Re: Pushing git patches to a subversion project

Martin Langhoff <martin.langhoff@gmail.com> writes:

> I am starting to work an svn-based upstream. In order to make life
> easy for me and for them I am trying to figure out a way for them to
> be able to merge my (emailed) patches atomically and preserving my
> comments.
>
> Something like git-am for svn.

Many building blocks git-am uses should be usable for this.

 * git-mailsplit you already know about due to earlier "non UNIX
   mbox" discussion.

 * git-mailinfo can be used to parse out commit message, title
   and authorship information, and actual patch.

 * git-apply without --index option can be used to apply patch
   to the working tree, but normal "patch -p1" would do the same
   unless it is a git renaming patch.  git-apply would also be
   useful for its --summary option to find out mode changes
   (if it is a git patch) and file creation and deletion.

So probably you could script something like this:

	$ git mailinfo .msg .patch <e-mail-file >.info
        $ (sed -ne 's/^Subject: //p' .info ; echo ; cat .msg) >.final-msg
	$ git apply --summary <.patch |
        while read cd mo de file
        do
        	case "$cd" in
                create)
                	svn add "$file" ;;
		delete)
                	svn rm "$file" ;;
		esac
	done
	$ svn commit -F .final-msg


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