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Code cleanup.
* cc/untracked:
update-index: fix xgetcwd() related memory leak
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As xgetcwd() returns an allocated buffer, we should free this
buffer when we don't need it any more.
This was found by Coverity.
Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When users are using `git update-index --(no-)split-index`, they
may expect the split-index feature to be used or not according to
the option they just used, but this might not be the case if the
new "core.splitIndex" config variable has been set. In this case
let's warn about what will happen and why.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Also use the functions in cmd_update_index() in
builtin/update-index.c.
These functions will be used in a following commit to tweak
our use of the split-index feature depending on the setting
of a configuration variable.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Callers of the hold_locked_index() function pass 0 when they want to
prepare to write a new version of the index file without wishing to
die or emit an error message when the request fails (e.g. somebody
else already held the lock), and pass 1 when they want the call to
die upon failure.
This option is called LOCK_DIE_ON_ERROR by the underlying lockfile
API, and the hold_locked_index() function translates the paramter to
LOCK_DIE_ON_ERROR when calling the hold_lock_file_for_update().
Replace these hardcoded '1' with LOCK_DIE_ON_ERROR and stop
translating. Callers other than the ones that are replaced with
this change pass '0' to the function; no behaviour change is
intended with this patch.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
Among the callers of hold_locked_index() that passes 0:
- diff.c::refresh_index_quietly() at the end of "git diff" is an
opportunistic update; it leaks the lockfile structure but it is
just before the program exits and nobody should care.
- builtin/describe.c::cmd_describe(),
builtin/commit.c::cmd_status(),
sequencer.c::read_and_refresh_cache() are all opportunistic
updates and they are OK.
- builtin/update-index.c::cmd_update_index() takes a lock upfront
but we may end up not needing to update the index (i.e. the
entries may be fully up-to-date), in which case we do not need to
issue an error upon failure to acquire the lock. We do diagnose
and die if we indeed need to update, so it is OK.
- wt-status.c::require_clean_work_tree() IS BUGGY. It asks
silence, does not check the returned value. Compare with
callsites like cmd_describe() and cmd_status() to notice that it
is wrong to call update_index_if_able() unconditionally.
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"git add --chmod=+x <pathspec>" added recently only toggled the
executable bit for paths that are either new or modified. This has
been corrected to flip the executable bit for all paths that match
the given pathspec.
* tg/add-chmod+x-fix:
t3700-add: do not check working tree file mode without POSIXPERM
t3700-add: create subdirectory gently
add: modify already added files when --chmod is given
read-cache: introduce chmod_index_entry
update-index: add test for chmod flags
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More i18n.
* va/i18n:
i18n: update-index: mark warnings for translation
i18n: show-branch: mark plural strings for translation
i18n: show-branch: mark error messages for translation
i18n: receive-pack: mark messages for translation
notes: spell first word of error messages in lowercase
i18n: notes: mark error messages for translation
i18n: merge-recursive: mark verbose message for translation
i18n: merge-recursive: mark error messages for translation
i18n: config: mark error message for translation
i18n: branch: mark option description for translation
i18n: blame: mark error messages for translation
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Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As there are chmod options for both add and update-index, introduce a
new chmod_index_entry function to do the work. Use it in update-index,
while it will be used in add in the next patch.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently there is no test checking the expected behaviour when multiple
chmod flags with different arguments are passed. As argument handling
is not in line with other git commands it's easy to miss and
accidentally change the current behaviour.
While there, fix the argument type of chmod_path, which takes an int,
but had a char passed in.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert all functions to use struct object_id, and replace instances of
hardcoded 40, 41, and 42 with appropriate references to GIT_SHA1_HEXSZ.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert struct cache_entry to use struct object_id by applying the
following semantic patch and the object_id transforms from contrib, plus
the actual change to the struct:
@@
struct cache_entry E1;
@@
- E1.sha1
+ E1.oid.hash
@@
struct cache_entry *E1;
@@
- E1->sha1
+ E1->oid.hash
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The vast majority of error messages in Git's source code which report a
bug use the convention to prefix the message with "BUG:".
