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After an error, git-p4 calls die(). This just exits, and leaves child
processes still running.
Instead of calling die(), raise an exception and catch it where the
child process(es) (git-fastimport) are created.
This was analyzed in detail here:
https://public-inbox.org/git/20190227094926.GE19739@szeder.dev/
This change does not address the particular issue of p4CmdList()
invoking a subchild and not waiting for it on error.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes it easier to try/catch around this block of code to ensure
cleanup following p4 failures is handled properly.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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manageable
pylint is incredibly useful for finding bugs, but git-p4 has never used
it, so there are a lot of warnings that while important, don't actually
result in bugs.
Let's turn those off for now, so we can get some useful output.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently when there is a P4 error, git-p4 calls die() which just exits.
This then leaves the git-fast-import process still running, and can even
leave p4 itself still running.
As a result, git-p4 fails to exit cleanly. This is a particular problem
for people running the unit tests in regression.
Use this exception to report errors upwards, cleaning up as the error
propagates.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ensure that we can safely call self.closeStreams() multiple times, and
can also call it even if there is no git fast-import stream at all.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
.mailmap: fix erroneous authorship for Johannes Schindelin
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In 49e268e23e (mingw: safeguard better against backslashes in file
names, 2020-01-09), the commit author is listed as
"Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>", which
is erroneous. Fix the authorship by mapping the erroneous authorship to
his canonical authorship information.
Signed-off-by: Denton Liu <liu.denton@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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"git restore --staged" did not correctly update the cache-tree
structure, resulting in bogus trees to be written afterwards, which
has been corrected.
* nd/switch-and-restore:
restore: invalidate cache-tree when removing entries with --staged
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Reduce unnecessary round-trip when running "ls-remote" over the
stateless RPC mechanism.
* jk/no-flush-upon-disconnecting-slrpc-transport:
transport: don't flush when disconnecting stateless-rpc helper
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Complete an update to tutorial that encourages "git switch" over
"git checkout" that was done only half-way.
* hw/tutorial-favor-switch-over-checkout:
doc/gitcore-tutorial: fix prose to match example command
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The code that tries to skip over the entries for the paths in a
single directory using the cache-tree was not careful enough
against corrupt index file.
* es/unpack-trees-oob-fix:
unpack-trees: watch for out-of-range index position
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C pedantry ;-) fix.
* bc/run-command-nullness-after-free-fix:
run-command: avoid undefined behavior in exists_in_PATH
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API-doc update.
* en/string-list-can-be-custom-sorted:
string-list: note in docs that callers can specify sorting function
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Code simplification.
* en/simplify-check-updates-in-unpack-trees:
unpack-trees: exit check_updates() early if updates are not wanted
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has_object_file() said "no" given an object registered to the
system via pretend_object_file(), making it inconsistent with
read_object_file(), causing lazy fetch to attempt fetching an
empty tree from promisor remotes.
* jt/sha1-file-remove-oi-skip-cached:
sha1-file: remove OBJECT_INFO_SKIP_CACHED
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"git commit" gives output similar to "git status" when there is
nothing to commit, but without honoring the advise.statusHints
configuration variable, which has been corrected.
* hw/commit-advise-while-rejecting:
commit: honor advice.statusHints when rejecting an empty commit
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Sample credential helper for using .netrc has been updated to work
out of the box.
* dl/credential-netrc:
contrib/credential/netrc: work outside a repo
contrib/credential/netrc: make PERL_PATH configurable
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* maint:
msvc: accommodate for vcpkg's upgrade to OpenSSL v1.1.x
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With the upgrade, the library names changed from libeay32/ssleay32 to
libcrypto/libssl.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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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l10n-2.25.0-rnd1
* tag 'l10n-2.25.0-rnd1' of git://github.com/git-l10n/git-po:
l10n: zh_CN: for git v2.25.0 l10n round 1
l10n: Update Catalan translation
l10n: de.po: Update German translation v2.25.0 round 1
l10n: de.po: Reword generation numbers
l10n: bg.po: Updated Bulgarian translation (4800t)
l10n: es: 2.25.0 round #1
l10n: sv.po: Update Swedish translation (4800t0f0u)
l10n: fr.po v2.25.0 rnd 1
l10n: vi(4800t): Updated Vietnamese translation v2.25.0
l10n: zh_TW.po: update translation for v2.25.0 round 1
l10n: it.po: update the Italian translation for Git 2.25.0
l10n: git.pot: v2.25.0 round 1 (119 new, 13 removed)
l10n: Update Catalan translation
l10n: zh_TW: add translation for v2.24.0
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This reverts commit 5d9324e0f4210bb7d52bcb79efe3935703083f72, reversing
changes made to c58ae96fc4bb11916b62a96940bb70bb85ea5992.
