An introduction to Git - Speaker Deck

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An introduction to By @PascalPrecht

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git-scm.com

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gitref.org

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progit.org

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O‘Reilly Book

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@PascalPrecht

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History?

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- LINUS TORVALD „I‘m an egotistical bastard, and I name all my projects after myself.“

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What is Git?

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What is Git? •  VCS (Version Control System)

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What is Git? •  VCS (Version Control System) •  Open Source

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What is Git? •  VCS (Version Control System) •  Open Source •  Fully Distributed

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What is Git? •  VCS (Version Control System) •  Open Source •  Fully Distributed •  Local

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Fast* * At least as fast as this squirrel!

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Git is awesome.

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What makes it so awesome?

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Git basics

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Centralized VCS

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Distributed VCS

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Working offline

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Working offline •  Performing a diﬀ

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Working offline •  Performing a diﬀ •  Viewing ﬁle history

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Working offline •  Performing a diﬀ •  Viewing ﬁle history •  CommiBng changes

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Working offline •  Performing a diﬀ •  Viewing ﬁle history •  CommiBng changes •  Merging branches

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Working offline •  Performing a diff •  Viewing file history •  CommiBng changes •  Merging branches •  Obtaining other revisions of a file

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Working offline •  Performing a diff •  Viewing file history •  CommiBng changes •  Merging branches •  Obtaining other revisions of a file •  Switching branches

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Snapshots, not patches!

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First Steps

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Demo

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Configuration

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Configuration •  git conﬁg -‐-‐global user.name ‘‘NAME‘‘ •  git conﬁg -‐-‐global user.email ‘‘EMAIL‘‘

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git init

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git init •  Creates a new repository

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git clone

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git clone •  clones an exisMng repository (hNp, ssh, git ...)

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Flow •  Init / clone •  edit •  add •  status / diﬀ •  commit

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Branching

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git branch testing

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git checkout testing

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Merging

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Bare repositories

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Bare repositories •  Not a working directory •  May exist on the same maschine •  push / pull

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Demo

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Can I haz? By @PascalPrecht

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BOOM! •  TwiNer: @PascalPrecht •  Blog: hopelessart.com •  GitHub: github.com/PascalPrecht •  Images: hNp://progit.org