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![Git Commands
Getting and Creating projects
init
To create a git repository from an existing
directory of files
$ git init
clone
If you want to get a copy of a project, you
need to clone it
$ git clone [url]](https://image.slidesharecdn.com/startingwithgitgithub-131022152321-phpapp01/85/Starting-with-Git-GitHub-21-320.jpg)
Uploaded byNicolás Tourné
Starting with Git & GitHub
The document provides an introduction to version control systems, focusing on Git and GitHub, explaining their importance in coding and collaboration among developers. It covers Git's features, commands for managing projects, the differences between centralized and distributed systems, and the functionalities GitHub offers as a hosting service for Git repositories. The presentation encourages users to create and manage Git repositories and highlights key commands necessary for effective use of Git.
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Starting with Git & GitHub
- 1. #BeeTalks Starting with Git &GitHub Nicolás Tourné @nicotourne CTO of BeeReal Tandil, Argentina - 2013
- 2. Agenda • • • • • What’s a VersionControl System? What the heck is Git? Some Git commands What’s about GitHub? Git in Action!
- 3. What’s a VersionControl System? “An application that allows you to record changes to your codebase in a structured and controlled fashion.”
- 4. Why do Ineed that? • • • Makes it way easier to undo errors / roll back to earlier versions of code Makes it way easier to share a codebase between developers without creating conflicts Makes it way easier to deploy changes from development to staging or production environments
- 5. Popular Version ControlSystems • • • • • • CVS - Concurrent Version System SVN - SubVersioN Git Mercurial Bazaar LibreSource
- 6. What the heckis Git? • • • • • Distributed Source Control system Open source, free (GNU GPL V2) Originally developed by Linus Torvalds for the development of the Linux Kernel in 2005 Focus on speed and efficiency Quite a unique design and therefore sometimes a bit scary and difficult to understand
- 7. What the heckis Git? • • • • Save snapshots, no differences Branching (lightweight & fast) Automatic merge of files Used on personal or very large projects, and for all size of teams
- 8. Distributed Development • • • Every Gitworking directory contains the complete repository and history and full revision tracking capabilities You’re not dependent on a central server and you don’t have to be online It’s extremely fast - much faster than SVN, CVS and other systems
- 9. Centralized vs Distributed Development SVN/ CVS - Centralized development Central John Peter Bob Carl
- 10. Centralized vs Distributed Development Git- Distributed development John Peter Bob Carl Central
- 11. A Git Sample 1.A new git is initialized as a remote repository John Remote repository master C0 Peter
- 12. A Git Sample 2.John and Peter clone the git repository John Remote repository Peter master master master C0 C0 C0
- 13. A Git Sample 3.John does a commit John Remote repository Peter master master master C1 C0 C0 C0
- 14. A Git Sample 4.John does a push John Remote repository Peter master master master C1 C1 C0 C0 C0
- 15. A Git Sample 5.Peter does a pull John Remote repository Peter master master master C1 C1 C1 C0 C0 C0
- 16. A Git Sample 6.John does a commit & push John Remote repository Peter master master master C2 C2 C1 C1 C0 C0 C0 C0
- 17. A Git Sample 7.Peter does a commit John Remote repository Peter master master master C2 C2 C3 C1 C1 C1 C0 C0 C0
- 18. A Git Sample 8.Peter does a pull (fetch & merge) John Remote repository Peter master master master C2 C2 C4 C1 C1 C0 C0 C2 C3 C1 C0
- 19. A Git Sample 9.Peter does a push John Remote repository Peter master master master C2 C4 C4 C1 C0 C2 C3 C2 C3 C1 C1 C0 C0
- 20. A Git Sample 10.John does a pull John Remote repository Peter master master master C4 C4 C4 C2 C3 C2 C3 C2 C3 C1 C1 C1 C0 C0 C0
- 21. Git Commands Getting andCreating projects init To create a git repository from an existing directory of files $ git init clone If you want to get a copy of a project, you need to clone it $ git clone [url]
- 22. Git Commands Basic Snapshotting gitadd You have to add file contents to your staging area before you can commit them $ git add index.php git status View the status of your files in the working directory and staging area $ git status
- 23. Git Commands Basic Snapshotting gitdiff Shows diff of what is staged and what is modified but unstaged $ git diff git commit Records a snapshot of the staging area $ git commit -m “My comment”
- 24. Git Commands Basic Snapshotting gitreset Undo changed and commits $ git reset git rm Remove files from the staging area $ git rm index.php
- 25. Git Commands Basic Snapshotting gitmv Git doesn’t track file renames $ git mv index.php index.html git stash Save changes made in the current index and working directory for later $ git stash
- 26. Git Commands Branching andMerging git branch List, create and manage branches $ git branch $ git branch QA git checkout Switch to a new branch context $ git checkout QA $ git checkout -b live
- 27. Git Commands Branching andMerging git merge Merge a branch context into your current one $ git branch $ git merge QA git log Show commit history of a branch $ git log
- 28. Git Commands Branching andMerging git tag Tag a point in history as important $ git tag -a v1.0
- 29. Git Commands Sharing andUpdating Projects git fetch Download new branches and data from remote repository $ git fetch git pull Fetch from a remote repo and try to merge into the current branch $ git pull
- 30. Git Commands Sharing andUpdating Projects git push Push your new branches and data to a remote repository $ git push
- 31. What's about GitHub? • • • It’sa Git repository hosting service… but it adds many of its own features While Git is a command line tool, GitHub provides a web-based graphical interface It also provides access control and several collaboration features, such as wikis and basic task management tools
- 32. What's about GitHub? • • • Bydefault, all projects are public and free. In you want a private project, then pay You can clone any public repository, follow projects and developers, post comments, etc It’s becoming the Facebook’s for developers
- 33. Git in Action! Goto your computer and start playing... 1. Create a new repository on GitHub 2. Clone this repository 3. Add new files 4. Commit and push them 5. Create a new branch and merge files
- 34. Thank you for yourattention! Questions? Just tweet me @nicotourne or mail me at ntourne@beerealit.com beerealit.com
- 35. More info at... OfficialGit site http://git-scm.com Some slides http://www.slideshare.net/jomikr/quick-introduction-to-git http://www.slideshare.net/reallyordinary/intro-to-git-for-drupal-7 http://www.slideshare.net/anildigital/git-introduction http://www.slideshare.net/chacon/getting-git Git commands http://gitref.org/basic GitHub site http://github.com