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Jeff King de1e67d070 list-objects: pass full pathname to callbacks 
When we find a blob at "a/b/c", we currently pass this to
our show_object_fn callbacks as two components: "a/b/" and
"c". Callbacks which want the full value then call
path_name(), which concatenates the two. But this is an
inefficient interface; the path is a strbuf, and we could
simply append "c" to it temporarily, then roll back the
length, without creating a new copy.

So we could improve this by teaching the callsites of
path_name() this trick (and there are only 3). But we can
also notice that no callback actually cares about the
broken-down representation, and simply pass each callback
the full path "a/b/c" as a string. The callback code becomes
even simpler, then, as we do not have to worry about freeing
an allocated buffer, nor rolling back our modification to
the strbuf.

This is theoretically less efficient, as some callbacks
would not bother to format the final path component. But in
practice this is not measurable. Since we use the same
strbuf over and over, our work to grow it is amortized, and
we really only pay to memcpy a few bytes.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
 		2016-02-12 12:51:17 -08:00
..
add.c Merge branch 'jc/add-u-A-default-to-top' into maint 2015-11-05 12:18:12 -08:00
am.c Merge branch 'nd/diff-with-path-params' 2016-02-03 14:16:04 -08:00
annotate.c annotate: use argv_array 2014-07-16 11:10:11 -07:00
apply.c apply, ls-files: simplify "-z" parsing 2016-02-01 14:14:20 -08:00
archive.c replace {pre,suf}fixcmp() with {starts,ends}_with() 2013-12-05 14:13:21 -08:00
bisect--helper.c Replace deprecated OPT_BOOLEAN by OPT_BOOL 2013-08-05 11:32:19 -07:00
blame.c Merge branch 'nd/ita-cleanup' 2016-01-20 11:43:25 -08:00
branch.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
bundle.c bundle: verify arguments more strictly 2015-05-08 10:52:11 -07:00
cat-file.c cat-file: read batch stream with strbuf_getline() 2016-01-15 10:35:06 -08:00
check-attr.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-ignore.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-mailmap.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
check-ref-format.c standardize usage info string format 2015-01-14 09:32:04 -08:00
checkout-index.c checkout-index: disallow "--no-stage" option 2016-02-01 13:43:49 -08:00
checkout.c checkout,clone: check return value of create_symref 2016-01-12 11:11:52 -08:00
clean.c Merge branch 'jk/ref-cache-non-repository-optim' 2016-02-03 14:16:07 -08:00
clone.c Merge branch 'jc/peace-with-crlf' 2016-02-03 14:15:58 -08:00
column.c column: read lines with strbuf_getline() 2016-01-15 10:35:07 -08:00
commit-tree.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
commit.c Merge branch 'jc/strbuf-getline' 2016-01-28 16:10:14 -08:00
config.c config: use xstrfmt in normalize_value 2015-09-25 10:18:18 -07:00
count-objects.c prepare_packed_git(): refactor garbage reporting in pack directory 2015-08-17 09:14:59 -07:00
credential.c
…
describe.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
diff-files.c standardize usage info string format 2015-01-14 09:32:04 -08:00
diff-index.c standardize usage info string format 2015-01-14 09:32:04 -08:00
diff-tree.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
diff.c Merge branch 'nd/diff-with-path-params' 2016-02-03 14:16:04 -08:00
fast-export.c Merge branch 'js/fopen-harder' 2016-01-20 11:43:35 -08:00
fetch-pack.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
fetch.c Merge branch 'js/close-packs-before-gc' 2016-01-26 15:40:29 -08:00
fmt-merge-msg.c Merge branch 'rs/pop-commit' into maint 2015-12-11 11:14:13 -08:00
for-each-ref.c ref-filter: add option to match literal pattern 2015-09-17 10:02:49 -07:00
fsck.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
gc.c Merge branch 'dk/gc-idx-wo-pack' into maint 2015-12-04 11:33:08 -08:00
get-tar-commit-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
grep.c Merge branch 'jc/peace-with-crlf' 2016-02-03 14:15:58 -08:00
hash-object.c Merge branch 'jk/options-cleanup' 2016-02-10 14:20:08 -08:00
help.c convert strncpy to memcpy 2015-10-05 11:08:06 -07:00
index-pack.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
init-db.c initdb: make safe_create_dir public 2015-11-20 04:52:01 -05:00
interpret-trailers.c interpret-trailers: add option for in-place editing 2016-01-14 12:22:17 -08:00
