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As with .gitattributes, we would like to make sure that .gitignore files
are handled consistently whether read from the index or from the
filesystem. Likewise, we would like to avoid reading out-of-tree files
pointed to by the symlinks, which could have security implications in
certain setups.
We can cover both by using open_nofollow() when opening the in-tree
files. We'll continue to follow links for core.excludesFile, as well as
$GIT_DIR/info/exclude.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The attributes system may sometimes read in-tree files from the
filesystem, and sometimes from the index. In the latter case, we do not
resolve symbolic links (and are not likely to ever start doing so).
Let's open filesystem links with O_NOFOLLOW so that the two cases behave
consistently.
As a bonus, this means that git will not follow such symlinks to read
and parse out-of-tree paths. In some cases this could have security
implications, as a malicious repository can cause Git to open and read
arbitrary files. It could already feed arbitrary content to the parser,
but in certain setups it might be able to exfiltrate data from those
paths (e.g., if an automated service operating on the malicious repo
reveals its stderr to an attacker).
Note that O_NOFOLLOW only prevents following links for the path itself,
not intermediate directories in the path. At first glance, it seems
like
ln -s /some/path in-repo
might still look at "in-repo/.gitattributes", following the symlink to
"/some/path/.gitattributes". However, if "in-repo" is a symbolic link,
then we know that it has no git paths below it, and will never look at
its .gitattributes file.
We will continue to support out-of-tree symbolic links (e.g., in
$GIT_DIR/info/attributes); this just affects in-tree links. When a
symbolic link is encountered, the contents are ignored and a warning is
printed. POSIX specifies ELOOP in this case, so the user would generally
see something like:
warning: unable to access '.gitattributes': Too many levels of symbolic links
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are a number of callers of add_patterns() and its sibling
functions. Let's give them a "flags" parameter for adding new options
without having to touch each caller. We'll use this in a future patch to
add O_NOFOLLOW support. But for now each caller just passes 0.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The attribute code can have a rather deep callstack, through
which we have to pass the "macro_ok" flag. In anticipation
of adding other flags, let's convert this to a generic
bit-field.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some callers of open() would like to use O_NOFOLLOW, but it is not
available on all platforms. Let's abstract this into a helper function
so we can provide system-specific implementations.
Some light web-searching reveals that we might be able to get something
similar on Windows using FILE_FLAG_OPEN_REPARSE_POINT. I didn't dig into
this further.
For other systems without O_NOFOLLOW or any equivalent, we have two
options for fallback:
- we can just open anyway, following symlinks; this may have security
implications (e.g., following untrusted in-tree symlinks)
- we can determine whether the path is a symlink with lstat().
This is slower (two syscalls instead of one), but that may be
acceptable for infrequent uses like looking up .gitattributes files
(especially because we can get away with a single syscall for the
common case of ENOENT).
It's also racy, but should be sufficient for our needs (we are
worried about in-tree symlinks that we ourselves would have
previously created). We could make it non-racy at the cost of making
it even slower, by doing an fstat() on the opened descriptor and
comparing the dev/ino fields to the original lstat().
This patch implements the lstat() option in its slightly-faster racy
form.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the implementation of "git difftool", there is a case where the
user wants to start viewing the diffs at a specific path and
continue on to the rest, optionally wrapping around to the
beginning. Since it is somewhat cumbersome to implement such a
feature as a post-processing step of "git diff" output, let's
support it internally with two new options.
- "git diff --rotate-to=C", when the resulting patch would show
paths A B C D E without the option, would "rotate" the paths to
shows patch to C D E A B instead. It is an error when there is
no patch for C is shown.
- "git diff --skip-to=C" would instead "skip" the paths before C,
and shows patch to C D E. Again, it is an error when there is no
patch for C is shown.
- "git log [-p]" also accepts these two options, but it is not an
error if there is no change to the specified path. Instead, the
set of output paths are rotated or skipped to the specified path
or the first path that sorts after the specified path.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want to pass additional information to diffcore_rename() (or some
variant thereof) without plumbing that extra information through
diff_tree_oid() and diffcore_std(). Further, since we will need to
gather additional special information related to diffs and are walking
the trees anyway in collect_merge_info(), it seems odd to have
diff_tree_oid()/diffcore_std() repeat those tree walks. And there may
be times where we can avoid traversing into a subtree in
collect_merge_info() (based on additional information at our disposal),
that the basic diff logic would be unable to take advantage of. For all
these reasons, just create the add and delete pairs ourself and then
call diffcore_rename() directly.
