git format-patch

gistfile1.txt

D:\marcin\git\work1> git format-patch -1
0001-Separator.patch

D:\marcin\git\work1> cd..

D:\marcin\git> cd work2

D:\marcin\git\work2> git status
On branch master
Your branch is up-to-date with 'origin/master'.
nothing to commit, working directory clean

D:\marcin\git\work2> git am < ..\work1\0001-Separator.patch
Applying: Separator
error: patch failed: index.txt:1
error: index.txt: patch does not apply
Patch failed at 0001 Separator
The copy of the patch that failed is found in: .git/rebase-apply/patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".git

D:\marcin\git\work2> git status
On branch master
Your branch is up-to-date with 'origin/master'.
You are in the middle of an am session.
  (fix conflicts and then run "git am --continue")
  (use "git am --skip" to skip this patch)
  (use "git am --abort" to restore the original branch)

nothing to commit, working directory clean