As part of cleaning up merge-recursive to stop die()ing except in case of
detected bugs, let's just make the remainder of the bug reports consistent
with the de facto rule.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function takes a pointer to a pathspec structure, and releases
the resources held by it, but does not free() the structure itself.
Such a function should be called "clear", not "free".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"errno" is already passed in as "err". Here we should use err instead of
errno. errno is probably a copy/paste mistake in e011054 (Teach
git-update-index about gitlinks - 2007-04-12)
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Various clean-ups to the command line option parsing.
* jk/options-cleanup:
apply, ls-files: simplify "-z" parsing
checkout-index: disallow "--no-stage" option
checkout-index: handle "--no-index" option
checkout-index: handle "--no-prefix" option
checkout-index: simplify "-z" option parsing
give "nbuf" strbuf a more meaningful name
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Update the untracked cache subsystem and change its primary UI from
"git update-index" to "git config".
* cc/untracked:
t7063: add tests for core.untrackedCache
test-dump-untracked-cache: don't modify the untracked cache
config: add core.untrackedCache
dir: simplify untracked cache "ident" field
dir: add remove_untracked_cache()
dir: add {new,add}_untracked_cache()
update-index: move 'uc' var declaration
update-index: add untracked cache notifications
update-index: add --test-untracked-cache
update-index: use enum for untracked cache options
dir: free untracked cache when removing it
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It's a common pattern in our code to read paths from stdin,
separated either by newlines or NULs, and unquote as
necessary. In each of these five cases we use "nbuf" to
temporarily store the unquoted value. Let's give it the more
meaningful name "unquoted", which makes it easier to
understand the purpose of the variable.
While we're at it, let's also static-initialize all of our
strbufs. It's not wrong to call strbuf_init, but it
increases the cognitive load on the reader, who might wonder
"do we sometimes avoid initializing them? why?".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we know that mtime on directory as given by the environment
is usable for the purpose of untracked cache, we may want the
untracked cache to be always used without any mtime test or
kernel name check being performed.
Also when we know that mtime is not usable for the purpose of
untracked cache, for example because the repo is shared over a
network file system, we may want the untracked-cache to be
automatically removed from the index.
Allow the user to express such preference by setting the
'core.untrackedCache' configuration variable, which can take
'keep', 'false', or 'true' and default to 'keep'.
When read_index_from() is called, it now adds or removes the
untracked cache in the index to respect the value of this
variable. So it does nothing if the value is `keep` or if the
variable is unset; it adds the untracked cache if the value is
`true`; and it removes the cache if the value is `false`.
`git update-index --[no-|force-]untracked-cache` still adds the
untracked cache to, or removes it, from the index, but this
shows a warning if it goes against the value of
core.untrackedCache, because the next time the index is read
the untracked cache will be added or removed if the
configuration is set to do so.
Also `--untracked-cache` used to check that the underlying
operating system and file system change `st_mtime` field of a
directory if files are added or deleted in that directory. But
because those tests take a long time, `--untracked-cache` no
longer performs them. Instead, there is now
`--test-untracked-cache` to perform the tests. This change
makes `--untracked-cache` the same as `--force-untracked-cache`.
This last change is backward incompatible and should be
mentioned in the release notes.
Helped-by: Duy Nguyen <pclouds@gmail.com>
Helped-by: Torsten Bögershausen <tboegi@web.de>
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
read-cache: Duy'sfixup
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Factor out code into remove_untracked_cache(), which will be used
in a later commit.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Factor out code into new_untracked_cache() and
add_untracked_cache(), which will be used
in later commits.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Attempting to flip the untracked-cache feature on for a random index
file with
cd /random/unrelated/place
git --git-dir=/somewhere/else/.git update-index --untracked-cache
would not work as you might expect. Because flipping the feature on
in the index also records the location of the corresponding working
tree (/random/unrelated/place in the above example), when the index
is subsequently used to keep track of files in the working tree in
/somewhere/else, the feature is disabled.
