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Nicolas Pitre a3fbf4dfe1 pack-objects: make in_pack_header_size a variable of its own 
It currently aliases delta_size on the principle that reused deltas won't
go through the whole delta matching loop hence delta_size was unused.
This is not true if given delta doesn't find its base in the pack though.
But we need that information even for whole object data reuse.

Well in short the current state looks awful and is prone to bugs.  It just
works fine now because try_delta() tests trg_entry->delta before using
trg_entry->delta_size, but that is a bit subtle and I was wondering for a
while why things just worked fine... even if I'm guilty of having
introduced this abomination myself in the first place.

Let's do the sensible thing instead with no ambiguity, which is to have
a separate variable for in_pack_header_size.  This might even help future
optimizations.

While at it, let's reorder some struct object_entry members so they all
align well with their own width, regardless of the architecture or the
size of off_t.  Some memory saving is to be expected with this alone.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-16 17:43:31 -07:00
arm
compat Add a compat/strtoumax.c for Solaris 8. 2007-02-19 18:20:30 -08:00
contrib Merge branch 'maint' 2007-04-05 16:34:51 -07:00
Documentation git-archive: make tar the default format 2007-04-09 18:51:40 -07:00
git-gui Merge branch 'master' of git://repo.or.cz/git-gui 2007-03-12 23:14:07 -07:00
gitweb Merge branch 'maint' 2007-04-05 16:34:51 -07:00
mozilla-sha1
perl Do not output "GEN " when generating perl.mak 2007-03-14 01:33:49 -07:00
ppc
t tests for various pack index features 2007-04-11 19:32:03 -07:00
templates Reimplement emailing part of hooks--update in contrib/hooks/post-receive-email 2007-03-31 01:21:18 -07:00
xdiff xdiff/xutils.c(xdl_hash_record): factor out whitespace handling 2007-03-19 22:17:25 -07:00
.gitignore simple random data generator for tests 2007-04-11 19:23:32 -07:00
.mailmap .mailmap maintenance after pulling from git-svn 2007-02-23 03:11:52 -08:00
alloc.c
archive-tar.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
archive-zip.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
archive.h
base85.c
blob.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
blob.h
builtin-add.c Merge branch 'jc/index-output' 2007-04-07 02:26:24 -07:00
builtin-annotate.c
builtin-apply.c Merge branch 'jc/index-output' 2007-04-07 02:26:24 -07:00
builtin-archive.c git-archive: make tar the default format 2007-04-09 18:51:40 -07:00
builtin-blame.c blame: cmp_suspect is not "cmp" anymore. 2007-03-20 23:37:51 -07:00
builtin-branch.c Make builtin-branch.c handle the git config file 2007-04-06 16:54:39 -07:00
builtin-bundle.c Rename warn() to warning() to fix symbol conflicts on BSD and Mac OS 2007-03-31 01:11:11 -07:00
builtin-cat-file.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
builtin-check-ref-format.c
builtin-checkout-index.c _GIT_INDEX_OUTPUT: allow plumbing to output to an alternative index file. 2007-04-03 23:44:32 -07:00
builtin-commit-tree.c Cleanup check_valid in commit-tree. 2007-02-27 21:40:18 -08:00
builtin-config.c git-config: document --rename-section, provide --remove-section 2007-03-03 19:59:37 -08:00
builtin-count-objects.c get rid of num_packed_objects() 2007-04-10 12:48:14 -07:00
builtin-describe.c Mechanical conversion to use prefixcmp() 2007-02-20 22:03:15 -08:00
builtin-diff-files.c Allow git-diff exit with codes similar to diff(1) 2007-03-14 16:21:19 -07:00
builtin-diff-index.c Allow git-diff exit with codes similar to diff(1) 2007-03-14 16:21:19 -07:00
builtin-diff-tree.c Allow git-diff exit with codes similar to diff(1) 2007-03-14 16:21:19 -07:00
builtin-diff.c Allow git-diff exit with codes similar to diff(1) 2007-03-14 16:21:19 -07:00
builtin-fetch--tool.c builtin-fetch--tool: fix reflog notes. 2007-02-28 17:02:18 -08:00
builtin-fmt-merge-msg.c Merge branch 'maint' 2007-02-27 22:15:42 -08:00
builtin-for-each-ref.c General const correctness fixes 2007-03-07 10:47:10 -08:00
builtin-fsck.c get rid of num_packed_objects() 2007-04-10 12:48:14 -07:00
builtin-gc.c Make gc a builtin. 2007-03-17 00:34:19 -07:00
builtin-grep.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
builtin-init-db.c Mechanical conversion to use prefixcmp() 2007-02-20 22:03:15 -08:00