This change is primarily about enabling future optimizations; the
advantage of avoiding extra tree traversals is small compared to the
cost of rename detection, and the advantage of avoiding the extra tree
traversals is somewhat offset by the extra time spent in
collect_merge_info() collecting the additional data anyway. However...
For the testcases mentioned in commit 557ac0350d ("merge-ort: begin
performance work; instrument with trace2_region_* calls", 2020-10-28),
this change improves the performance as follows:
Before After
no-renames: 13.294 s ± 0.103 s 12.775 s ± 0.062 s
mega-renames: 187.248 s ± 0.882 s 188.754 s ± 0.284 s
just-one-mega: 5.557 s ± 0.017 s 5.599 s ± 0.019 s
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The last few patches have introduced a new preliminary step when rename
detection is on but both break detection and copy detection are off.
Document this new step. While we're at it, add a testcase that checks
the new behavior as well.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make use of the new find_basename_matches() function added in the last
two patches, to find renames more rapidly in cases where we can match up
files based on basenames. As a quick reminder (see the last two commit
messages for more details), this means for example that
docs/extensions.txt and docs/config/extensions.txt are considered likely
renames if there are no remaining 'extensions.txt' files elsewhere among
the added and deleted files, and if a similarity check confirms they are
similar, then they are marked as a rename without looking for a better
similarity match among other files. This is a behavioral change, as
covered in more detail in the previous commit message.
We do not use this heuristic together with either break or copy
detection. The point of break detection is to say that filename
similarity does not imply file content similarity, and we only want to
know about file content similarity. The point of copy detection is to
use more resources to check for additional similarities, while this is
an optimization that uses far less resources but which might also result
in finding slightly fewer similarities. So the idea behind this
optimization goes against both of those features, and will be turned off
for both.
For the testcases mentioned in commit 557ac0350d ("merge-ort: begin
performance work; instrument with trace2_region_* calls", 2020-10-28),
this change improves the performance as follows:
Before After
no-renames: 13.815 s ± 0.062 s 13.294 s ± 0.103 s
mega-renames: 1799.937 s ± 0.493 s 187.248 s ± 0.882 s
just-one-mega: 51.289 s ± 0.019 s 5.557 s ± 0.017 s
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is not uncommon in real world repositories for the majority of file
renames to not change the basename of the file; i.e. most "renames" are
just a move of files into different directories. We can make use of
this to avoid comparing all rename source candidates with all rename
destination candidates, by first comparing sources to destinations with
the same basenames. If two files with the same basename are
sufficiently similar, we record the rename; if not, we include those
files in the more exhaustive matrix comparison.
This means we are adding a set of preliminary additional comparisons,
but for each file we only compare it with at most one other file. For
example, if there was a include/media/device.h that was deleted and a
src/module/media/device.h that was added, and there are no other
device.h files in the remaining sets of added and deleted files after
exact rename detection, then these two files would be compared in the
preliminary step.
This commit does not yet actually employ this new optimization, it
merely adds a function which can be used for this purpose. The next
commit will do the necessary plumbing to make use of it.
Note that this optimization might give us different results than without
the optimization, because it's possible that despite files with the same
basename being sufficiently similar to be considered a rename, there's
an even better match between files without the same basename. I think
that is okay for four reasons: (1) it's easy to explain to the users
what happened if it does ever occur (or even for them to intuitively
figure out), (2) as the next patch will show it provides such a large
performance boost that it's worth the tradeoff, and (3) it's somewhat
unlikely that despite having unique matching basenames that other files
serve as better matches. Reason (4) takes a full paragraph to
explain...
If the previous three reasons aren't enough, consider what rename
detection already does. Break detection is not the default, meaning
that if files have the same _fullname_, then they are considered related
even if they are 0% similar. In fact, in such a case, we don't even
bother comparing the files to see if they are similar let alone
comparing them to all other files to see what they are most similar to.
Basically, we override content similarity based on sufficient filename
similarity. Without the filename similarity (currently implemented as
an exact match of filename), we swing the pendulum the opposite
direction and say that filename similarity is irrelevant and compare a
full N x M matrix of sources and destinations to find out which have the
most similar contents. This optimization just adds another form of
filename similarity comparison, but augments it with a file content
similarity check as well. Basically, if two files have the same
basename and are sufficiently similar to be considered a rename, mark
them as such without comparing the two to all other rename candidates.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want to make use of unique basenames among remaining source and
destination files to help inform rename detection, so that more likely
pairings can be checked first. (src/moduleA/foo.txt and
source/module/A/foo.txt are likely related if there are no other
'foo.txt' files among the remaining deleted and added files.) Add a new
function, not yet used, which creates a map of the unique basenames
within rename_src and another within rename_dst, together with the
indices within rename_src/rename_dst where those basenames show up.
