You have a project

you want to collaborate on

You add a window

     You

Eva adds a chimney

     Eva

Eva and you put your work together

     Eva

     You

But now Bob adds a door

     Bob

Your work is conflictual

     Bob

     You

But you can choose to resolve it

     Bob

     You

Protect yourself from others and others from yourself

Git is not an auto-save solution

Because in Git,
a modification is described before being shared

Git stages

Untracked

Unmodified

Modified

staged

Git stages

Untracked

Unmodified

Modified

staged

Add the file

Git stages

Untracked

Unmodified

Modified

staged

Add the file

Edit the file

Git stages

Untracked

Unmodified

Modified

staged

Add the file

Edit the file

Stage the file

Git stages

Untracked

Unmodified

Modified

staged

Add the file

Edit the file

Stage the file

Commit

Git stages

Untracked

Unmodified

Modified

staged

Add the file

Edit the file

Stage the file

Commit

Remove the file