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Understanding Git: Version Control Systems Explained

Learn why tracking and managing different versions of code is crucial with Git; maintain old releases while working on new features and collaborate in parallel with teammates using Git.

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Understanding Git: Version Control Systems Explained

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  1. http://flic.kr/p/6oP7x7 Version Control with Git

  2. Why track/manage different versions of code?

  3. Backup: Undo or refer to old stuff http://git-scm.com/book/en/Git-Branching-Basic-Branching-and-Merging

  4. Branch: Maintain old release whileworking on new http://git-scm.com/book/en/Git-Branching-Basic-Branching-and-Merging

  5. Collaborate: Work in parallel with teammates http://git-scm.com/book/en/Distributed-Git-Distributed-Workflows

  6. Version Control Systems (VCSs) • Help you track/manage/distribute revisions • Standard in modern development • Examples: • Revision Control System (RCS) • Concurrent Versions System (CVS) • Subversion (SVN) • Git older newer Our focus

  7. GitHub-User Perspective GitHub You Working Dir

  8. GitHub-User Perspective GitHub You Working Dir LocalRepos

  9. GitHub-User Perspective GitHub You Working Dir RemoteRepos LocalRepos

  10. Questions to answer How organized? GitHub You Working Dir RemoteRepos LocalRepos What operations?

  11. Repo Organization http://git-scm.com/book/

  12. Repo Organization Commits (from oldest to newest; hashes as commit IDs) http://git-scm.com/book/

  13. Repo Organization Snapshot of all files at each commit http://git-scm.com/book/

  14. Repo Organization Branch (last commit) http://git-scm.com/book/

  15. Local Repo Operations You • init • status • add/commit • log • checkout • … Working Dir LocalRepos

  16. How commit works Before http://git-scm.com/book/

  17. How commit works After http://git-scm.com/book/

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