Non-unique basenames still show up in the map, but have an invalid index
(-1).
This function was inspired by the fact that in real world repositories,
files are often moved across directories without changing names. Here
are some sample repositories and the percentage of their historical
renames (as of early 2020) that preserved basenames:
* linux: 76%
* gcc: 64%
* gecko: 79%
* webkit: 89%
These statistics alone don't prove that an optimization in this area
will help or how much it will help, since there are also unpaired adds
and deletes, restrictions on which basenames we consider, etc., but it
certainly motivated the idea to try something in this area.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a simple test where a removed file is similar to two different added
files; one of them has the same basename, and the other has a slightly
higher content similarity. In the current test, content similarity is
weighted higher than filename similarity.
Subsequent commits will add a new rule that weighs a mixture of filename
similarity and content similarity in a manner that will change the
outcome of this testcase.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have to look at each entry in rename_src a total of rename_dst_nr
times. When we're not detecting copies, any exact renames or ignorable
rename paths will just be skipped over. While checking that these can
be skipped over is a relatively cheap check, it's still a waste of time
to do that check more than once, let alone rename_dst_nr times. When
rename_src_nr is a few thousand times bigger than the number of relevant
sources (such as when cherry-picking a commit that only touched a
handful of files, but from a side of history that has different names
for some high level directories), this time can add up.
First make an initial pass over the rename_src array and move all the
relevant entries to the front, so that we can iterate over just those
relevant entries.
For the testcases mentioned in commit 557ac0350d ("merge-ort: begin
performance work; instrument with trace2_region_* calls", 2020-10-28),
this change improves the performance as follows:
Before After
no-renames: 14.119 s ± 0.101 s 13.815 s ± 0.062 s
mega-renames: 1802.044 s ± 0.828 s 1799.937 s ± 0.493 s
just-one-mega: 51.391 s ± 0.028 s 51.289 s ± 0.019 s
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now, ref-filter is using pretty.c logic for setting trailer options.
New to ref-filter:
:key=<K> - only show trailers with specified key.
:valueonly[=val] - only show the value part.
:separator=<SEP> - inserted between trailer lines.
:key_value_separator=<SEP> - inserted between key and value in trailer lines
Enhancement to existing options(now can take value and its optional):
:only[=val]
:unfold[=val]
'val' can be: true, on, yes or false, off, no.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we would like to use this trailers logic in the ref-filter, it's
nice to get an invalid trailer argument. This will allow us to print
precise error message while using `format_set_trailers_options()` in
ref-filter.
For capturing the invalid argument, we changed the working of
`format_set_trailers_options()` a little bit.
Original logic does "break" and fell through in mainly 2 cases -
1. unknown/invalid argument
2. end of the arg string
But now instead of "break", we capture invalid argument and return
non-zero. And non-zero is handled by the caller.
(We prepared the caller to handle non-zero in the previous commit).
Capturing invalid arguments this way will also affects the working
of current logic. As at the end of the arg string it will return non-zero.
So in order to make things correct, introduced an additional conditional
statement i.e if encounter ")", do 'break'.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactored trailers formatting logic inside pretty.c to a new function
`format_set_trailers_options()`. This new function returns the non-zero
in case of unusual. The caller handles the non-zero by "goto trailers_out".
This change will allow us to reuse the same logic in other places.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a function to test trailer options. This will make tests look cleaner,
as well as will make it easier to add new tests for trailers in the future.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.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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When commands are started from a subdirectory, they may have to
compare the path to the subdirectory (called prefix and found out
from $(pwd)) with the tracked paths. On macOS, $(pwd) and
readdir() yield decomposed path, while the tracked paths are
usually normalized to the precomposed form, causing mismatch. This
has been fixed by taking the same approach used to normalize the
command line arguments.
* tb/precompose-prefix-too:
MacOS: precompose_argv_prefix()
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The command line completion (in contrib/) completed "git branch -d"
with branch names, but "git branch -D" offered tagnames in addition,
which has been corrected. "git branch -M" had the same problem.
* jk/complete-branch-force-delete:
doc/git-branch: fix awkward wording for "-c"
completion: handle other variants of "branch -m"
completion: treat "branch -D" the same way as "branch -d"
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Fix in passing custom args from "git clone" to "upload-pack" on the
other side.
