[Feature] Save last merge option or change default

[nilsnilsnils]

On merge I can select a merge option.

But if I want anther option every time I have to change it every time.

It would be nice if I can save the last option as default or anything like this

[love-linger]

SourceGit will auto select the Merge Option by checking the following configurations in order

1. Reads the pre-branch configuration branch.<branch_name>.mergeoptions from git config command
2. Check Preferred Merge Mode settings in repositories configuration

[love-linger]

[nilsnilsnils]

Oh thanks :D

[sina-hide]

Since #1495 there is a third way (with the lowest priority):

3. Read the configuration merge.ff from git config.

Edit: The third way is now no longer explicitly implemented, see #1495 (comment).