1940a02dc1
In match_pathname(), which we use for matching .gitignore and .gitattribute patterns, we are comparing paths with fnmatch patterns (actually our extended wildmatch, which will be important). There's an extra optimization there: we pre-compute the number of non-wildcard characters at the beginning of the pattern and do an fspathncmp() on that prefix. That lets us avoid fnmatch entirely on patterns without wildcards, and shrinks the amount of work we hand off to fnmatch. For a pattern like "foo*.txt" and a path "foobar.txt", we'd cut away the matching "foo" prefix and just pass "*.txt" and "bar.txt" to fnmatch(). But this misses a subtle corner case. In fnmatch(), we'll think "bar.txt" is the start of the path, but it's not. This doesn't matter for the pattern above, but consider the wildmatch pattern "foo**/bar" and the path "foobar". These two should not match, because there is no file named "bar", and the "**" applies only to the containing directory name. But after removing the "foo" prefix, fnmatch will get "**/bar" and "bar", which it does consider a match, because "**/" can match zero directories. We can solve this by giving fnmatch a bit more context. As long as it has one byte of the matched prefix, then it will know that "bar" is not the start of the path. In this example it would get "o**/bar" and "obar", and realize that they cannot match. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> |
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| .github | ||
| Documentation | ||
| bin-wrappers | ||
| block-sha1 | ||
| builtin | ||
| ci | ||
| compat | ||
| compiler-tricks | ||
| contrib | ||
| ewah | ||
| git-gui | ||
| gitk-git | ||
| gitweb | ||
| mergetools | ||
| negotiator | ||
| oss-fuzz | ||
| perl | ||
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| reftable | ||
| sha1 | ||
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| sha256 | ||
| subprojects | ||
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| trace2 | ||
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| CODE_OF_CONDUCT.md | ||
| COPYING | ||
| GIT-BUILD-OPTIONS.in | ||
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| INSTALL | ||
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| Makefile | ||
| README.md | ||
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| SECURITY.md | ||
| abspath.c | ||
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| grep.c | ||
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| linear-assignment.h | ||
| list-objects-filter-options.c | ||
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| list.h | ||
| lockfile.c | ||
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| mem-pool.c | ||
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| merge-blobs.c | ||
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| object.h | ||
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| oid-array.c | ||
| oid-array.h | ||
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| oidtree.c | ||
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| pack-revindex.c | ||
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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.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