No other package besides Emacs uses gitmerge.el, so I don't see that this is relevant for upstream gnulib.
- [PATCH] gitlog-to-changelog: improve gitmerge.el commits Paul Eggert
- Re: [PATCH] gitlog-to-changelog: improve gitmerge.el com... Glenn Morris
No other package besides Emacs uses gitmerge.el, so I don't see that this is relevant for upstream gnulib.