Git Magic

Git Magic

Language: English

Pages: 64

ISBN: 1451523343

Format: PDF / Kindle (mobi) / ePub


Git is a version control Swiss army knife. A reliable versatile multipurpose revision control tool whose extraordinary flexibility makes it tricky to learn, let alone master. As Arthur C. Clarke observed, any sufficiently advanced technology is indistinguishable from magic. This is a great way to approach Git: newbies can ignore its inner workings and view Git as a gizmo that can amaze friends and infuriate enemies with its wondrous abilities. Rather than describe one mysterious command after another, we provide recipes for typical workflows. After repeated use, you will inevitably gain proficiency with Git.

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...........................................................................................................13 3.10. Mercurial .................................................................................................................................14 3.11. Bazaar......................................................................................................................................15 3.12. Why I use Git

LF "author Alice 1234567890 -0800" LF "committer Bob 1234567890 -0800" LF LF "Shakespeare" LF As before, you can run zpipe or cat-file to see for yourself. This is the first commit, so there are no parent commits, but later commits will always contain at least one line identifying a parent commit. 8.10. Indistinguishable From Magic Git’s secrets seem too simple. It looks like you could mix together a few shell scripts and add a dash of C code to cook it up

Intelligence................................................................................................................................41 8.4. Indexing.....................................................................................................................................42 8.5. Git’s Origins..............................................................................................................................42 8.6. The Object Database

..................................................................................................................4 2.3. Advanced Undo/Redo .................................................................................................................5 2.4. Reverting .....................................................................................................................................6 2.5. Changelog

the latest version in a centralized version control system. But if you do have local changes, Git will automatically merge, and report any conflicts. Ordinarily, a commit has exactly one parent commit, namely, the previous commit. Merging branches together produces a commit with at least two parents. This begs the question: what commit does HEAD~10 really refer to? A commit could have multiple parents, so which one do we follow? It turns out this notation chooses the first parent every time. This

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