builtin-log.c Replace remaining instances of strdup with xstrdup. 2007-03-19 18:16:03 -07:00
builtin-ls-files.c Optimize directory listing with pathspec limiter. 2007-03-31 17:41:32 -07:00
builtin-ls-tree.c prefixcmp(): fix-up leftover strncmp(). 2007-02-20 22:03:15 -08:00
builtin-mailinfo.c git-mailinfo fixes for patch munging 2007-03-31 00:59:19 -07:00
builtin-mailsplit.c
builtin-merge-base.c
builtin-merge-file.c
builtin-mv.c Merge branch 'jc/index-output' 2007-04-07 02:26:24 -07:00
builtin-name-rev.c Merge branch 'js/name-rev-fix' 2007-02-20 22:24:03 -08:00
builtin-pack-objects.c pack-objects: make in_pack_header_size a variable of its own 2007-04-16 17:43:31 -07:00
builtin-pack-refs.c Mechanical conversion to use prefixcmp() 2007-02-20 22:03:15 -08:00
builtin-prune-packed.c
builtin-prune.c minor git-prune optimization 2007-03-20 22:17:47 -07:00
builtin-push.c git-push to multiple locations does not stop at the first failure 2007-04-07 02:27:31 -07:00
builtin-read-tree.c Merge branch 'jc/read-tree-df' (early part) 2007-04-07 23:52:40 -07:00
builtin-reflog.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
builtin-rerere.c rerere: make sorting really stable. 2007-04-04 14:12:03 -07:00
builtin-rev-list.c Merge branch 'maint' 2007-04-05 16:34:51 -07:00
builtin-rev-parse.c prefixcmp(): fix-up leftover strncmp(). 2007-02-20 22:03:15 -08:00
builtin-revert.c git-revert: Revert revert message to old behaviour 2007-03-24 02:50:22 -07:00
builtin-rm.c _GIT_INDEX_OUTPUT: allow plumbing to output to an alternative index file. 2007-04-03 23:44:32 -07:00
builtin-runstatus.c
builtin-shortlog.c shortlog: prompt when reading from terminal by mistake 2007-03-14 01:33:41 -07:00
builtin-show-branch.c General const correctness fixes 2007-03-07 10:47:10 -08:00
builtin-show-ref.c Merge branch 'maint' 2007-02-24 01:42:06 -08:00
builtin-stripspace.c
builtin-symbolic-ref.c
builtin-tar-tree.c prefixcmp(): fix-up mechanical conversion. 2007-02-20 22:03:15 -08:00
builtin-unpack-objects.c add overflow tests on pack offset variables 2007-04-10 12:48:14 -07:00
builtin-update-index.c Merge branch 'jc/index-output' 2007-04-07 02:26:24 -07:00
builtin-update-ref.c
builtin-upload-archive.c
builtin-verify-pack.c
builtin-write-tree.c _GIT_INDEX_OUTPUT: allow plumbing to output to an alternative index file. 2007-04-03 23:44:32 -07:00
builtin.h Make gc a builtin. 2007-03-17 00:34:19 -07:00
cache-tree.c
cache-tree.h
cache.h get rid of num_packed_objects() 2007-04-10 12:48:14 -07:00
check-builtins.sh
check-racy.c
color.c
color.h
combine-diff.c Cast 64 bit off_t to 32 bit size_t 2007-03-07 11:15:26 -08:00
commit.c Merge branch 'maint' to synchronize with 1.5.0.6 2007-03-28 15:39:57 -07:00
commit.h Merge branch 'js/commit-format' 2007-03-02 00:37:12 -08:00
config.c Fix renaming branch without config file 2007-04-05 14:53:22 -07:00
config.mak.in Add --with-tcltk and --without-tcltk to configure. 2007-03-31 23:59:47 -07:00
configure.ac Eliminate checks of user-specified Tcl/Tk interpreter. 2007-03-31 23:59:47 -07:00
connect.c Fix "getaddrinfo()" buglet 2007-03-27 13:00:13 -07:00
convert-objects.c General const correctness fixes 2007-03-07 10:47:10 -08:00
convert.c Make AutoCRLF ternary variable. 2007-02-14 11:19:28 -08:00
copy.c
COPYING
csum-file.c compute a CRC32 for each object as stored in a pack 2007-04-10 12:48:14 -07:00
csum-file.h compute a CRC32 for each object as stored in a pack 2007-04-10 12:48:14 -07:00
ctype.c
daemon.c prefixcmp(): fix-up mechanical conversion. 2007-02-20 22:03:15 -08:00
date.c show_date(): rename the "relative" parameter to "mode" 2007-02-27 17:29:37 -08:00
delta.h
diff-delta.c
diff-lib.c Teach --quiet to diff backends. 2007-03-14 16:21:19 -07:00
diff.c Show binary file size change in diff --stat 2007-04-05 15:07:16 -07:00
diff.h diff --quiet 2007-03-14 16:21:19 -07:00
diffcore-break.c Cast 64 bit off_t to 32 bit size_t 2007-03-07 11:15:26 -08:00
diffcore-delta.c
diffcore-order.c Cast 64 bit off_t to 32 bit size_t 2007-03-07 11:15:26 -08:00
diffcore-pickaxe.c
diffcore-rename.c Cast 64 bit off_t to 32 bit size_t 2007-03-07 11:15:26 -08:00
diffcore.h
dir.c Optimize directory listing with pathspec limiter. 2007-03-31 17:41:32 -07:00
dir.h Optimize directory listing with pathspec limiter. 2007-03-31 17:41:32 -07:00
dump-cache-tree.c
entry.c Add core.symlinks to mark filesystems that do not support symbolic links. 2007-03-02 16:58:05 -08:00
