git introduction

Agenda

• Characteristics
• Basic Work Flows
• Concepts and Terms
• Commands in Categories
• Data Structures
• References

Git Characteristics

• Distributed (Decentralized)
• Separating Commits from Publishing
• Complete History and Complete Repository
• Integrity and Trust
• Merge Effectively
• Performance

Basic Workflows

• Init/clone
• Add
• Commit
• Clone
• Push
• Pull
• Status
• Diff
• Branch
• Tag
• Help

Git Concepts and Terms

• Repository (Bare, Development(non-bare))
• Stage
• Working Directory
• Forking
• Branch
• Tag
• Remote
• Tracking Branch
• Hook

Commands in Categories

Getting and Creating Projects

• Init
• Clone

Basic Snapshotting

• Add
• ls-files
• Status
• Diff
• Commit
• Reset
• Rm
• Mv
• stash

Branching and Merging

• branch
• checkout
• merge
• tag

Sharing and Updating Projects

• fetch, pull
• push
• remote

Inspection and Comparison

• log
• diff

Miscellaneous

• rev-list
• Alias
• Config
• Show-branch
• Show
• Bisect
• Format-patch
• Send-email
• Am
• Apply
• Rebase

Data structures

• Blob
• Index(Tree)
• Commit

References

• gitref.org
• git-scm.com

#some hands on of git commands#lib.shnum_from_to () {from=$1to=$2i=$fromresult=""while [ $i -le $to ]; doresult="$result $i"i=` expr $i + 1`doneecho $result}commit () {file_name=$1from=$2to=$3for i in `num_from_to $from $to` ; doecho $i >> $file_namegit add $file_namegit commit  -m "$i"done}#clone_bare.sh source lib.shcd $WSrm -rf hello.gitrm -rf hellorm -rf hello2mkdir hellocd hellogit init commit tst.txt 1 3cd $WSgit clone --bare $WS/hello hello.gitgit clone $WS/hello.git hello2cd hello2commit tst.txt 4 5commit hi_git.txt 6 8 git push cd $WScd hellogit remote add origin $WS/hello.gitgit remote update #sleep 8git branch --set-upstream master origin/mastergit show-branch git remote show origin git pull git log -pgit branch featuregit branch -agit checkout feature commit hi_git.txt 9 10 git checkout mastergit merge feature commit hi_git.txt 11 12 git tag 1.0.0git tag -lgit show 1.0.0