Re: [FFmpeg-devel] Need help submitting a patch

[Leo Izen <leo.izen@gmail.com>]

On 5/3/22 00:12, Traian Coza wrote:
> Hi! I am new to contributing to FFmpeg, and I have a technical question.
>
> I'm trying to submit a patch, but it's a fairly large patch, which I've
> made in multiple commits. I don't know how to generate the email for this
> patch. The example command given on the website (with format-patch) only
> generates the email for a single commit. I've searched the web and I don't
> really see an easy way to do it. Can someone help me out with this?
>
I find the easiest way to do it for me is to generate the patches with 
"git format-patch" and then send them with "git send-email".

Once you have your patches atop the master branch, you can create a 
directory called outgoing/ and then run something like:

git format-patch -M -o outgoing/ --cover-letter origin/master

In this case, --cover-letter generates a cover letter, which you then 
edit to give a short blurb of what your patch set looks like. Then when 
you run git send-email outgoing/* you will have the patches embedded as 
replies to that cover letter email. "origin/master" is the hash of the 
last commit *before* yours, but it can by any ref, such as 
origin/master, not just a commit hash. You can also just substitute the 
commit hash there if your repositories/branches are named differently.

Since you use Gmail (at least, from your email address), you will need 
to enable Less Secure Apps if you have two-factor authentication 
disabled. If you have it enabled, you will have to generate an App 
Password for git-send-email, and then use that as the account password 
instead of your own.

- Leo Izen (thebombzen)


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