With this patch "git update-index --[test-]untracked-cache" tells the
user in which directory tests are performed. This makes it easy to
spot any problem.
Also in verbose mode, let's tell the user when the cache is enabled
or disabled.
Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is nice to just be able to test if untracked cache is
supported without enabling it.
Helped-by: David Turner <dturner@twopensource.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The program by default reads LF terminated lines, with an option to
use NUL terminated records. Instead of pretending that there can be
other useful values for line_termination, use a boolean variable,
nul_term_line, to tell if NUL terminated records are used, and
switch between strbuf_getline_{lf,nul} based on it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the index to optionally remember already seen untracked files
to speed up "git status" in a working tree with tons of cruft.
* nd/untracked-cache: (24 commits)
git-status.txt: advertisement for untracked cache
untracked cache: guard and disable on system changes
mingw32: add uname()
t7063: tests for untracked cache
update-index: test the system before enabling untracked cache
update-index: manually enable or disable untracked cache
status: enable untracked cache
untracked-cache: temporarily disable with $GIT_DISABLE_UNTRACKED_CACHE
untracked cache: mark index dirty if untracked cache is updated
untracked cache: print stats with $GIT_TRACE_UNTRACKED_STATS
untracked cache: avoid racy timestamps
read-cache.c: split racy stat test to a separate function
untracked cache: invalidate at index addition or removal
untracked cache: load from UNTR index extension
untracked cache: save to an index extension
ewah: add convenient wrapper ewah_serialize_strbuf()
untracked cache: don't open non-existent .gitignore
untracked cache: mark what dirs should be recursed/saved
untracked cache: record/validate dir mtime and reuse cached output
untracked cache: make a wrapper around {open,read,close}dir()
...
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As of d089ebaa (setup: sanitize absolute and funny paths in
get_pathspec(), 2008-01-28), prefix_path() always returns a
newly allocated string, so callers should free its result.
Additionally, drop the const from variables to which the result of
the prefix_path() is assigned, so they can be free()'d without
having to cast-away the constness.
Signed-off-by: Stefan Beller <sbeller@google.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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`old` is not used outside the loop and would get lost
once we reach the goto.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the user enables untracked cache, then
- move worktree to an unsupported filesystem
- or simply upgrade OS
- or move the whole (portable) disk from one machine to another
- or access a shared fs from another machine
there's no guarantee that untracked cache can still function properly.
Record the worktree location and OS footprint in the cache. If it
changes, err on the safe side and disable the cache. The user can
'update-index --untracked-cache' again to make sure all conditions are
met.
This adds a new requirement that setup_git_directory* must be called
before read_cache() because we need worktree location by then, or the
cache is dropped.
This change does not cover all bases, you can fool it if you try
hard. The point is to stop accidents.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Helped-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Overall time saving on "git status" is about 40% in the best case
scenario, removing ..collect_untracked() as the most time consuming
function. read and refresh index operations are now at the top (which
should drop when index-helper and/or watchman support is added). More
numbers and analysis below.
webkit.git
==========
169k files. 6k dirs. Lots of test data (i.e. not touched most of the
time)
Base status
-----------
Index version 4 in split index mode and cache-tree populated. No
untracked cache. It shows how time is consumed by "git status". The
same settings are used for other repos below.
