_hash' temp file is ever
created its FileHandle is guaranteed to be created in the active
SVN::Pool.
This has not been a problem in the past because the SVN::Pool was not
being cleared. However, since dfa72fdb (git-svn: reload RA every
log-window-size, v2.2.0) the pool has been getting cleared periodically
at which point the FileHandle for the 'svn_hash' temp file gets closed.
Any subsequent calls to Git::temp_acquire for 'svn_hash', however,
succeed without creating/opening a new temporary file since it still has
the now invalid FileHandle in its cache. Callers that then attempt to
use that FileHandle fail with an error.
We avoid this problem by making sure the 'svn_hash' temp file is created
in the same place the 'svn_delta_...' and 'git_blob_...' temp files are
(and then temp_release'd) so that it can be safely used inside the
close_file function without having its FileHandle end up in an SVN::Pool
that gets cleared.
Additionally the Git.pm cat_blob function creates a bidirectional pipe
FileHandle using the IPC::Open2::open2 function. If that handle is
created too late, it also gets caught up in the SVN::Pool and incorrectly
closed by the SVN::Pool::clear call. But this only seems to happen with
more recent versions of Perl and svn.
To avoid this problem we add an explicit call to _open_cat_blob_if_needed
before the first call to SVN::Pool->new_default to make sure the open2
handle does not end up in the SVN::Pool.
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git svn uses POSIX::strftime('%s', $sec, $min, ...) to make unix epoch time.
But lowercase %s formatting character is a GNU extention. This causes problem
in git svn fetch --localtime on non-glibc systems, such as msys or cygwin.
Using Time::Local::timelocal($sec, $min, ...) fixes it.
Signed-off-by: Ryuichi Kokubo <ryu1kkb@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Notes:
lowercase %s format character in strftime is a GNU extension and not widely supported.
POSIX::strftime affected by underlying crt's strftime because POSIX::strftime just calls crt's one.
Time::Local is good function to replace POSIX::strftime because it's a perl core module function.
Document about Time::Local.
http://perldoc.perl.org/Time/Local.html
These are specifications of strftime.
The GNU C Library Reference Manual.
http://www.gnu.org/software/libc/manual/html_node/Formatting-Calendar-Time.html
perl POSIX module's strftime document. It does not have '%s'.
http://perldoc.perl.org/POSIX.html
strftime document of Microsort Windows C Run-Time library.
https://msdn.microsoft.com/en-us/library/fe06s4ak.aspx
The Open Group's old specification does not have '%s' too.
http://pubs.opengroup.org/onlinepubs/007908799/xsh/strftime.html
On my environment, following problems happened.
- msys : git svn fetch does not progress at all with perl.exe consuming CPU.
- cygwin : git svn fetch progresses but time stamp information is dropped.
Every commits have unix epoch timestamp.
I would like to thank git developer and contibutors.
git helps me so much everyday.
Thank you.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is needed in build automation where the tree really needs to
be reset to known state.
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We can delay loading some modules until we need them for uncommon
code paths. For example, persistent memoization is not often
needed, so we can avoid loading the modules for it until we
encounter svn::mergeinfo during fetch.
This gives a tiny reduction in syscalls (from 15641 to 15305) when
running "git svn info" and counting via "strace -fc". Further,
more invasive work will be needed to noticeably improve performance.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Typofix in comments.
* ak/git-pm-typofix:
Git.pm: two minor typo fixes
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"update-index --refresh" used to leak when an entry cannot be
refreshed for whatever reason.
* sb/plug-leak-in-make-cache-entry:
read-cache.c: free cache entry when refreshing fails
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The transport-helper did not give transport options such as
verbosity, progress, cloning, etc. to import and export based
helpers, like it did for fetch and push based helpers, robbing them
the chance to honor the wish of the end-users better.
* mh/transport-capabilities:
transport-helper: ask the helper to set the same options for import as for fetch
transport-helper: ask the helper to set progress and verbosity options after asking for its capabilities
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"git send-email" used to accept a mistaken "y" (or "yes") as an
answer to "What encoding do you want to use [UTF-8]? " without
questioning. Now it asks for confirmation when the answer looks
too short to be a valid encoding name.
* jc/send-email-sensible-encoding:
send-email: ask confirmation if given encoding name is very short
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The tests that wanted to see that file becomes unreadable after
running "chmod a-r file", and the tests that wanted to make sure it
is not run as root, we used "can we write into the / directory?" as
a cheap substitute, but on some platforms that is not a good
heuristics. The tests and their prerequisites have been updated to
check what they really require.
* jk/sanity:
test-lib.sh: set prerequisite SANITY by testing what we really need
tests: correct misuses of POSIXPERM
t/lib-httpd: switch SANITY check for NOT_ROOT
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Code clean-up.
* sb/hex-object-name-is-at-most-41-bytes-long:
hex.c: reduce memory footprint of sha1_to_hex static buffers
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"git fast-import" used to crash when it could not close and
conclude the resulting packfile cleanly.
* jk/fast-import-die-nicely-fix:
fast-import: avoid running end_packfile recursively
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Code clean-up.
* dp/remove-duplicated-header-inclusion:
do not include the same header twice
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Our default I/O size (8 MiB) for large files was too large for some
platforms with smaller SSIZE_MAX, leading to read(2)/write(2)
failures.
* jc/max-io-size-and-ssize-max:
xread/xwrite: clip MAX_IO_SIZE to SSIZE_MAX
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We did not check the curl library version before using
CURLOPT_PROXYAUTH feature that may not exist.
* tc/missing-http-proxyauth:
http: support curl < 7.10.7
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The strbuf API was explained between the API documentation and in
the header file. Move missing bits to strbuf.h so that programmers
can check only one place for all necessary information.
* jk/strbuf-doc-to-header:
strbuf.h: group documentation for trim functions
strbuf.h: drop boilerplate descriptions of strbuf_split_*
strbuf.h: reorganize api function grouping headers
strbuf.h: format asciidoc code blocks as 4-space indent
strbuf.h: drop asciidoc list formatting from API docs
strbuf.h: unify documentation comments beginnings
strbuf.h: integrate api-strbuf.txt documentation
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Optimize attribute look-up, mostly useful in "git grep" on a
project that does not use many attributes, by avoiding it when we
(should) know that the attributes are not defined in the first
place.
* nd/attr-optim:
attr: avoid heavy work when we know the specified attr is not defined
attr: do not attempt to expand when we know it's not a macro
attr.c: rename arg name attr_nr to avoid shadowing the global one
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The error handling functions and conventions are now documented in
the API manual.
* jn/doc-api-errors:
doc: document error handling functions and conventions
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The interactive "show a list and let the user choose from it"
interface "add -i" used showed and prompted to the user even when
the candidate list was empty, against which the only "choice" the
user could have made was to choose nothing.
* ak/add-i-empty-candidates:
add -i: return from list_and_choose if there is no candidate
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"git apply --whitespace=fix" used to under-allocate the memory
when the fix resulted in a longer text than the original patch.
* jc/apply-ws-fix-expands:
apply: count the size of postimage correctly
apply: make update_pre_post_images() sanity check the given postlen
apply.c: typofix
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"git log --help" used to show rev-list options that are irrelevant
to the "log" command.
* jc/doc-log-rev-list-options:
Documentation: what does "git log --indexed-objects" even mean?
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The error message from "git commit", when a non-existing author
name was given as value to the "--author=" parameter, has been
reworded to avoid misunderstanding.
* mg/commit-author-no-match-malformed-message:
commit: reword --author error message
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