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git/builtin
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Thomas Gummerer 6df5762db3 diff: don't read index when --no-index is given 
git diff --no-index ... currently reads the index, during setup, when
calling gitmodules_config().  This results in worse performance when the
index is not actually needed.  This patch avoids calling
gitmodules_config() when the --no-index option is given.  The times for
executing "git diff --no-index" in the WebKit repository are improved as
follows:

Test                      HEAD~3            HEAD
------------------------------------------------------------------
4001.1: diff --no-index   0.24(0.15+0.09)   0.01(0.00+0.00) -95.8%

An additional improvement of this patch is that "git diff --no-index" no
longer breaks when the index file is corrupt, which makes it possible to
use it for investigating the broken repository.

To improve the possible usage as investigation tool for broken
repositories, setup_git_directory_gently() is also not called when the
--no-index option is given.

Also add a test to guard against future breakages, and a performance
test to show the improvements.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-12 12:23:02 -08:00
..
add.c Merge branch 'fc/trivial' 2013-09-17 11:42:34 -07:00
annotate.c
apply.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
archive.c pkt-line: provide a LARGE_PACKET_MAX static buffer 2013-02-20 13:42:22 -08:00
bisect--helper.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
blame.c pathspec: stop --*-pathspecs impact on internal parse_pathspec() uses 2013-10-28 09:57:36 -07:00
branch.c Merge branch 'jx/branch-vv-always-compare-with-upstream' 2013-11-18 12:24:49 -08:00
bundle.c
cat-file.c Merge branch 'mg/more-textconv' 2013-10-23 13:21:31 -07:00
check-attr.c Merge branch 'sb/parseopt-boolean-removal' 2013-09-04 12:39:03 -07:00
check-ignore.c Merge branch 'dw/check-ignore-sans-index' 2013-09-20 12:37:32 -07:00
check-mailmap.c builtin: add git-check-mailmap command 2013-07-13 10:19:37 -07:00
check-ref-format.c Change check_refname_format() to reject unnormalized refnames 2011-10-05 13:45:30 -07:00
checkout-index.c Merge branch 'nd/lift-path-max' 2013-10-30 12:10:56 -07:00
checkout.c Merge branch 'mm/checkout-auto-track-fix' 2013-10-30 12:10:16 -07:00
clean.c Merge branch 'jl/submodule-mv' 2013-09-09 14:36:15 -07:00
clone.c Merge branch 'jk/clone-progress-to-stderr' 2013-10-18 13:49:51 -07:00
column.c i18n: column: mark parseopt strings for translation 2012-08-20 12:23:16 -07:00
commit-tree.c commit-tree: document -S option consistently 2013-03-25 15:01:22 -07:00
commit.c Merge branch 'mm/commit-template-squelch-advice-messages' 2013-09-20 12:36:32 -07:00
config.c Merge branch 'jk/config-int-range-check' 2013-09-12 14:41:00 -07:00
count-objects.c count-objects: add -H option to humanize sizes 2013-04-10 13:27:26 -07:00
credential.c git credential fill: output the whole 'struct credential' 2012-06-25 11:56:24 -07:00
describe.c describe: trivial style fixes 2013-10-31 13:47:35 -07:00
diff-files.c convert read_cache_preload() to take struct pathspec 2013-07-15 10:56:08 -07:00
diff-index.c convert read_cache_preload() to take struct pathspec 2013-07-15 10:56:08 -07:00
diff-tree.c
diff.c diff: don't read index when --no-index is given 2013-12-12 12:23:02 -08:00
fast-export.c Merge branch 'fc/fast-export' 2013-09-17 11:42:31 -07:00
fetch-pack.c Merge branch 'jc/push-cas' 2013-09-09 14:30:29 -07:00
fetch.c Merge branch 'bk/refs-multi-update' 2013-09-20 12:36:12 -07:00
fmt-merge-msg.c Merge branch 'rt/commentchar-fmt-merge-msg' into maint 2013-04-26 11:10:47 -07:00
for-each-ref.c Merge branch 'jk/for-each-ref-skip-parsing' 2013-11-01 07:38:41 -07:00
fsck.c Merge branch 'jk/free-tree-buffer' 2013-09-17 11:37:33 -07:00
gc.c Merge branch 'nd/gc-lock-against-each-other' 2013-10-30 12:10:27 -07:00
grep.c Merge branch 'mg/more-textconv' 2013-10-23 13:21:31 -07:00
hash-object.c hash-object: replace stdin parsing OPT_BOOLEAN by OPT_COUNTUP 2013-08-07 08:30:55 -07:00
help.c Merge branch 'ph/builtin-srcs-are-in-subdir-these-days' into maint 2013-07-21 22:51:29 -07:00
index-pack.c Merge branch 'jk/free-tree-buffer' 2013-09-17 11:37:33 -07:00