18:28:10.199679 builtin/commit.c:1394 performance: 0.000000451 s: cmd_status:setup
18:28:10.474847 read-cache.c:1407 performance: 0.274873831 s: read_index
18:28:10.475295 read-cache.c:1407 performance: 0.000000656 s: read_index
18:28:10.728443 preload-index.c:131 performance: 0.253147487 s: read_index_preload
18:28:10.741422 read-cache.c:1254 performance: 0.012868340 s: refresh_index
18:28:10.752300 wt-status.c:623 performance: 0.010421357 s: wt_status_collect_changes_worktree
18:28:10.762069 wt-status.c:629 performance: 0.009644748 s: wt_status_collect_changes_index
18:28:11.601019 wt-status.c:632 performance: 0.838859547 s: wt_status_collect_untracked
18:28:11.605939 builtin/commit.c:1421 performance: 0.004835004 s: cmd_status:update_index
18:28:11.606580 trace.c:415 performance: 1.407878388 s: git command: 'git' 'status'
Populating status
-----------------
This is after enabling untracked cache and the cache is still empty.
We see a slight increase in .._collect_untracked() and update_index
(because new cache has to be written to $GIT_DIR/index).
18:28:18.915213 builtin/commit.c:1394 performance: 0.000000326 s: cmd_status:setup
18:28:19.197364 read-cache.c:1407 performance: 0.281901416 s: read_index
18:28:19.197754 read-cache.c:1407 performance: 0.000000546 s: read_index
18:28:19.451355 preload-index.c:131 performance: 0.253599607 s: read_index_preload
18:28:19.464400 read-cache.c:1254 performance: 0.012935336 s: refresh_index
18:28:19.475115 wt-status.c:623 performance: 0.010236920 s: wt_status_collect_changes_worktree
18:28:19.486022 wt-status.c:629 performance: 0.010801685 s: wt_status_collect_changes_index
18:28:20.362660 wt-status.c:632 performance: 0.876551366 s: wt_status_collect_untracked
18:28:20.396199 builtin/commit.c:1421 performance: 0.033447969 s: cmd_status:update_index
18:28:20.396939 trace.c:415 performance: 1.482695902 s: git command: 'git' 'status'
Populated status
----------------
After the cache is populated, wt_status_collect_untracked() drops 82%
from 0.838s to 0.144s. Overall time drops 45%. Top offenders are now
read_index() and read_index_preload().
18:28:20.408605 builtin/commit.c:1394 performance: 0.000000457 s: cmd_status:setup
18:28:20.692864 read-cache.c:1407 performance: 0.283980458 s: read_index
18:28:20.693273 read-cache.c:1407 performance: 0.000000661 s: read_index
18:28:20.958814 preload-index.c:131 performance: 0.265540254 s: read_index_preload
18:28:20.972375 read-cache.c:1254 performance: 0.013437429 s: refresh_index
18:28:20.983959 wt-status.c:623 performance: 0.011146646 s: wt_status_collect_changes_worktree
18:28:20.993948 wt-status.c:629 performance: 0.009879094 s: wt_status_collect_changes_index
18:28:21.138125 wt-status.c:632 performance: 0.144084737 s: wt_status_collect_untracked
18:28:21.173678 builtin/commit.c:1421 performance: 0.035463949 s: cmd_status:update_index
18:28:21.174251 trace.c:415 performance: 0.766707355 s: git command: 'git' 'status'
gentoo-x86.git
==============
This repository is a strange one with a balanced, wide and shallow
worktree (about 100k files and 23k dirs) and no .gitignore in
worktree. .._collect_untracked() time drops 88%, total time drops 56%.
