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GitConcepts.md

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Overview of Git Concepts, Elements and Vocabulary

  • 3 trees - working directory, index/stage, commits

  • Commit

  • Stage/Index and git add file; Change file => means new changes won't be in commit.

  • SHA

    • content-based hash value
    • effectively unique.

  • Tag

  • Branch

    • master

  • add & commit and push

    • local and remote repositores - commit versus publish

  • garbage collection of commits that are not reachable.

  • .git directory

    • config
    • can git clone or cp -r
      • What's the difference?

  • https://zwischenzugs.com/2018/10/30/five-things-i-wish-id-known-about-git/

  • Three trees OR 4 stages

    • working directory
    • index/cache
    • commited
    • remote repository

  • Reference (ref) = pointer to a commit hash, branch, tag, HEAD

  • Detached head

Revert and undo a commit.

Split a repository into separate repositories.

  • Keep the history.

Combine commits into a single commit - squashing.