init-db.c i18n: init-db: mark parseopt strings for translation 2012-08-20 12:23:17 -07:00
log.c Merge branch 'mg/more-textconv' 2013-10-23 13:21:31 -07:00
ls-files.c Merge branch 'jc/ls-files-killed-optim' 2013-09-11 15:03:28 -07:00
ls-remote.c ls-remote: document the '--get-url' option 2012-09-07 10:58:35 -07:00
ls-tree.c Merge branch 'jl/submodule-mv' 2013-09-09 14:36:15 -07:00
mailinfo.c Merge branch 'jc/same-encoding' into maint 2012-12-07 14:10:56 -08:00
mailsplit.c mailsplit: sort maildir filenames more cleverly 2013-03-02 22:52:44 -08:00
merge-base.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
merge-file.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
merge-index.c Convert "struct cache_entry *" to "const ..." wherever possible 2013-07-09 09:12:48 -07:00
merge-ours.c
merge-recursive.c
merge-tree.c merge-tree: handle directory/empty conflict correctly 2013-05-06 22:17:00 -07:00
merge.c merge: simplify ff-only option 2013-10-31 11:12:24 -07:00
mktag.c
mktree.c i18n: mktree: mark parseopt strings for translation 2012-08-20 12:23:18 -07:00
mv.c mv: Fix spurious warning when moving a file in presence of submodules 2013-10-13 22:35:19 -07:00
name-rev.c branch, commit, name-rev: ease up boolean conditions 2013-08-07 08:30:30 -07:00
notes.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
pack-objects.c Merge branch 'jc/pack-objects' 2013-10-23 13:21:26 -07:00
pack-redundant.c Fix sizeof usage in get_permutations 2012-12-13 11:13:44 -08:00
pack-refs.c pack-refs: merge code from pack-refs.{c,h} into refs.{c,h} 2013-05-01 15:33:11 -07:00
patch-id.c
prune-packed.c prune-packed: avoid implying "1" is DRY_RUN in prune_packed_objects() 2013-05-28 09:20:54 -07:00
prune.c Merge branch 'nd/prune-packed-dryrun-verbose' 2013-06-06 12:17:52 -07:00
push.c Merge branch 'nd/push-no-thin' 2013-09-11 14:56:59 -07:00
read-tree.c C: have space around && and || operators 2013-10-16 10:26:39 -07:00
receive-pack.c Merge branch 'bk/refs-multi-update' 2013-09-20 12:36:12 -07:00
reflog.c Merge branch 'bk/refs-multi-update' 2013-09-20 12:36:12 -07:00
remote-ext.c
remote-fd.c
remote.c Merge branch 'po/remote-set-head-usage' 2013-10-14 11:07:29 -07:00
repack.c repack: improve warnings about failure of renaming and removing files 2013-09-17 13:34:57 -07:00
replace.c Merge branch 'cc/replace-with-the-same-type' 2013-09-24 23:35:24 -07:00
rerere.c rerere: convert to use parse_pathspec 2013-07-15 10:56:07 -07:00
reset.c reset: pass real rev name to add--interactive 2013-10-25 14:54:18 -07:00
rev-list.c C: have space around && and || operators 2013-10-16 10:26:39 -07:00
rev-parse.c Merge branch 'sb/parseopt-boolean-removal' 2013-09-04 12:39:03 -07:00
revert.c Merge branch 'hu/cherry-pick-previous-branch' 2013-10-23 13:21:35 -07:00
rm.c rm: re-use parse_pathspec's trailing-slash removal 2013-09-13 12:37:35 -07:00
send-pack.c send-pack: fix parsing of --force-with-lease option 2013-08-02 16:07:45 -07:00
shortlog.c Merge branch 'jk/shortlog-tolerate-broken-commit' 2013-09-24 23:29:00 -07:00
show-branch.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
show-ref.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
stripspace.c builtin/stripspace.c: fix broken indentation 2013-09-06 13:33:17 -07:00
symbolic-ref.c C: have space around && and || operators 2013-10-16 10:26:39 -07:00
tag.c Merge branch 'bk/refs-multi-update' 2013-09-20 12:36:12 -07:00
tar-tree.c tar-tree: remove dependency on sq_quote_print() 2013-07-30 08:10:35 -07:00
unpack-file.c
unpack-objects.c remove superfluous newlines in error messages 2012-04-30 15:45:51 -07:00
update-index.c Merge branch 'jl/submodule-mv' 2013-09-09 14:36:15 -07:00
update-ref.c Merge branch 'bk/refs-multi-update' 2013-09-20 12:36:12 -07:00
update-server-info.c i18n: update-server-info: mark parseopt strings for translation 2012-08-22 10:58:29 -07:00
upload-archive.c pkt-line: provide a LARGE_PACKET_MAX static buffer 2013-02-20 13:42:22 -08:00
var.c ident: rename IDENT_ERROR_ON_NO_NAME to IDENT_STRICT 2012-05-24 17:16:41 -07:00
verify-pack.c i18n: verify-pack: mark parseopt strings for translation 2012-08-22 10:58:29 -07:00
verify-tag.c gpg_interface: allow to request status return 2013-02-14 09:30:04 -08:00
write-tree.c i18n: write-tree: mark parseopt strings for translation 2012-08-22 10:58:29 -07:00