Base status
-----------
18:20:40.828642 builtin/commit.c:1394 performance: 0.000000496 s: cmd_status:setup
18:20:41.027233 read-cache.c:1407 performance: 0.198130532 s: read_index
18:20:41.027670 read-cache.c:1407 performance: 0.000000581 s: read_index
18:20:41.171716 preload-index.c:131 performance: 0.144045594 s: read_index_preload
18:20:41.179171 read-cache.c:1254 performance: 0.007320424 s: refresh_index
18:20:41.185785 wt-status.c:623 performance: 0.006144638 s: wt_status_collect_changes_worktree
18:20:41.192701 wt-status.c:629 performance: 0.006780184 s: wt_status_collect_changes_index
18:20:41.991723 wt-status.c:632 performance: 0.798927029 s: wt_status_collect_untracked
18:20:41.994664 builtin/commit.c:1421 performance: 0.002852772 s: cmd_status:update_index
18:20:41.995458 trace.c:415 performance: 1.168427502 s: git command: 'git' 'status'
Populating status
-----------------
18:20:48.968848 builtin/commit.c:1394 performance: 0.000000380 s: cmd_status:setup
18:20:49.172918 read-cache.c:1407 performance: 0.203734214 s: read_index
18:20:49.173341 read-cache.c:1407 performance: 0.000000562 s: read_index
18:20:49.320013 preload-index.c:131 performance: 0.146671391 s: read_index_preload
18:20:49.328039 read-cache.c:1254 performance: 0.007921957 s: refresh_index
18:20:49.334680 wt-status.c:623 performance: 0.006172020 s: wt_status_collect_changes_worktree
18:20:49.342526 wt-status.c:629 performance: 0.007731746 s: wt_status_collect_changes_index
18:20:50.257510 wt-status.c:632 performance: 0.914864222 s: wt_status_collect_untracked
18:20:50.338371 builtin/commit.c:1421 performance: 0.080776477 s: cmd_status:update_index
18:20:50.338900 trace.c:415 performance: 1.371462446 s: git command: 'git' 'status'
Populated status
----------------
18:20:50.351160 builtin/commit.c:1394 performance: 0.000000571 s: cmd_status:setup
18:20:50.577358 read-cache.c:1407 performance: 0.225917338 s: read_index
18:20:50.577794 read-cache.c:1407 performance: 0.000000617 s: read_index
18:20:50.734140 preload-index.c:131 performance: 0.156345564 s: read_index_preload
18:20:50.745717 read-cache.c:1254 performance: 0.011463075 s: refresh_index
18:20:50.755176 wt-status.c:623 performance: 0.008877929 s: wt_status_collect_changes_worktree
18:20:50.763768 wt-status.c:629 performance: 0.008471633 s: wt_status_collect_changes_index
18:20:50.854885 wt-status.c:632 performance: 0.090988721 s: wt_status_collect_untracked
18:20:50.857765 builtin/commit.c:1421 performance: 0.002789097 s: cmd_status:update_index
18:20:50.858411 trace.c:415 performance: 0.508647673 s: git command: 'git' 'status'
linux-2.6
=========
Reference repo. Not too big. .._collect_status() drops 84%. Total time
drops 42%.
Base status
-----------
18:34:09.870122 builtin/commit.c:1394 performance: 0.000000385 s: cmd_status:setup
18:34:09.943218 read-cache.c:1407 performance: 0.072871177 s: read_index
18:34:09.943614 read-cache.c:1407 performance: 0.000000491 s: read_index
18:34:10.004364 preload-index.c:131 performance: 0.060748102 s: read_index_preload
18:34:10.008190 read-cache.c:1254 performance: 0.003714285 s: refresh_index
18:34:10.012087 wt-status.c:623 performance: 0.002775446 s: wt_status_collect_changes_worktree
18:34:10.016054 wt-status.c:629 performance: 0.003862140 s: wt_status_collect_changes_index
18:34:10.214747 wt-status.c:632 performance: 0.198604837 s: wt_status_collect_untracked
18:34:10.216102 builtin/commit.c:1421 performance: 0.001244166 s: cmd_status:update_index
18:34:10.216817 trace.c:415 performance: 0.347670735 s: git command: 'git' 'status'
Populating status
-----------------
18:34:16.595102 builtin/commit.c:1394 performance: 0.000000456 s: cmd_status:setup
18:34:16.666600 read-cache.c:1407 performance: 0.070992413 s: read_index
18:34:16.667012 read-cache.c:1407 performance: 0.000000606 s: read_index
18:34:16.729375 preload-index.c:131 performance: 0.062362492 s: read_index_preload
18:34:16.732565 read-cache.c:1254 performance: 0.003075517 s: refresh_index
18:34:16.736148 wt-status.c:623 performance: 0.002422201 s: wt_status_collect_changes_worktree
18:34:16.739990 wt-status.c:629 performance: 0.003746618 s: wt_status_collect_changes_index
