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2009-08-06block-sha1: Use '(B&C)+(D&(B^C))' instead of '(B&C)|(D&(B|C))' in round 3Linus Torvalds
It's an equivalent expression, but the '+' gives us some freedom in instruction selection (for example, we can use 'lea' rather than 'add'), and associates with the other additions around it to give some minor scheduling freedom. Suggested-by: linux@horizon.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: macroize the rounds a bit furtherLinus Torvalds
Avoid repeating the shared parts of the different rounds by adding a macro layer or two. It was already more cpp than C. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: re-use the temporary array as we calculate the SHA1Linus Torvalds
The mozilla-SHA1 code did this 80-word array for the 80 iterations. But the SHA1 state is really just 512 bits, and you can actually keep it in a kind of "circular queue" of just 16 words instead. This requires us to do the xor updates as we go along (rather than as a pre-phase), but that's really what we want to do anyway. This gets me really close to the OpenSSL performance on my Nehalem. Look ma, all C code (ok, there's the rol/ror hack, but that one doesn't strictly even matter on my Nehalem, it's just a local optimization). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: make the 'ntohl()' part of the first SHA1 loopLinus Torvalds
This helps a teeny bit. But what I -really- want to do is to avoid the whole 80-array loop, and do the xor updates as I go along.. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: minor fixupsJunio C Hamano
Bert Wesarg noticed non-x86 version of SHA_ROT() had a typo. Also spell in-line assembly as __asm__(), otherwise I seem to get error: implicit declaration of function 'asm' from my compiler. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: try to use rol/ror appropriatelyLinus Torvalds
Use the one with the smaller constant. It _can_ generate slightly smaller code (a constant of 1 is special), but perhaps more importantly it's possibly faster on any uarch that does a rotate with a loop. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06block-sha1: undo ctx->size changeJunio C Hamano
Undo the change I picked up from the mailing list discussion suggested by Nico, not because it is wrong, but it will be done at the end of the follow-up series. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-06Add new optimized C 'block-sha1' routinesLinus Torvalds
Based on the mozilla SHA1 routine, but doing the input data accesses a word at a time and with 'htonl()' instead of loading bytes and shifting. It requires an architecture that is ok with unaligned 32-bit loads and a fast htonl(). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05Merge branch 'sb/read-tree'Junio C Hamano
* sb/read-tree: read-tree: migrate to parse-options read-tree: convert unhelpful usage()'s to helpful die()'s
2009-08-05Merge branch 'jc/apply-epoch-patch'Junio C Hamano
* jc/apply-epoch-patch: apply: notice creation/removal patches produced by GNU diff
2009-08-05Merge branch 'sb/parse-options'Junio C Hamano
* sb/parse-options: prune-packed: migrate to parse-options verify-pack: migrate to parse-options verify-tag: migrate to parse-options write-tree: migrate to parse-options
2009-08-05Merge branch 'ns/init-mkdir'Junio C Hamano
* ns/init-mkdir: git init: optionally allow a directory argument Conflicts: builtin-init-db.c
2009-08-05Merge branch 'mk/init-db-parse-options'Junio C Hamano
* mk/init-db-parse-options: init-db: migrate to parse-options
2009-08-05Merge branch 'jk/maint-show-tag'Junio C Hamano
* jk/maint-show-tag: show: add space between multiple items show: suppress extra newline when showing annotated tag
2009-08-05Merge branch 'sb/maint-pull-rebase'Junio C Hamano
* sb/maint-pull-rebase: pull: support rebased upstream + fetch + pull --rebase t5520-pull: Test for rebased upstream + fetch + pull --rebase
2009-08-05Merge branch 'ne/futz-upload-pack'Junio C Hamano
* ne/futz-upload-pack: Shift object enumeration out of upload-pack Conflicts: upload-pack.c
2009-08-05Merge branch 'maint'Junio C Hamano
* maint: gitweb/README: Document $base_url Documentation: git submodule: add missing options to synopsis Better usage string for reflog. hg-to-git: don't import the unused popen2 module send-email: remove debug trace config: Keep inner whitespace verbatim
2009-08-05Merge branch 'maint-1.6.3' into maintJunio C Hamano
* maint-1.6.3: Better usage string for reflog. hg-to-git: don't import the unused popen2 module send-email: remove debug trace config: Keep inner whitespace verbatim
2009-08-05gitweb/README: Document $base_urlJakub Narebski
Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05Documentation: git submodule: add missing options to synopsisJens Lehmann
The option --merge was missing for submodule update and --cached for submodule summary. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05git-merge-base/git-show-branch --merge-base: Documentation and testMichael J Gruber
Currently, the documentation suggests that 'git merge-base -a' and 'git show-branch --merge-base' are equivalent (in fact it claims that the former cannot handle more than two revs). Alas, the handling of more than two revs is very different. Document this by tests and correct the documentation to reflect this. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05git-merge-base/git-show-branch: Cleanup documentation and usageMichael J Gruber
Make sure that usage strings and documentation coincide with each other and with the actual code. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05t6010-merge-base.sh: Depict the octopus test graphMichael J Gruber
...so that it is easier to reuse it for other tests. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-05Better usage string for reflog.Matthieu Moy
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-04hg-to-git: don't import the unused popen2 moduleMiklos Vajna
Importing the popen2 module in Python-2.6 results in the "DeprecationWarning: The popen2 module is deprecated. Use the subprocess module." message. The module itself isn't used in fact, so just removing it solves the problem. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-04send-email: remove debug traceErik Faye-Lund
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
2009-08-04gitweb: fix 'Use of uninitialized value' error in href()Giuseppe Bilotta
Equality between file_parent and file_name was being checked without a preliminary check for existence of the parameters. Fix by wrapping the equality check in appropriate if (defined ...), rearranging the lines to prevent excessive length. Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com> Acked-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-04technical-docs: document tree-walking APIStephen Boyd
Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31Fix typos on pt_BR/gittutorial.txt translationAndré Goddard Rosa
With extra fixes from Thadeu and Carlos as well. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Carlos R. Mafra <crmafra2@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31Documentation: git-send-email: correct statement about standard portsWesley J. Landaker
The current documentation states that servers typically listen on port 465 and calls this "ssmtp". While it's true that many mail servers use port 465 for SSL smtp, this is non-standard, and hails from the days before smtp and submission TLS support, that arrived in RFC2487 and RFC3207. Port 465 is actually assigned by IANA for unrelated purposes, and is mostly still used by mail servers today only to support Outlook Express. In any case, this patch helps the documentation better reflect both standards and reality, while still helpfully mentioning ports numbers that a user may wish to specify. Signed-off-by: Wesley J. Landaker <wjl@icecavern.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31Documentation: git-send-email: fix submission port numberWesley J. Landaker
The current documentation confuses non-standard SSL smtp port 465 with submission port 587 (RFC 4406). This patch just changes the referenced number. Signed-off-by: Wesley J. Landaker <wjl@icecavern.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31config: Keep inner whitespace verbatimBjörn Steinbrink
Configuration values are expected to be quoted when they have leading or trailing whitespace, but inner whitespace should be kept verbatim even if the value is not quoted. This is already documented in git-config(1), but the code caused inner whitespace to be collapsed to a single space, breaking, for example, clones from a path that has two consecutive spaces in it, as future fetches would only see a single space. Reported-by: John te Bokkel <tanj.tanj@gmail.com> Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31git fast-export: add --no-data optionGeoffrey Irving
When using git fast-export and git fast-import to rewrite the history of a repository with large binary files, almost all of the time is spent dealing with blobs. This is extremely inefficient if all we want to do is rewrite the commits and tree structure. --no-data skips the output of blobs and writes SHA-1s instead of marks, which provides a massive speedup. Signed-off-by: Geoffrey Irving <irving@naml.us> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-31parse-opt: optionally show "--no-" option stringJohannes Schindelin
