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Because gitignore patterns are passed to fnmatch, the handling of
backslashes is the same as it is there: it can be used to escape
metacharacters. We do reference fnmatch(3) for more details, but it may
be friendlier to point out this implication explicitly (especially for
people who want to know about backslash handling and search the
documentation for that word). There are also two cases that I've seen
some other backslash-escaping systems handle differently, so let's
describe those:
1. A backslash before any character treats that character literally,
even if it's not otherwise a meta-character. As opposed to
including the backslash itself (like "foo\bar" in shell expands to
"foo\bar") or forbidding it ("foo\zar" is required to produce a
diagnostic in C).
2. A backslash at the end of the string is an invalid pattern (and not
a literal backslash).
This second one in particular was a point of confusion between our
implementation and the one in JGit. Our wildmatch behavior matches what
POSIX specifies for fnmatch, so the code and documentation are in line.
But let's add a test to cover this case. Note that the behavior here
differs between wildmatch itself (which is what gitignore will use) and
pathspec matching (which will only turn to wildmatch if a literal match
fails). So we match "foo\" to "foo\" in pathspecs, but not via
gitignore.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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.adoc to get started, then see
Documentation/giteveryday.adoc for a useful minimum set of commands, and
Documentation/git-<commandname>.adoc 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.adoc
(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 and Documentation/CodingGuidelines).
Those wishing to help with error message, usage and informational message
string translations (localization l10) should see po/README.md
(a po file is a Portable Object file that holds the translations).
To subscribe to the list, send an email to git+subscribe@vger.kernel.org (see https://subspace.kernel.org/subscribing.html for details). The mailing list archives are available at https://lore.kernel.org/git/, https://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