environment.c Limit the size of the new delta_base_cache 2007-03-18 22:43:37 -07:00
exec_cmd.c Mechanical conversion to use prefixcmp() 2007-02-20 22:03:15 -08:00
exec_cmd.h
fast-import.c Rename warn() to warning() to fix symbol conflicts on BSD and Mac OS 2007-03-31 01:11:11 -07:00
fetch-pack.c Merge branch 'js/fetch-progress' (early part) 2007-03-04 17:31:21 -08:00
fetch.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
fetch.h
generate-cmdlist.sh
git-add--interactive.perl
git-am.sh Use diff* with --exit-code in git-am, git-rebase and git-merge-ours 2007-03-24 23:01:36 -07:00
git-applymbox.sh applymbox: brown paper bag fix. 2007-03-16 21:22:05 -07:00
git-applypatch.sh
git-archimport.perl git-archimport: allow remapping branch names 2007-03-07 10:30:22 -08:00
git-bisect.sh git-bisect: allow bisecting with only one bad commit. 2007-04-06 17:55:57 -07:00
git-checkout.sh checkout: allow detaching to HEAD even when switching to the tip of a branch 2007-04-03 23:43:59 -07:00
git-clean.sh
git-clone.sh http-fetch: don't use double-slash as directory separator in URLs 2007-03-28 04:44:16 -07:00
git-commit.sh git-read-tree --index-output=<file> 2007-04-03 23:44:32 -07:00
git-compat-util.h make overflow test on delta base offset work regardless of variable size 2007-04-10 12:48:14 -07:00
git-cvsexportcommit.perl Merge branch 'maint' 2007-02-28 14:18:57 -08:00
git-cvsimport.perl cvsimport: Improve usage error reporting 2007-04-06 16:46:11 -07:00
git-cvsserver.perl cvsserver: further improve messages on commit and status 2007-03-14 02:09:33 -07:00
git-fetch.sh Merge branch 'js/fetch-progress' 2007-04-08 23:27:22 -07:00
git-instaweb.sh
git-lost-found.sh Fix lost-found to show commits only referenced by reflogs 2007-04-05 15:00:03 -07:00
git-ls-remote.sh Add git-bundle: move objects and references by archive 2007-02-22 22:30:33 -08:00
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-ours.sh Use diff* with --exit-code in git-am, git-rebase and git-merge-ours 2007-03-24 23:01:36 -07:00
git-merge-resolve.sh
git-merge-stupid.sh
git-merge.sh A new merge stragety 'subtree'. 2007-04-07 02:29:40 -07:00
git-mergetool.sh mergetool: Clean up description of files and prompts for merge resolutions 2007-03-29 22:46:16 -04:00
git-p4import.py
git-parse-remote.sh git-fetch, git-branch: Support local --track via a special remote '.' 2007-03-16 02:10:12 -07:00
git-pull.sh
git-quiltimport.sh git-quiltimport /bin/sh-ism fix 2007-03-29 23:11:33 -07:00
git-rebase.sh Use diff* with --exit-code in git-am, git-rebase and git-merge-ours 2007-03-24 23:01:36 -07:00
git-relink.perl
git-remote.perl Teach git-remote to list pushed branches. 2007-03-20 01:54:49 -07:00
git-repack.sh
git-request-pull.sh
git-reset.sh
git-send-email.perl Avoid composing too long "References" header. 2007-04-06 16:49:44 -07:00
git-sh-setup.sh
git-svn.perl git-svn: fix log command to avoid infinite loop on long commit messages 2007-04-08 19:54:07 -07:00
git-svnimport.perl
git-tag.sh
git-verify-tag.sh
GIT-VERSION-GEN GIT 1.5.1 2007-04-03 22:47:01 -07:00
git.c Revert "builtin-archive: use RUN_SETUP" 2007-04-05 14:10:10 -07:00
git.spec.in RPM spec: include git-p4 in the list of all packages. 2007-04-04 16:01:49 -07:00
gitk [PATCH] prefer "git COMMAND" over "git-COMMAND" in gitk 2007-03-21 22:02:19 +11:00
grep.c
grep.h
hash-object.c index_fd(): pass optional path parameter as hint for blob conversion 2007-02-28 12:00:00 -08:00
help.c use xrealloc in help.c 2007-03-27 16:57:57 -07:00
http-fetch.c Fix lseek(2) calls with args 2 and 3 swapped 2007-04-05 15:39:12 -07:00
http-push.c Fix lseek(2) calls with args 2 and 3 swapped 2007-04-05 15:39:12 -07:00
http.c
http.h
ident.c
imap-send.c prefixcmp(): fix-up leftover strncmp(). 2007-02-20 22:03:15 -08:00
index-pack.c allow forcing index v2 and 64-bit offset treshold 2007-04-10 12:48:14 -07:00
INSTALL
interpolate.c General const correctness fixes 2007-03-07 10:47:10 -08:00
interpolate.h General const correctness fixes 2007-03-07 10:47:10 -08:00
list-objects.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
list-objects.h
local-fetch.c [PATCH] local-fetch.c: some error printing cleanup 2007-03-16 21:27:35 -07:00
lockfile.c git-read-tree --index-output=<file> 2007-04-03 23:44:32 -07:00
log-tree.c format-patch --attach: not folding some long headers. 2007-03-04 17:31:29 -08:00
log-tree.h
Makefile simple random data generator for tests 2007-04-11 19:23:32 -07:00
