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What are submodules in git?

A git submodule is a record within a host git repository that points to a specific commit in another external repository. Submodules are very static and only track specific commits. Submodules do not track git refs or branches and are not automatically updated when the host repository is updated.

What is git clone — recurse submodules?

Cloning a Project with Submodules If you pass –recurse-submodules to the git clone command, it will automatically initialize and update each submodule in the repository, including nested submodules if any of the submodules in the repository have submodules themselves.

Should you use git submodules?

Its more accurate to say that git submodules are useful when you want to share code that you also need change along with the consumer of that code. If you’re not trying to change the shared code along with the consumer of that code, there are better options for sharing your code.

How do I clone a git repository with submodules?

The list of steps required to clone a Git repository with submodules is:

  1. Issue a git clone command on the parent repository.
  2. Issue a git submodule init command.
  3. Issue a git submodule update command.

Where is .gitmodules located?

The . gitmodules file, located in the top-level directory of a Git working tree, is a text file with a syntax matching the requirements of git-config[1]. The file contains one subsection per submodule, and the subsection value is the name of the submodule.

What is subproject commit in git?

44. A submodule commit is a gitlink, special entry recorded in the index, created when you add a submodule to your repo; It records the SHA1 currently referenced by the parent repo. A git submodule update –init is enough to populate the laravel subdirectory in your repo.

Does git clone pull submodules?

All submodules which are cloned will use the status of the submodule’s remote-tracking branch to update the submodule, rather than the superproject’s recorded SHA-1. Equivalent to passing –remote to git submodule update .

What is clone submodules in eclipse?

Submodules are repositories nested inside a parent repository. Therefore when doing a clone of a parent repository it is necessary to clone the submodule repositories so that the files/folders are available in the parent repository’s working directory.

Is git submodules bad?

Git submodules may look powerful or cool upfront, but for all the reasons above it is a bad idea to share code using submodules, especially when the code changes frequently. It will be much worse when you have more and more developers working on the same repos.

What is a Monorepo and why you should care?

What is a monorepo? A monorepo is a version-controlled code repository that holds many projects. While these projects may be related, they are often logically independent and run by different teams. Some companies host all their code in a single repository, shared among everyone. Monorepos can reach colossal sizes.

How do I download all submodules in git?

Once you have set up the submodules you can update the repository with fetch/pull like you would normally do. To pull everything including the submodules, use the –recurse-submodules and the –remote parameter in the git pull command .

Where are git submodules stored?

A submodule can be located anywhere in a parent Git repository’s working directory and is configured via a . gitmodules file located at the root of the parent repository. This file contains which paths are submodules and what URL should be used when cloning and fetching for that submodule.

How to show the status of a submodule in Git?

You can use git submodule status or optionally git submodule status –recursive if you want to show nested submodules. From the Git documentation: Show the status of the submodules. This will print the SHA-1 of the currently checked out commit for each submodule, along with the submodule path and the output of git describe for the SHA-1.

Why does git pull–recurse-submodules fail?

In that case, it is possible for git pull –recurse-submodules, or git submodule update, to fail if the superproject references a submodule commit that is not found in the submodule remote locally configured in your repository. In order to remedy this situation, the git submodule sync command is required:

How does GitWeb show information from multiple Git repositories?

Gitweb can show information from one or more Git repositories. These repositories have to be all on local filesystem, and have to share common repository root, i.e. be all under a single parent repository (but see also “Advanced web server setup” section, “Webserver configuration with multiple projects’ root” subsection).

How to update nested submodules in Git clone?

If you pass –recurse-submodules to the git clone command, it will automatically initialize and update each submodule in the repository, including nested submodules if any of the submodules in the repository have submodules themselves.