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The get_default_remote_submodule() function performs a lookup to find the appropriate remote to use within a submodule. The function first checks to see if it can find the remote for the current branch. If this fails, it then checks to see if there is exactly one remote. It will use this, before finally falling back to "origin" as the default. If a user happens to rename their default remote from origin, either manually or by setting something like clone.defaultRemoteName, this fallback will not work. In such cases, the submodule logic will try to use a non-existent remote. This usually manifests as a failure to trigger the submodule update. The parent project already knows and stores the submodule URL in either .gitmodules or its .git/config. Add a new repo_remote_from_url() helper which will iterate over all the remotes in a repository and return the first remote which has a matching URL. Refactor get_default_remote_submodule to find the submodule and get its URL. If a valid URL exists, first try to obtain a remote using the new repo_remote_from_url(). Fall back to the repo_default_remote() otherwise. The fallback logic is kept in case for some reason the user has manually changed the URL within the submodule. Additionally, we still try to use a remote rather than directly passing the URL in the fetch_in_submodule() logic. This ensures that an update will properly update the remote refs within the submodule as expected, rather than just fetching into FETCH_HEAD. Signed-off-by: Jacob Keller <jacob.keller@gmail.com> 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