The topic turns out to be too buggy for real use.
cf. <f2fe7437-8a48-3315-4d3f-8d51fe4bb8f1@gmail.com>
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Translate 119 new messages (4800t0f0u) for git 2.25.0.
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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* 'master' of github.com:Softcatala/git-po:
l10n: Update Catalan translation
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Further tweak to a "no backslash in indexed paths" for Windows port
we applied earlier.
* js/mingw-loosen-overstrict-tree-entry-checks:
mingw: safeguard better against backslashes in file names
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Documentation markup fix.
* ma/config-advice-markup-fix:
config/advice.txt: fix description list separator
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Signed-off-by: Jordi Mas <jmas@softcatala.org>
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In 224c7d70fa1 (mingw: only test index entries for backslashes, not tree
entries, 2019-12-31), we relaxed the check for backslashes in tree
entries to check only index entries.
However, the code change was incorrect: it was added to
`add_index_entry_with_check()`, not to `add_index_entry()`, so under
certain circumstances it was possible to side-step the protection.
Besides, the description of that commit purported that all index entries
would be checked when in fact they were only checked when being added to
the index (there are code paths that do not do that, constructing
"transient" index entries).
In any case, it was pointed out in one insightful review at
https://github.com/git-for-windows/git/pull/2437#issuecomment-566771835
that it would be a much better idea to teach `verify_path()` to perform
the check for a backslash. This is safer, even if it comes with two
notable drawbacks:
- `verify_path()` cannot say _what_ is wrong with the path, therefore
the user will no longer be told that there was a backslash in the
path, only that the path was invalid.
- The `git apply` command also calls the `verify_path()` function, and
might have been able to handle Windows-style paths (i.e. with
backslashes instead of forward slashes). This will no longer be
possible unless the user (temporarily) sets `core.protectNTFS=false`.
Note that `git add <windows-path>` will _still_ work because
`normalize_path_copy_len()` will convert the backslashes to forward
slashes before hitting the code path that creates an index entry.
The clear advantage is that `verify_path()`'s purpose is to check the
validity of the file name, therefore we naturally tap into all the code
paths that need safeguarding, also implicitly into future code paths.
The benefits of that approach outweigh the downsides, so let's move the
check from `add_index_entry_with_check()` to `verify_path()`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Matthias Rüster <matthias.ruester@gmail.com>
Reviewed-by: Ralf Thielow <ralf.thielow@gmail.com>
Reviewed-by: Phillip Szelat <phillip.szelat@gmail.com>
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The english term generation is here not used in the sense of "to
generate" but in the sense of "generations of beings".
This corrects the initial translation from cf4c0c25 (l10n: update German
translation, 2018-12-06).
Fixed-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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Signed-off-by: Alexander Shopov <ash@kambanaria.org>
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The whole submoduleAlternateErrorStrategyDie item is interpreted as
being part of the supporting content of the preceding item. This is
because we don't give a double-colon "::" for the separator, but just a
single colon, ":". Let's fix that.
There are a few other matches for [^:]:\s*$ in Documentation/config, but
I didn't spot any similar bugs among them.
Signed-off-by: Martin Ågren <martin.agren@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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Since recent updates to the log graph rendering code, drawing
certain merges started triggering an assert on a condition that
would no longer hold true, which has been corrected.
* ds/graph-assert-fix:
graph: fix lack of color in horizontal lines
graph: drop assert() for merge with two collapsing parents
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Typofix.
* tm/doc-submodule-absorb-fix:
doc: submodule: fix typo for command absorbgitdirs
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Doc update.
* pm/am-in-body-header-doc-update:
am: document that Date: can appear as an in-body header
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Typofix.
* jb/doc-multi-pack-idx-fix:
multi-pack-index: correct configuration in documentation
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Typofix.
* do/gitweb-typofix-in-comments:
gitweb: fix a couple spelling errors in comments
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* https://github.com/prati0100/git-gui:
git-gui: allow opening currently selected file in default app
git-gui: allow closing console window with Escape
git gui: fix branch name encoding error
git-gui: revert untracked files by deleting them
git-gui: update status bar to track operations
git-gui: consolidate naming conventions
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In some cases, horizontal lines in rendered graphs can lose their
coloring. This is due to a use of graph_line_addch() instead of
graph_line_write_column(). Using a ternary operator to pick the
character is nice for compact code, but we actually need a column to
provide the color.
Add a test to t4215-log-skewed-merges.sh to prevent regression.
Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git log --graph" shows a merge commit that has two collapsing
lines, like:
| | | | *
| |_|_|/|
|/| | |/
| | |/|
| |/| |
| * | |
* | | |
we trigger an assert():
graph.c:1228: graph_output_collapsing_line: Assertion
`graph->mapping[i - 3] == target' failed.
The assert was introduced by eaf158f8 ("graph API: Use horizontal
lines for more compact graphs", 2009-04-21), which is quite old.
This assert is trying to say that when we complete a horizontal
line with a single slash, it is because we have reached our target.
It is actually the _second_ collapsing line that hits this assert.
The reason we are in this code path is because we are collapsing
the first line, and in that case we are hitting our target now
that the horizontal line is complete. However, the second line
cannot be a horizontal line, so it will collapse without horizontal
lines. In this case, it is inappropriate to assert that we have
reached our target, as we need to continue for another column
before reaching the target. Dropping the assert is safe here.
The new behavior in 0f0f389f12 (graph: tidy up display of
left-skewed merges, 2019-10-15) caused the behavior change that
made this assertion failure possible. In addition to making the
assert possible, it also changed how multiple edges collapse.
In a larger example, the current code will output a collapse
as follows:
| | | | | | *
| |_|_|_|_|/|\
|/| | | | |/ /
| | | | |/| /
| | | |/| |/
| | |/| |/|
| |/| |/| |
| | |/| | |
| | * | | |
However, the intended collapse should allow multiple horizontal lines
as follows:
| | | | | | *
| |_|_|_|_|/|\
|/| | | | |/ /
| | |_|_|/| /
| |/| | | |/
| | | |_|/|
| | |/| | |
| | * | | |
This behavior is not corrected by this change, but is noted for a later
update.
Helped-by: Jeff King <peff@peff.net>
Reported-by: Bradley Smith <brad@brad-smith.co.uk>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since ba227857d2 (Reduce the number of connects when fetching,
2008-02-04), when we disconnect a git transport, we send a final flush
packet. This cleanly tells the other side that we're done, and avoids
the other side complaining "the remote end hung up unexpectedly" (though
we'd only see that for transports that pass along the server stderr,
like ssh or local-host).
But when we've initiated a v2 stateless-connect session over a transport
helper, there's no point in sending this flush packet. Each operation
we've performed is self-contained, and the other side is fine with us
hanging up between operations.
But much worse, by sending the flush packet we may cause the helper to
issue an entirely new request _just_ to send the flush packet. So we can
incur an extra network request just to say "by the way, we have nothing
more to send".
Let's drop this extra flush packet. As the test shows, this reduces the
number of POSTs required for a v2 ls-remote over http from 2 to 1.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's possible in a case where the index file contains a tree extension
but no blobs within that tree exist for index_pos_by_traverse_info() to
segfault. If the name_entry passed into index_pos_by_traverse_info() has
no blobs inside, AND is alphabetically later than all blobs currently in
the index file, index_pos_by_traverse_info() will segfault. For example,
an index file which looks something like this:
aaa#0
bbb/aaa#0
[Extensions]
TREE: zzz
In this example, 'index_name_pos(..., "zzz/", ...)' will return '-4',
indicating that "zzz/" could be inserted at position 3. However, when
the checks which ensure that the insertion position of "zzz/" look for a
blob at that position beginning with "zzz/", the index cache is accessed
out of range, causing a segfault.
This kind of index state is not typically generated during user
operations, and is in fact an edge case of the state being checked for
in the conditional where it was added. However, since the entry for the
BUG() line is ambiguous, tell some additional context to help Git
developers debug the failure later. When we know the name of the dir we
were trying to look up, it becomes possible to examine the index file
in a hex util to determine what went wrong; the position gives a hint
about where to start looking.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git restore --staged <path>" removes a path that's in the index,
it marks the entry with CE_REMOVE, but we don't do anything to
invalidate the cache-tree. In the non-staged case, we end up in
checkout_worktree(), which calls remove_marked_cache_entries(). That
actually drops the entries from the index, as well as invalidating the
cache-tree and untracked-cache.
But with --staged, we never call checkout_worktree(), and the CE_REMOVE
entries remain. Interestingly, they are dropped when we write out the
index, but that means the resulting index is inconsistent: its
cache-tree will not match the actual entries, and running "git commit"
immediately after will create the wrong tree.
We can solve this by calling remove_marked_cache_entries() ourselves
before writing out the index. Note that we can't just hoist it out of
checkout_worktree(); that function needs to iterate over the CE_REMOVE
entries (to drop their matching worktree files) before removing them.