18:34:16.948505 wt-status.c:632 performance: 0.208426710 s: wt_status_collect_untracked
18:34:16.961744 builtin/commit.c:1421 performance: 0.013151887 s: cmd_status:update_index
18:34:16.962233 trace.c:415 performance: 0.368537535 s: git command: 'git' 'status'
Populated status
----------------
18:34:16.970026 builtin/commit.c:1394 performance: 0.000000631 s: cmd_status:setup
18:34:17.046235 read-cache.c:1407 performance: 0.075904673 s: read_index
18:34:17.046644 read-cache.c:1407 performance: 0.000000681 s: read_index
18:34:17.113564 preload-index.c:131 performance: 0.066920253 s: read_index_preload
18:34:17.117281 read-cache.c:1254 performance: 0.003604055 s: refresh_index
18:34:17.121115 wt-status.c:623 performance: 0.002508345 s: wt_status_collect_changes_worktree
18:34:17.125089 wt-status.c:629 performance: 0.003871636 s: wt_status_collect_changes_index
18:34:17.156089 wt-status.c:632 performance: 0.030895703 s: wt_status_collect_untracked
18:34:17.169861 builtin/commit.c:1421 performance: 0.013686404 s: cmd_status:update_index
18:34:17.170391 trace.c:415 performance: 0.201474531 s: git command: 'git' 'status'
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch puts the usage info strings that were not already in docopt-
like format into docopt-like format, which will be a litle easier for
end users and a lot easier for translators. Changes include:
- Placing angle brackets around fill-in-the-blank parameters
- Putting dashes in multiword parameter names
- Adding spaces to [-f|--foobar] to make [-f | --foobar]
- Replacing <foobar>* with [<foobar>...]
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the interface declaration for the functions in lockfile.c from
cache.h to a new file, lockfile.h. Add #includes where necessary (and
remove some redundant includes of cache.h by files that already
include builtin.h).
Move the documentation of the lock_file state diagram from lockfile.c
to the new header file.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function is used for other things besides the index, so rename it
accordingly.
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Ronnie Sahlberg <sahlberg@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An experiment to use two files (the base file and incremental
changes relative to it) to represent the index to reduce I/O cost
of rewriting a large index when only small part of the working tree
changes.
* nd/split-index: (32 commits)
t1700: new tests for split-index mode
t2104: make sure split index mode is off for the version test
read-cache: force split index mode with GIT_TEST_SPLIT_INDEX
read-tree: note about dropping split-index mode or index version
read-tree: force split-index mode off on --index-output
rev-parse: add --shared-index-path to get shared index path
update-index --split-index: do not split if $GIT_DIR is read only
update-index: new options to enable/disable split index mode
split-index: strip pathname of on-disk replaced entries
split-index: do not invalidate cache-tree at read time
split-index: the reading part
split-index: the writing part
read-cache: mark updated entries for split index
read-cache: save deleted entries in split index
read-cache: mark new entries for split index
read-cache: split-index mode
read-cache: save index SHA-1 after reading
entry.c: update cache_changed if refresh_cache is set in checkout_entry()
cache-tree: mark istate->cache_changed on prime_cache_tree()
cache-tree: mark istate->cache_changed on cache tree update
...
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If you have a large work tree but only make changes in a subset, then
$GIT_DIR/index's size should be stable after a while. If you change
branches that touch something else, $GIT_DIR/index's size may grow
large that it becomes as slow as the unified index. Do --split-index
again occasionally to force all changes back to the shared index and
keep $GIT_DIR/index small.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The large part of this patch just follows CE_ENTRY_CHANGED
marks. replace_index_entry() is updated to update
split_index->base->cache[] as well so base->cache[] does not reference
to a freed entry.
