git diff fichiers de différentes branches
# If the two files have different paths in each branch
git diff branch1:path/to/file branch2:path/to/file
Gifted Gorilla
# If the two files have different paths in each branch
git diff branch1:path/to/file branch2:path/to/filegit diff mybranch master -- myfile.cs
Just specify your local branch1 or remote origin/branch2
git diff branch1 origin/branch2 #show diff referenced from second branch
git diff branch1 branch2 file.txt #show diff only between file.txt