"Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> writes:
>>
>> It should be (starting from master):
>> $ git checkout -b newbranch # create a new branch for your changes
>> $ echo "foo" > newfile # edit the file
>> $ git add newfile # add it to the index
>> $ git commit -m "Add newfile" # commit it
>> $ git format-patch master # get a patch
>> $ git checkout master # go back to original state
>>
>> There is now a file 0001-Add-newfile.patch that has your changes. Then
>> you can delete newbranch if you want.
>
> ok, i'll give that a shot, but i'm still sure i've seen a way to do it
> that didn't require creating a new branch.
>
You definitely don't need to create a new branch if you don't want to.
(from master)
$ echo "foo" > newfile # edit the file
$ git add newfile # add it to the index
$ git commit -m "Add newfile" # commit it
$ git format-patch HEAD^ # get the diff versus the state before
$ git reset --hard HEAD^ # reset to state before
HEAD^ means "the commit before the one I'm at right now."
Eric
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