One curiosity about the test: without this patch, it actually triggers a
BUG() when running git-restore:
BUG: cache-tree.c:810: new1 with flags 0x4420000 should not be in cache-tree
But in the original problem report, which used a similar recipe,
git-restore actually creates the bogus index (and the commit is created
with the wrong tree). I'm not sure why the test here behaves differently
than my out-of-suite reproduction, but what's here should catch either
symptom (and the fix corrects both cases).
Reported-by: Torsten Krah <krah.tm@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 328c6cb853 (doc: promote "git switch", 2019-03-29), an example
was changed to use "git switch" rather than "git checkout" but an
instance of "git checkout" in the explanatory text preceding the
example was overlooked. Fix this oversight.
Signed-off-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In this function, we free the pointer we get from locate_in_PATH and
then check whether it's NULL. However, this is undefined behavior if
the pointer is non-NULL, since the C standard no longer permits us to
use a valid pointer after freeing it.
The only case in which the C standard would permit this to be defined
behavior is if r were NULL, since it states that in such a case "no
action occurs" as a result of calling free.
It's easy to suggest that this is not likely to be a problem, but we
know that GCC does aggressively exploit the fact that undefined
behavior can never occur to optimize and rewrite code, even when that's
contrary to the expectations of the programmer. It is, in fact, very
common for it to omit NULL pointer checks, just as we have here.
Since it's easy to fix, let's do so, and avoid a potential headache in
the future.
Noticed-by: Miriam R. <mirucam@gmail.com>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In commit 1959bf6430 (string_list API: document what "sorted" means,
2012-09-17), Documentation/technical/api-string-list.txt was updated to
specify that strcmp() was used for sorting. In commit 8dd5afc926
(string-list: allow case-insensitive string list, 2013-01-07), a cmp
member was added to struct string_list to allow callers to specify an
alternative comparison function, but api-string-list.txt was not
updated. In commit 4f665f2cf3 (string-list.h: move documentation from
Documentation/api/ into header, 2017-09-26), the now out-dated
api-string-list.txt documentation was moved into string-list.h. Update
the docs to reflect the configurability of sorting.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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check_updates() has a lot of code that repeatedly checks whether
o->update or o->dry_run are set. (Note that o->dry_run is a
near-synonym for !o->update, but not quite as per commit 2c9078d05bf2
("unpack-trees: add the dry_run flag to unpack_trees_options",
2011-05-25).) In fact, this function almost turns into a no-op whenever
the condition
!o->update || o->dry_run
is met. Simplify the code by checking this condition at the beginning
of the function, and when it is true, do the few things that are
relevant and return early.
There are a few things that make the conversion not quite obvious:
* The fact that check_updates() does not actually turn into a no-op
when updates are not wanted may be slightly surprising. However,
commit 33ecf7eb61 (Discard "deleted" cache entries after using them
to update the working tree, 2008-02-07) put the discarding of
unused cache entries in check_updates() so we still need to keep
the call to remove_marked_cache_entries(). It's possible this
call belongs in another function, but it is certainly needed as
tests will fail if it is removed.
* The original called remove_scheduled_dirs() unconditionally.
Technically, commit 7847892716 (unlink_entry(): introduce
schedule_dir_for_removal(), 2009-02-09) should have made that call
conditional, but it didn't matter in practice because
remove_scheduled_dirs() becomes a no-op when all the calls to
unlink_entry() are skipped. As such, we do not need to call it.
* When (o->dry_run && o->update), the original would have two calls
to git_attr_set_direction() surrounding a bunch of skipped updates.
These two calls to git_attr_set_direction() cancel each other out
and thus can be omitted when o->dry_run is true just as they
already are when !o->update.
* The code would previously call setup_collided_checkout_detection()
and report_collided_checkout() even when o->dry_run. However, this
was just an expensive no-op because
setup_collided_checkout_detection() merely cleared the CE_MATCHED
flag for each cache entry, and report_collided_checkout() reported
which ones had it set. Since a dry-run would skip all the
checkout_entry() calls, CE_MATCHED would never get set and thus
no collisions would be reported. Since we can't detect the
collisions anyway without doing updates, skipping the collisions
detection setup and reporting is an optimization.
* The code previously would call get_progress() and
display_progress() even when (!o->update || o->dry_run). This
served to show how long it took to skip all the updates, which is
somewhat useless. Since we are skipping the updates, we can skip
showing how long it takes to skip them.
Signed-off-by: Elijah Newren <newren@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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Luke Diamand
Junio C Hamano
Denton Liu
Johannes Schindelin
Jiang Xin
Jordi Mas
Johannes Schindelin via GitGitGadget
Matthias Rüster
Thomas Braun
Alexander Shopov
Martin Ågren
Derrick Stolee
Jeff King
Emily Shaffer
Heba Waly
brian m. carlson
Elijah Newren