It is usually better to have positive options, to avoid confusing double negations. However, sometimes it is desirable to show the negative option in the help. Introduce the flag PARSE_OPT_NEGHELP to do that. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29Translate the tutorial to Brazillian PortugueseThadeu Lima de Souza Cascardo
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29request-pull: optionally show a patch as wellJunio C Hamano
Allow git request-pull to append diff body into the pull request. It's useful for small series of commits. Tested-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29Merge branch 'hv/cvsps-tests'Junio C Hamano
* hv/cvsps-tests: t/t9600: remove exit after test_done cvsimport: extend testcase about patchset order to contain branches cvsimport: add test illustrating a bug in cvsps Add a test of "git cvsimport"'s handling of tags and branches Add some tests of git-cvsimport's handling of vendor branches Test contents of entire cvsimported "master" tree contents Use CVS's -f option if available (ignore user's ~/.cvsrc file) Start a library for cvsimport-related tests
2009-07-29Add a reminder test case for a merge with F/D transitionAlex Riesen
The problem is that if a file was replaced with a directory containing another file with the same content and mode, an attempt to merge it with a branch descended from a commit before this F->D transition will cause merge-recursive to break. It breaks even if there were no conflicting changes on that other branch. Originally reported by Anders Melchiorsen. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29Start 1.6.5 cycleJunio C Hamano
The next major release will be 1.6.5, hopefully with a shorter cycle than the 1.6.4 cycle. After that in 1.7.0 we can make potentially backward incompatible changes if necessary. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29GIT 1.6.4v1.6.4Junio C Hamano
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29Sync with 1.6.3.4Junio C Hamano
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29GIT 1.6.3.4v1.6.3.4Junio C Hamano
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29config.txt: document add.ignore-errorsStephen Boyd
Use the description of "--ignore-errors" from git-add.txt as inspiration. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-29request-pull: allow ls-remote to notice remote.$nickname.uploadpackTom Grennan
The location to pull from should be converted from the configured nickname to URL in the message, but ls-remote should be fed the nickname so that the command uses remote.$nickname.* variables, most notably "uploadpack". Signed-off-by: Tom Grennan <tgrennan@redback.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-28Update the documentation of the raw diff output formatDavid Kågedal
This includes mentioning the initial hash output of diff-tree, and changes the header to "raw output format" which is more descriptive. Signed-off-by: David Kågedal <davidk@lysator.liu.se> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-28git-rerere.txt: Clarify ambiguity of the config variableMichael J Gruber
Use the less ambiguous "set variable foo in order to enable bar" rather than "set variable foo to enable bar" which may trick users into assuming that "enable" is a good value for "foo". Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-26t9143: do not fail if Compress::Zlib is missingEric Wong
"git svn gc" will not compress unhandled.log files if Compress::Zlib is missing. However, leftover index files should always be removed, so add a test for this behavior as well. Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-26Trivial path quoting fixes in git-instawebSean Estabrooks
Bodo Schlecht noticed that Instaweb didn't propely quote all path instances in the Apache config file it generated. Acked-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-07-26Merge branch 'gp/maint-rebase-p-onto'Junio C Hamano
* gp/maint-rebase-p-onto: Fix rebase -p --onto
2009-07-26Merge branch 'en/fast-export'Junio C Hamano
* en/fast-export: fast-export: Document the fact that git-rev-list arguments are accepted Add new fast-export testcases fast-export: Add a --tag-of-filtered-object option for newly dangling tags fast-export: Do parent rewriting to avoid dropping relevant commits fast-export: Make sure we show actual ref names instead of "(null)" fast-export: Omit tags that tag trees fast-export: Set revs.topo_order before calling setup_revisions
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