* jv/upload-pack-filter-spec-quotefix:
t5544: clarify 'hook works with partial clone' test
upload-pack.c: fix filter spec quoting bug
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Introduce an on-disk file to record revindex for packdata, which
traditionally was always created on the fly and only in-core.
* tb/pack-revindex-on-disk:
t5325: check both on-disk and in-memory reverse index
pack-revindex: ensure that on-disk reverse indexes are given precedence
t: support GIT_TEST_WRITE_REV_INDEX
t: prepare for GIT_TEST_WRITE_REV_INDEX
Documentation/config/pack.txt: advertise 'pack.writeReverseIndex'
builtin/pack-objects.c: respect 'pack.writeReverseIndex'
builtin/index-pack.c: write reverse indexes
builtin/index-pack.c: allow stripping arbitrary extensions
pack-write.c: prepare to write 'pack-*.rev' files
packfile: prepare for the existence of '*.rev' files
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Various test updates.
* ab/tests-various-fixup:
rm tests: actually test for SIGPIPE in SIGPIPE test
archive tests: use a cheaper "zipinfo -h" invocation to get header
upload-pack tests: avoid a non-zero "grep" exit status
git-svn tests: rewrite brittle tests to use "--[no-]merges".
git svn mergeinfo tests: refactor "test -z" to use test_must_be_empty
git svn mergeinfo tests: modernize redirection & quoting style
cache-tree tests: explicitly test HEAD and index differences
cache-tree tests: use a sub-shell with less indirection
cache-tree tests: remove unused $2 parameter
cache-tree tests: refactor for modern test style
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diffcore_rename() had some code to avoid having destination paths that
already had an exact rename detected from being re-checked for other
renames. Source paths, however, were re-checked because we wanted to
allow the possibility of detecting copies. But if copy detection isn't
turned on, then this merely amounts to attempting to find a
better-than-exact match, which naturally ends up being an expensive
no-op. In particular, copy detection is never turned on by the merge
machinery.
For the testcases mentioned in commit 557ac0350d ("merge-ort: begin
performance work; instrument with trace2_region_* calls", 2020-10-28),
this change improves the performance as follows:
Before After
no-renames: 14.263 s ± 0.053 s 14.119 s ± 0.101 s
mega-renames: 5504.231 s ± 5.150 s 1802.044 s ± 0.828 s
just-one-mega: 158.534 s ± 0.498 s 51.391 s ± 0.028 s
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add assertions of the correct parameter count of various functions, in
particularly the wrappers for the shell "test" built-in.
In an earlier commit we fixed a bug with an incorrect number of
arguments being passed to "test_path_is_{file,missing}". Let's also
guard other similar functions from the same sort of misuse.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the optional "diagnostics" parameter of the
test_path_is_{file,dir,missing} functions.
We have a lot of uses of these functions, but the only legitimate use
of the diagnostics parameter is from when the functions themselves
were introduced in 2caf20c52b7 (test-lib: user-friendly alternatives
to test [-d|-f|-e], 2010-08-10).
But as the the rest of this diff demonstrates its presence did more to
silently introduce bugs in our tests. Fix such bugs in the tests added
in ae4e89e549b (gc: add --keep-largest-pack option, 2018-04-15), and
c04ba51739a (t6046: testcases checking whether updates can be skipped
in a merge, 2018-04-19).
Let's also assert that those functions are called with exactly one
parameter, a follow-up commit will add similar asserts to other
functions in test-lib-functions.sh that we didn't have existing misuse
of.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename the "diff-lib" to "lib-diff". With this rename and preceding
commits there is no remaining t/*lib* which doesn't follow the
convention of being called t/lib-*.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.29:
Git 2.29.3
Git 2.28.1
Git 2.27.1
Git 2.26.3
Git 2.25.5
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.28:
Git 2.28.1
Git 2.27.1
Git 2.26.3
Git 2.25.5
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.27:
Git 2.27.1
Git 2.26.3
Git 2.25.5
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.26:
Git 2.26.3
Git 2.25.5
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.25:
Git 2.25.5
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.24:
Git 2.24.4
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.23:
Git 2.23.4
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.22:
Git 2.22.5
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.21:
Git 2.21.4
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.20:
Git 2.20.5
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
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|
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* maint-2.19:
Git 2.19.6
Git 2.18.5
Git 2.17.6
unpack_trees(): start with a fresh lstat cache
run-command: invalidate lstat cache after a command finished
checkout: fix bug that makes checkout follow symlinks in leading path
|
|
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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