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The everyday developer's guide to version control with Git

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The everyday developer's guide to version control with Git

  1. The everyday developer’s guide to version control with git
  2. so, what’s git?
  3. “ Git is distributed version control system focused on speed, effectivity and real- world usability on large projects. - git-scm.com
  4. basic source control system (example) http://hoth.entp.com/output/git_for_designers.html
  5. but why git?
  6. lots of people use it (it’s common) http://en.wikipedia.org/wiki/Git_(software)
  7. let’s git started
  8. create (initialize) a repository $ cd (project-directory) $ git init Initialized empty Git repository in .git/
  9. your first save (commit) $ git commit -m 'Initial commit'
  10. create some files $ touch README
  11. see what’s changed $ git status # On branch master # # Initial commit # # Untracked files: # (use "git add <file>..." to include in what will be committed) # # README nothing added to commit but untracked files present (use "git add" to track)
  12. adding files Adding a individual file $ git add README Adding a multiple files $ git add .
  13. see what’s changed (again) $ git status # On branch master # # Initial commit # # Changes to be committed: # (use "git rm --cached <file>..." to unstage) # # new file: README #
  14. save (commit) your changes $ git commit -m 'Added README file' Created initial commit c1195b5: Added README file 0 files changed, 0 insertions(+), 0 deletions(-) create mode 100644 README
  15. check your history $ git log commit c1195b51d6e99dcc6e88b6ae44eea20ba1f0868e Author: Erin Carter <me@erincarter.com> Date: Thu Oct 29 12:21:24 2009 -0500 Added README file
  16. developing with git
  17. undoing your changes $ git checkout README
  18. reverting to specific version $ git checkout 3607253d20c7a295965f798109f9d4af0fbeedd8 <file name>
  19. reverting back $ git reset HEAD <file name>
  20. developing parallel with branching http://hoth.entp.com/output/git_for_designers.html
  21. create a branch $ git checkout -b bugfix Switched to a new branch “bugfix”
  22. switching branches $ git status # On branch bugfix nothing to commit (working directory clean) $ git checkout master Switched to branch “master”
  23. collaborating with git
  24. public repos = free private repos = cheap http://github.com
  25. clone a hosted repository $ git clone git://github.com/git/hello- world.git Initialized empty Git repository in /Users/me/Projects/hello- world/.git/ remote: Counting objects: 158, done. remote: Compressing objects: 100% (79/79), done. remote: Total 158 (delta 54), reused 157 (delta 54) Receiving objects: 100% (158/158), 15.62 KiB, done. Resolving deltas: 100% (54/54), done. $ cd hello-world
  26. pull changes (and pull often) $ git pull origin master
  27. add changes to master $ git checkout master $ git merge bugfix
  28. push changes $ git push origin master
  29. configure & customize git
  30. configuring $ git config --global user.name "Erin Carter" $ git config --global user.email "me@erincarter.com"
  31. add pretty colors $ git config --global color.diff auto $ git config --global color.status auto $ git config --global color.branch auto
  32. git tools
  33. gitk usually comes with git - http://gitk.sourceforge.net/
  34. GitX http://gitx.frim.nl
  35. TortoiseGit http://code.google.com/p/tortoisegit/
  36. git resources
  37. Pro Git (book) free online at http://progit.org/book/
  38. Pragmatic Version Control Using Git (book) http://www.pragprog.com/titles/tsgit/pragmatic-version-control-using-git
  39. Git Community Book http://book.git-scm.com/
  40. Git Cheat Sheet http://ktown.kde.org/~zrusin/git/git-cheat-sheet-large.png
  41. what to remember ‣ commit often ‣ pull often ‣ use checkout and reset with caution ‣ create your own repository anywhere http://hoth.entp.com/output/git_for_designers.html
  42. fin
  43. @erincarter me@erincarter.com linkedin.com/in/erincarter illustrations by Simon Oxley of idokungfood.com theme inspired by Scott Chacon’s git-scm.com

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