match-trees.c A new merge stragety 'subtree'. 2007-04-07 02:29:40 -07:00
merge-file.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
merge-index.c Fix merge-index 2007-03-19 02:48:37 -07:00
merge-recursive.c A new merge stragety 'subtree'. 2007-04-07 02:29:40 -07:00
merge-tree.c Remove "pathlen" from "struct name_entry" 2007-03-21 10:21:56 -07:00
mktag.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
mktree.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
object-refs.c
object.c Don't ever return corrupt objects from "parse_object()" 2007-03-20 22:17:17 -07:00
object.h get rid of lookup_object_type() 2007-02-27 01:34:21 -08:00
pack-check.c get rid of num_packed_objects() 2007-04-10 12:48:14 -07:00
pack-redundant.c pack-redundant.c: learn about index v2 2007-04-10 12:48:14 -07:00
pack.h [PATCH] clean up pack index handling a bit 2007-03-16 21:27:36 -07:00
pager.c
patch-delta.c
patch-id.c
path-list.c
path-list.h
path.c General const correctness fixes 2007-03-07 10:47:10 -08:00
peek-remote.c prefixcmp(): fix-up mechanical conversion. 2007-02-20 22:03:15 -08:00
pkt-line.c
pkt-line.h
quote.c
quote.h
reachable.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
reachable.h
read-cache.c Merge branch 'jc/read-tree-df' (early part) 2007-04-07 23:52:40 -07:00
README Update README to point at a few key periodical messages to the list 2007-03-25 17:42:32 -07:00
receive-pack.c Use run_command within receive-pack to invoke index-pack 2007-03-12 23:40:18 -07:00
reflog-walk.c
reflog-walk.h
refs.c Make builtin-branch.c handle the git config file 2007-04-06 16:54:39 -07:00
refs.h
RelNotes Start 1.5.2 cycle by prepareing RelNotes for it. 2007-04-07 23:59:32 -07:00
revision.c Rename warn() to warning() to fix symbol conflicts on BSD and Mac OS 2007-03-31 01:11:11 -07:00
revision.h git-log --first-parent: show only the first parent log 2007-03-14 16:22:18 -07:00
rsh.c
rsh.h
run-command.c Teach run-command to redirect stdout to /dev/null 2007-03-12 23:40:17 -07:00
run-command.h Teach run-command to redirect stdout to /dev/null 2007-03-12 23:40:17 -07:00
send-pack.c Use run_command within send-pack 2007-03-12 23:40:18 -07:00
server-info.c
setup.c Merge branch 'maint' 2007-03-10 22:07:26 -08:00
sha1_file.c sha1_file.c: learn about index version 2 2007-04-10 12:48:14 -07:00
sha1_name.c get rid of num_packed_objects() 2007-04-10 12:48:14 -07:00
shallow.c
shell.c Mechanical conversion to use prefixcmp() 2007-02-20 22:03:15 -08:00
show-index.c show-index.c: learn about index v2 2007-04-10 12:48:14 -07:00
sideband.c
sideband.h
ssh-fetch.c
ssh-pull.c
ssh-push.c
ssh-upload.c
strbuf.c
strbuf.h
tag.c get rid of lookup_object_type() 2007-02-27 01:34:21 -08:00
tag.h
tar.h
test-chmtime.c Add test-chmtime: a utility to change mtime on files 2007-02-25 11:09:56 -08:00
test-date.c
test-delta.c
test-genrandom.c simple random data generator for tests 2007-04-11 19:23:32 -07:00
test-match-trees.c A new merge stragety 'subtree'. 2007-04-07 02:29:40 -07:00
test-sha1.c
test-sha1.sh
trace.c git-branch, git-checkout: autosetup for remote branch tracking 2007-03-10 23:41:58 -08:00
tree-diff.c tree_entry_interesting(): allow it to say "everything is interesting" 2007-03-22 00:36:00 -07:00
tree-walk.c Switch over tree descriptors to contain a pre-parsed entry 2007-03-21 11:15:26 -07:00
tree-walk.h Switch over tree descriptors to contain a pre-parsed entry 2007-03-21 11:15:26 -07:00
tree.c Initialize tree descriptors with a helper function rather than by hand. 2007-03-21 10:21:57 -07:00
tree.h
unpack-file.c convert object type handling from a string to a number 2007-02-27 01:34:21 -08:00
unpack-trees.c Fix switching to a branch with D/F when current branch has file D. 2007-04-04 00:25:10 -07:00
unpack-trees.h unpack-trees: get rid of *indpos parameter. 2007-04-04 00:19:28 -07:00
update-server-info.c
upload-pack.c git-upload-pack: make sure we close unused pipe ends 2007-03-29 01:41:23 -07:00
usage.c Rename warn() to warning() to fix symbol conflicts on BSD and Mac OS 2007-03-31 01:11:11 -07:00
utf8.c Merge branch 'maint' 2007-03-03 19:47:46 -08:00
utf8.h Actually make print_wrapped_text() useful 2007-02-27 17:29:02 -08:00
var.c
write_or_die.c
wt-status.c Optimize directory listing with pathspec limiter. 2007-03-31 17:41:32 -07:00
wt-status.h
xdiff-interface.c Cast 64 bit off_t to 32 bit size_t 2007-03-07 11:15:26 -08:00
xdiff-interface.h

