Master Git and Github

Course link: https://www.udemy.com/course/master-git-and-github-fastest-way-ever/l

Software Development Life Circle (SDLC)

• Planning
• Defining
• Designing
• Building
• Testing
• Deployment

SDLC Methodologies

• Waterfall Model
• Agile Model
• Iterative Model
• Spiral Model
• V-Model
• Big Bang Model

Source Code Management (SCM also VCS)

(VCS: Version Control System)

• Are software systems
• Records all changes for a set of files over time
• Allows you to share those changes
• Provide merging and tracking of recorded changes

Why use SCM?

When working as a development team, SCM allow us:
    * To collaborate efficiently on a single codebase
    * Help resolve code conflicts
    * Makes it easy to share contents
    * Keep track of every changes: SCM as a Single Source of Truth
    * Provides a complete modification history

Styles of SCM?

• Local
• Centralized
• Distributed

Cloud-based SCM

• GitHub
• Bitbucket by Atlassian
• Amazon CodeCommit
• Visual Studio Online by Microsoft
• SourceForge

GitLab

• Using an open-source license, developed by GitLab Inc.
• A web-based Dev-Ops lifecycle tool
• Provides a Git-repository manager
• Provides Wiki
• Issue tracking
• CI/CD pipeline features

Installation Git by commands (on Linux)

sudo apt update

sudo apt install git

git config --global user.name <username>
git config --global user.email <email@gmail.com>

git --version

Git commands (using Linux for demo)

git config --global user.name <username>
git config --global user.email <email@gmail.com>

git init <repoName>

git clone <repoLink.git>

git add .    //add files which were changed to staging area

git push     //push all files in staging area to remote repository

git fetch    //will not merge to current working copy, just create new branch name FETCH_HEAD

git pull     //git pull = git fetch + git merge

git status

git diff

git reset <fileName>

git rm

git log

git branch    //show all local branches
git branch -a  

git checkout <branchNameToSwitch>  //switch from one branch to another 

git merge

git remote