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Splitting Off a Folder Into Its Own Repo - Git

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Modified on Tue, May 11, 2021, 9:23 AM by Administrator Categorized as Visual Studio and Developer Tools

Background

We had a folder on a project which contains all the front-end code. We wanted this folder to be split off into its own GitHub repo so a new front-end developer, a contractor, wouldn't have access to the back end code. This is the procedure that was done.

Reference


Procedure

  • Sync with GitHub
    • Pull all commits
    • Commit and push all local changes
  • Make a full backup of the repo (optional)
    • GitHub
      • Create new repo > "MyRepo.Backup"
    • Git Bash
      • cd "/C/Users/JohnDoe/Documents/MyRepo.Backup"
      • git clone --bare https://github.com/soltechinc/MyRepo.git
      • cd "MyRepo.git"
      • git push --mirror https://github.com/soltechinc/MyRepo.Backup.git
  • Split the repo
    • GitHub
      • New repo > MyRepo.FrontEnd
    • Git Bash
      • cd "/C/Users/JohnDoe/Documents/MyRepo.FrontEnd"
      • git clone --bare https://github.com/soltechinc/MyRepo.git
      • cd "MyRepo.git"
      • The next step took about 14 minutes
      • git filter-branch --prune-empty --subdirectory-filter front-end-folder-name -- --all
      • git remote -v
      • git remote set-url origin https://github.com/soltechinc/MyRepo.FrontEnd.git
      • git remote -v
      • git push --mirror https://github.com/soltechinc/MyRepo.FrontEnd.git

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