from IPython.display import Image

# create a new git repository called gitdemo:
!git init gitdemo

!git clone https://github.com/qutip/qutip

!git clone gitdemo gitdemo2

!git status

%%file README

A file with information about the gitdemo repository.

!git status

!git add README

!git status

!git commit -m "Added a README file" README

!git add Lecture-7-Revision-Control-Software.ipynb

!git commit -m "added notebook file" Lecture-7-Revision-Control-Software.ipynb

!git status 

%%file README

A file with information about the gitdemo repository.

A new line.

!git status

!git commit -m "added one more line in README" README

!git status

%%file tmpfile

A short-lived file.

!git add tmpfile

!git commit -m "adding file tmpfile" tmpfile 

!git rm tmpfile

!git commit -m "remove file tmpfile" tmpfile 

!git log

%%file README

A file with information about the gitdemo repository.

README files usually contains installation instructions, and information about how to get started using the software (for example).

!git diff README

Image(filename='images/github-diff.png')

!git checkout -- README

!git status

!git log

!git checkout 1f26ad648a791e266fbb951ef5c49b8d990e6461

!cat README

!git checkout master 

!cat README

!git status

!git log

!git tag -a demotag1 -m "Code used for this and that purpuse" 

!git tag -l 

!git show demotag1

!git branch expr1 

!git branch

!git checkout expr1

%%file README

A file with information about the gitdemo repository.

README files usually contains installation instructions, and information about how to get started using the software (for example).

Experimental addition.

!git commit -m "added a line in expr1 branch" README

!git branch

!git checkout master

!git branch

!git checkout master

!git merge expr1

!git branch 

!git branch -d expr1

!git branch

!cat README

!git remote

!git remote show origin

!git pull origin

!git status

!git add Lecture-7-Revision-Control-Software.ipynb

!git commit -m "added lecture notebook about RCS" Lecture-7-Revision-Control-Software.ipynb

!git push

Image(filename='images/github-project-page.png')

Image(filename='images/gitk.png')