Maintaining a Git repo inside another git repo

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I have a git repo which contains an AngularJS web app.

It has a subfolder called build, which gets created by a gulp task. I am deploying to Azure, so it is connected directly to my bitbucket directory.

I want to make build folder as a separate git repo from which the Azure app is being deployed. How do I achieve this in git??

github git
3 Answers

While the documentation on this is extensive [https://git-scm.com/book/en/v2/Git-Tools-Submodules], I found the solution was to understand how submodules work. This is a simplified plain english version.

  1. If you have your main repo, you have already initialised it with git ($ git innit) you may be getting an error if you have added another initialised repo as a submodule
  2. If you add a submodule which already has an initialised git repo you might want to remove git tracking ($ cd into the sub module then $rm -rf git) this force removes the files tracked by git - or before you add it to the repo remove the initialisation
  3. Check what exactly is going on with $ git diff / $ git diff --cached / $ git diff - - submodule if you have cached files the documentation runs you through what to do
  4. If you have a submodule that is not being tracked (which was my challenge) the documentation suggests creating a separate branch and merging this branch to master - this is what I did some of the steps which are here are not in the documentation as the documentation assumes a certain level of knowledge of git and it took me a while to figure out all the steps left out when I was starting learning git.
    $ git checkout -b stable (create a new branch called stable)
    $ git checkout stable (check into the new branch)
    $ cd .. (into your branch with the submodules)
    $ git submodule update --remote --merge (update and merge the submodule to the remote branch)
    $ git add . (add all files and directories  to the branch)
    $ git commit -m”adds submodule to new branch” (commit changes in the branch)
    $ git push (push changes in the branch) - this will remind you make the stable branch your upstream 
    $ git push --set-upstream origin stable (set upstream to your new branch)
    $ git checkout master (checkout into the master branch)
    $ git merge stable (merge pushed changes from branch to master)
    $ git add . 
    $ git commit -m”adds submodules from merged stable branch”
    $ git push origin master
  • Go into your online repo and check that you have the files.
  • If this is not the challenge you faced (adding an already initialised git module to a repo) it is a bit of a slog reading the documentation but worth it if you fix the challenge. Hope this helps anyone who has added an already initialised git submodule to a main git repo.
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