log.c format-patch: introduce format.outputDirectory configuration 2016-01-13 10:55:01 -08:00
ls-files.c Merge branch 'jk/options-cleanup' 2016-02-10 14:20:08 -08:00
ls-remote.c ls-remote: add support for showing symrefs 2016-01-19 10:07:56 -08:00
ls-tree.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
mailinfo.c mailinfo: libify 2015-10-21 15:59:34 -07:00
mailsplit.c mailsplit: make PATH_MAX buffers dynamic 2015-09-25 10:18:18 -07:00
merge-base.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
merge-file.c Merge branch 'jk/merge-file-exit-code' into maint 2015-11-03 15:32:41 -08:00
merge-index.c use sha1_to_hex_r() instead of strcpy 2015-10-05 11:08:05 -07:00
merge-ours.c
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merge-recursive.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
merge-tree.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
merge.c merge: release pack files before garbage-collecting 2016-01-13 11:36:28 -08:00
mktag.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
mktree.c mktree: there are only two possible line terminations 2016-01-15 10:12:58 -08:00
mv.c standardize usage info string format 2015-01-14 09:32:04 -08:00
name-rev.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
notes.c Merge branch 'jk/notes-merge-from-anywhere' 2016-02-03 14:15:59 -08:00
pack-objects.c list-objects: pass full pathname to callbacks 2016-02-12 12:51:17 -08:00
pack-redundant.c standardize usage info string format 2015-01-14 09:32:04 -08:00
pack-refs.c standardize usage info string format 2015-01-14 09:32:04 -08:00
patch-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
prune-packed.c standardize usage info string format 2015-01-14 09:32:04 -08:00
prune.c Merge branch 'jk/repository-extension' into maint 2015-11-03 15:32:25 -08:00
pull.c Merge branch 'jc/strbuf-getline' 2016-01-28 16:10:14 -08:00
push.c Merge branch 'ps/push-delete-option' 2016-01-12 15:16:54 -08:00
read-tree.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
receive-pack.c Merge branch 'js/close-packs-before-gc' 2016-01-26 15:40:29 -08:00
reflog.c Merge branch 'rs/pop-commit' into maint 2015-12-11 11:14:13 -08:00
remote-ext.c remote-ext: simplify git pkt-line generation 2015-09-25 10:18:18 -07:00
remote-fd.c
…
remote.c remote: handle the config setting branch.*.rebase=interactive 2016-01-13 13:00:01 -08:00
repack.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
replace.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
rerere.c Sync with 2.6.1 2015-10-05 13:20:08 -07:00
reset.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
rev-list.c list-objects: pass full pathname to callbacks 2016-02-12 12:51:17 -08:00
rev-parse.c rev-parse: read parseopt spec with strbuf_getline() 2016-01-15 10:34:41 -08:00
revert.c standardize usage info string format 2015-01-14 09:32:04 -08:00
rm.c Merge branch 'nd/ita-cleanup' 2016-01-20 11:43:25 -08:00
send-pack.c send-pack: read list of refs with strbuf_getline() 2016-01-15 10:35:07 -08:00
shortlog.c Merge branch 'jk/shortlog' 2016-01-28 16:10:14 -08:00
show-branch.c Merge branch 'rs/show-branch-argv-array' into maint 2015-12-11 11:14:14 -08:00
show-ref.c show-ref: stop using PARSE_OPT_NO_INTERNAL_HELP 2015-11-20 08:02:07 -05:00
stripspace.c Merge branch 'jc/usage-stdin' into maint 2015-11-03 15:32:38 -08:00
submodule--helper.c submodule: rewrite `module_clone` shell function in C 2015-09-08 15:48:21 -07:00
symbolic-ref.c symbolic-ref: propagate error code from create_symref() 2015-12-21 12:03:03 -08:00
tag.c tag: do not show ambiguous tag names as "tags/foo" 2016-01-26 13:34:10 -08:00
unpack-file.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
unpack-objects.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
update-index.c Merge branch 'jk/options-cleanup' 2016-02-10 14:20:08 -08:00
update-ref.c tag, update-ref: improve description of option "create-reflog" 2015-09-11 09:50:02 -07:00
update-server-info.c
…
upload-archive.c upload-archive: convert sprintf to strbuf 2015-09-25 10:18:18 -07:00
var.c
…
verify-commit.c verify-commit: add option to print raw gpg status information 2015-06-22 14:20:47 -07:00
verify-pack.c standardize usage info string format 2015-01-14 09:32:04 -08:00
verify-tag.c verify-tag: add option to print raw gpg status information 2015-06-22 14:20:47 -07:00
worktree.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
write-tree.c
…