Git Version Control System

Transcript

1. GIT VERSION CONTROL SYSTEM GIT VERSION CONTROL SYSTEM
2. EVOLUTION Ve r s i o n C o n t r o l EVOLUTION
3. LOCAL VCS LOCAL VCS
4. CENTRALIZED VCS CENTRALIZED VCS
5. DISTRIBUTED VCS DISTRIBUTED VCS
6. HISTORY o f G i t HISTORY
7. 1991 2002 2005 Present Linux Kernel maintenance passed around as patches and archived les Linux Kernel project began using proprietary DVCS system called BitKeeper Relationship between Linix community and company that owned BitKeeper broke down
8. “To hell with it we’ll build our own!” - Me imagining
9. Speed Simple Non-linear Development Fully Distributed + + + Large Projects +
11. vs SNAPSHOTS DIFFERENCES
12. DIFFERENCES Version 1 Version 2 Version 3 Version 4 le A le B le C ˚ 1 ˚ 2 ˚ 1 ˚ 2 ˚ 1
13. SNAPSHOTS Version 1 Version 2 Version 3 Version 4 B C A1 B C1 A1 B C2 A2 B1 C2 A
14. vs CLONING CHECKOUT
15. CHECKOUT retrieve a certain version of the repository and placing it in the working directory
16. CLONING receive a copy of nearly all data that the server has including every version of every le for the history of the project
17. LOCAL OPERATIONS working directory staging area git dir. (repo) checkout project stage les commit LOCAL OPERATIONS
18. BASICS git init start tracking existing project in git git add . git commit -m “initial commit” begin tracking les and make rst commit
19. BASICS get a copy of existing git repo git status determine what les are in what state git clone git://rit.edu/foo.git git diff to see what has changed but not yet staged
20. KILLER FEATURE: BRANCHING
21. branching adj - diverge from the main line of development and continue to do work with out messing with the original line.
22. BRANCHING create a new branch named testing git checkout testing switch to an existing branch git branch testing git merge testing merge all changes from a branch
23. LOCAL WORKFLOW master feature-branch
24. LOCAL WORKFLOW master feature-branch
25. REMOTE REPOS to view remote servers you have con gured git remote add james git://url adding a remote repository git remote git fetch james pulls changed data to local repo (no merging)
26. REMOTE REPOS automatically fetch and merge remote branch git push james master share your code with a remote branch git pull james master
27. DEMONSTRATION
28. git:hub
29. SOCIAL CODING
30. ?