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: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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cache entry additions, removals and modifications are separated
out. The rest of changes are still in the catch-all flag
SOMETHING_CHANGED, which would be more specific later.
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: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running "git update-index --cacheinfo" without any further
arguments results in a segfault rather than an error
message. Commit ec160ae (update-index: teach --cacheinfo a
new syntax "mode,sha1,path", 2014-03-23) added code to
examine the format of the argument, but forgot to handle the
NULL case.
Returning an error from the parser is enough, since we then
treat it as an old-style "--cacheinfo <mode> <sha1> <path>",
and complain that we have less than 3 arguments to read.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "--cacheinfo" option is unusual in that it takes three option
parameters. An option with an optional parameter is bad enough. An
option with multiple parameters is simply insane.
Introduce a new syntax that takes these three things concatenated
together with a comma, which makes the command line syntax more
uniform across subcommands, while retaining the traditional syntax
for backward compatiblity.
If we were designing the "update-index" subcommand from scratch
today, it may probably have made sense to make this option (and
possibly others) a command mode option that does not take any option
parameter (hence no need for arg-help). But we do not live in such
an ideal world, and as far as I can tell, the command still supports
(and must support) mixed command modes in a single invocation, e.g.
$ git update-index path1 --add path2 \
--cacheinfo 100644 $(git hash-object --stdin -w <path3) path3 \
path4
must make sure path1 is already in the index and update all of these
four paths. So this is probably as far as we can go to fix this issue
without risking to break people's existing scripts.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow "git cmd path/", when the 'path' is where a submodule is
bound to the top-level working tree, to match 'path', despite the
extra and unnecessary trailing slash.
* nd/submodule-pathspec-ending-with-slash:
clean: use cache_name_is_other()
clean: replace match_pathspec() with dir_path_match()
pathspec: pass directory indicator to match_pathspec_item()
match_pathspec: match pathspec "foo/" against directory "foo"
dir.c: prepare match_pathspec_item for taking more flags
pathspec: rename match_pathspec_depth() to match_pathspec()
pathspec: convert some match_pathspec_depth() to dir_path_match()
pathspec: convert some match_pathspec_depth() to ce_path_match()
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This helps reduce the number of match_pathspec_depth() call sites and
show how match_pathspec_depth() is used.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When cache_entry structs are removed from index_state.cache, they are not
properly freed. Freeing those entries wasn't possible before because we
couldn't remove them from index_state.name_hash.
Now that we _do_ remove the entries from name_hash, we can also free them.
Add 'free(cache_entry)' to all call sites of name-hash.c::remove_name_hash
in read-cache.c (we could free() directly in remove_name_hash(), but
name-hash.c isn't concerned with cache_entry allocation at all).
Accessing a cache_entry after removing it from the index is now no longer
allowed, as the memory has been freed. The following functions need minor
fixes (typically by copying ce->name before use):
- builtin/rm.c::cmd_rm
- builtin/update-index.c::do_reupdate
- read-cache.c::read_index_unmerged
- resolve-undo.c::unmerge_index_entry_at
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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do_reupdate calls update_one with a cache_entry.name, there's no need for
the extra sanitation / normalization that happens in prefix_path.
cmd_update_index calls update_one with an already prefixed path, no need to
prefix_path twice.
Remove the extra prefix_path from update_one. Also remove the now unused
'prefix' and 'prefix_length' parameters.
As of d089eba "setup: sanitize absolute and funny paths in get_pathspec()",
prefix_path uncoditionally returns a copy, even if the passed in path isn't
changed. Lets unconditionally free() the result.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'git update-index --verbose' consistently reports paths relative to the
work-tree root. The only exception is the '--again' option, which reports
paths relative to the current working directory.
Change do_reupdate to use non-prefixed paths.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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