4th Week Git

• complete history of every change

• time travel - go back to any version

• parallel work - branches for experiments

• Collaboration - merge changes from multiple people

• Git = Version control software, runs on computer, track changes locally (Version hitory of Word)

• coud platform hosts your repositiries, enables collaboration (Word in one drive)

1. edit files in your working directory

2. stage the changes you want to sace (git add)

3. commit to permanently record them (git commit)

A repository is a project folder tracked by Git

What’s inside?

• your project files

• hidden .git folder

• complete history of changes

• brach information

Create = $ git innit

Clone = $ git clone <url>

snapshot of project at a point of time

Each commit contains:

• unique ID

• message (describing the change)

• author and time stamp

• snapshot of all files

is a parallel line of development

• work on features without breaking main

• experiment safely

• multiple people work on different features simultaneously

• is a request to merge your changes

• Code review - others check before it’ merged

• discussion - commment on specific lines

• quality control - prevent bugs from reaching main

some files should never be commited

• large datasets

• temporary files

• credentials

• system junk