Git patch

• Create a patch out of the difference with other branch

git format-patch master --stdout > fix_empty_poster.patch

• Create a patch out of a commit

git show HEAD > some-patch0001.patch
Replace HEAD by a commit number 
http://ariejan.net/2009/10/26/how-to-create-and-apply-a-patch-with-git

* **Appliquer ce patch et autocommiter un commit du changement**
git am --signoff < fix_empty_poster.patch