1. Quick Guide To Git & Wiki

2. Why We Need Version Control Group projects – Prevents loss of code when trying to merge versions – Allows Individual projects – Create a branch during debugging to keep track of changes and avoid accidental introduction of errors – Defines a central version of the code when working in multiple locations

3. Installing it on your Mac If you have Snow Leopard or Lion (10.6 or newer): – http://git-scm.com/ If you have Mac OS 10.5 or older: – http://code.google.com/p/git-osx- installer/downloads/detail?name=git-1.7.5.4-i386- leopard.dmg&can=2 http://code.google.com/p/git- osx-installer/downloads/detail?name=git-1.7.5.4- x86_64-leopard.dmg&can=2 http://code.google.com/p/git-osx- installer/downloads/detail?name=git-1.7.5.4-i386- leopard.dmg&can=2http://code.google.com/p/git- osx-installer/downloads/detail?name=git-1.7.5.4- x86_64-leopard.dmg&can=2 – Check your hardware: second link requires 64-bit chip

4. How the Git Server Works Main Branch Working Directory A CloneEdit Stage Commit Initialize

5. How the Git Server Works Main Branch Working Directory A Working Directory B CloneEdit Stage Commit Clone Edit Stage Error: Version Conflict Pull Merge Stage Commit Initialize

6. Initializing a Git Repository Init – Creates a /.git object in the current directory – To create a shared git git init –shared foo.git chgrp –R groupname foo.git Add – This does not commit the files to the git, just adds files to the list of tracked objects – Standard Linux trick apply, e.g. git add *.py will add all Python files in the current directory Push – Used to import an old repository into a new one

7. Global Configuration Steps Set your name and email for the tracking logs: – git config –global user.name “Your Name” – git config –global user.email you@example.com

8. Getting Code from the Git Repo Clone: git clone ssh://user@server:project.git – Unlike “checkout” used by other programs, creates a complete duplicate of the code – Easier for multiple people to work on the same file simultaneously Pull – Allows you to look at someone else’s code without committing changes to the central version – For multiple users, copies any commits that have been made since you last cloned to your clone before you can merge back to the main branch EXAMPLE: git clone ssh://titicaca.engin.umich.edu/home/code/GAS.git

9. Making Changes in the Git Status – Checking which files have been modified/added – Identifies what’s been modified and staged Staging Branching Creates new branch, great for debugging

10. Committing to Change Commiting – Initial commit defines the main branch of the code git commit –a both adds and commits a file to the main branch – Later commits merge changes from branches into the main code Must include a commit message!

11. Getting Help for Git http://ftp.newartisans.com/pub/git.from.bott om.up.pdf http://ftp.newartisans.com/pub/git.from.bott om.up.pdf http://www.kernel.org/pub/software/scm/git/ docs/gittutorial.html http://www.kernel.org/pub/software/scm/git/ docs/gittutorial.html http://git-scm.com/documentation

12. Graphical Interfaces http://git-cola.github.com/ http://sourceforge.net/projects/qgit/ More comprehensive list: https://git.wiki.kernel.org/index.php/Interface sFrontendsAndTools#Web_Interface

13. Wiki 101 Create an account – Have Katie or Mike log in as WikiSysop – Go to http://titicaca.engin.umich.edu/mediawiki/index.php/ Special:UserLogin Click this Change this You will get an error about the email address: still working out why, but your account will be set up! Fill out the form

14. Navigating Wiki Editing To create a header: ==Header Text== – More ‘=‘ demotes the heading in the outline (e.g., Section 3 to Section 2.1) Formatting basics: – ‘’italic’’ – ‘’’bold’’’ – ‘’’’bold & italic’’’’ – text – ignores wiki ‘’markup’’ – * bullet – ** indented bullet HTML symbols Still sorting out math libraries http://www.mediawiki.org/wiki/Help:Formatting

15. Creating New Pages/ Linking To create a new page in the Wiki, you have to create a link to it from somewhere else Links are formatted as: – [http://example.org/index.php DISPLAY TEXT]