How does the parent repository track submodule changes?

What file stores submodule URL paths in a repository?

How do you automatically clone submodules during git clone?

Workflows & CollaborationAdvanced LevelStudy Time: 25 mins

Git Submodules Workflow

Git Submodules keep external git repositories as subdirectories inside a parent repository, tracking nested projects by committing specific commit hashes.

Git Submodules Visualizer

Submodule uninitialized. Run git submodule init to trace the linked external dependency.

toolmight-web/ (Parent)

.gitmodules configuration:

path = lib/shared-lib

url = [email protected]:org/shared.git

Directory not initialized

Real-world analogy: Shared Plugin Libraries

.gitmodules

Commit Hash Reference

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You are building a game. You include a physics engine (Submodule) created by another team. You don't copy their code; you reference their repository at version X.

.gitmodules= Config file storing submodule folder paths and remote URL coordinates.
Commit Hash Reference= Parent repository tracks submodules by committing specific commit hashes.