README 

////////////////////////////////////////////////////////////////

	GIT - the stupid content tracker

////////////////////////////////////////////////////////////////

"git" can mean anything, depending on your mood.

 - random three-letter combination that is pronounceable, and not
   actually used by any common UNIX command.  The fact that it is a
   mispronunciation of "get" may or may not be relevant.
 - stupid. contemptible and despicable. simple. Take your pick from the
   dictionary of slang.
 - "global information tracker": you're in a good mood, and it actually
   works for you. Angels sing, and a light suddenly fills the room.
 - "goddamn idiotic truckload of sh*t": when it breaks

Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations
and full access to internals.

Git is an Open Source project covered by the GNU General Public License.
It was originally written by Linus Torvalds with help of a group of
hackers around the net. It is currently maintained by Junio C Hamano.

Please read the file INSTALL for installation instructions.
See Documentation/tutorial.txt to get started, then see
Documentation/everyday.txt for a useful minimum set of commands,
and "man git-commandname" for documentation of each command.
CVS users may also want to read Documentation/cvs-migration.txt.

Many Git online resources are accessible from http://git.or.cz/
including full documentation and Git related tools.

The user discussion and development of Git take place on the Git
mailing list -- everyone is welcome to post bug reports, feature
requests, comments and patches to git@vger.kernel.org. To subscribe
to the list, send an email with just "subscribe git" in the body to
majordomo@vger.kernel.org. The mailing list archives are available at
http://marc.theaimsgroup.com/?l=git and other archival sites.

The messages titled "A note from the maintainer", "What's in
git.git (stable)" and "What's cooking in git.git (topics)" and
the discussion following them on the mailing list give a good
reference for project status, development direction and
remaining tasks.