git diff 2 branches code example

Example 1: git show diff between branches

git diff branch_1..branch_2

Example 2: git diff between branches file

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

Example 3: diff specific file git different branches

git diff mybranch master -- myfile.cs

Example 4: git merge diff between branches

Just store diff into a patch file, edit patch if needed and apply patch:
git diff commitid1 commitid2 > file.patch #edit diff to merge in file
git apply file.patch	#Apply diff of patch file into current branch

Example 5: git compare two branches

git diff branch1..branch2