e015d4d961
Introduce tests for a variety of `git update-index` use cases, including performance scenarios. Tests are intended to exercise `update-index` with options that change the commands interaction with the index (e.g., `--again`) and with files/directories inside and outside a sparse checkout cone. Of note is that these tests clearly establish the behavior of `git update-index --add` with untracked, outside-of-cone files. Unlike `git add`, which fails with an error when provided with such files, `update-index` succeeds in adding them to the index. Additionally, the `skip-worktree` flag is *not* automatically added to the new entry. Although this is pre-existing behavior, there are a couple of reasons to avoid changing it in favor of consistency with e.g. `git add`: * `update-index` is low-level command for modifying the index; while it can perform operations similar to those of `add`, it traditionally has fewer "guardrails" preventing a user from doing something they may not want to do (in this case, adding an outside-of-cone, non-`skip-worktree` file to the index) * `update-index` typically only exits with an error code if it is incapable of performing an operation (e.g., if an internal function call fails); adding a new file outside the sparse checkout definition is still a valid operation, albeit an inadvisable one * `update-index` does not implicitly set flags (e.g., `skip-worktree`) when creating new index entries with `--add`; if flags need to be updated, options like `--[no-]skip-worktree` allow a user to intentionally set them All this to say that, while there are valid reasons to consider changing the treatment of outside-of-cone files in `update-index`, there are also sufficient reasons for leaving it as-is. Co-authored-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Victoria Dye <vdye@github.com> Reviewed-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> |
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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.txt to get started, then see
Documentation/giteveryday.txt for a useful minimum set of commands, and
Documentation/git-<commandname>.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://lore.kernel.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