git créer une nouvelle branche à partir de la branche existante
git checkout -b <new-branch> <existing-branch>
MaestroError
git checkout -b <new-branch> <existing-branch>
//when on branch 'dev' make branch 'myFeature' off of 'dev'
git checkout -b myFeature dev
$ git checkout -b myFeature dev
git checkout -b <branch-name>
Syntax: git branch <new-branch-name> <existing-branch-name>
Example: git branch newone master
Here newone is new branch and master is existing