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Taylor Blau 68d686e6af grep.c: expose {,inverted} match column in match_line()
When calling match_line(), callers presently cannot determine the
relative offset of the match because match_line() discards the
'regmatch_t' that contains this information.

Instead, teach match_line() to take in two 'ssize_t's. Fill the first
with the offset of the match produced by the given expression. If
extended, fill the later with the offset of the match produced as if
--invert were given.

For instance, matching "--not -e x" on this line produces a columnar
offset of 0, (i.e., the whole line does not contain an x), but "--invert
--not -e -x" will fill the later ssize_t of the column containing an
"x", because this expression is semantically equivalent to "-e x".

To determine the column for the inverted and non-inverted case, do the
following:

  - If matching an atom, the non-inverted column is as given from
    match_one_pattern(), and the inverted column is unset.

  - If matching a --not, the inverted column and non-inverted column
    swap.

  - If matching an --and, or --or, the non-inverted column is the
    minimum of the two children.

Presently, the existing short-circuiting logic for AND and OR applies as
before. This will change in the following commit when we add options to
configure the --column flag. Taken together, this and the forthcoming
change will always yield the earlier column on a given line.

This patch will become useful when we later pick between the two new
results in order to display the column number of the first match on a
line with --column.

Co-authored-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-22 12:59:02 -07:00
.github
Documentation Documentation/config.txt: camel-case lineNumber for consistency 2018-06-21 13:48:36 -07:00
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ci Merge branch 'nd/travis-gcc-8' 2018-05-30 14:04:08 +09:00
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fsck.h fsck: detect gitmodules files 2018-05-21 23:55:12 -04:00
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git.rc
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grep.c grep.c: expose {,inverted} match column in match_line() 2018-06-22 12:59:02 -07:00
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help.h completion: allow to customize the completable command list 2018-05-21 13:23:14 +09:00
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unpack-trees.h unpack_trees_options: free messages when done 2018-05-22 11:59:31 +09:00
upload-pack.c Merge branch 'jt/partial-clone-proto-v2' 2018-05-30 14:04:10 +09:00
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usage.c Merge branch 'jk/snprintf-truncation' 2018-05-30 21:51:28 +09:00
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utf8.c Sync with Git 2.17.1 2018-05-29 17:10:05 +09:00
utf8.h Sync with Git 2.17.1 2018-05-29 17:10:05 +09:00
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walker.c Merge branch 'ds/lazy-load-trees' 2018-05-23 14:38:13 +09:00
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wt-status.c Merge branch 'bc/object-id' 2018-05-30 14:04:10 +09:00
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zlib.c

README.md

Git - fast, scalable, distributed revision control system

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 version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.

Please read the file INSTALL for installation instructions.

Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.

See Documentation/gittutorial.txt to get started, then see Documentation/giteveryday.txt for a useful minimum set of commands, and Documentation/git-.txt for documentation of each command. If git has been correctly installed, then the tutorial can also be read with man gittutorial or git help tutorial, and the documentation of each command with man git-<commandname> or git help <commandname>.

CVS users may also want to read Documentation/gitcvs-migration.txt (man gitcvs-migration or git help cvs-migration if git is installed).

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 (read Documentation/SubmittingPatches for instructions on patch submission). 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 https://public-inbox.org/git/, http://marc.info/?l=git and other archival sites.

Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.

The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.

The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (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