rhodecode/templates/changeset/patch_changeset.html

%if h.is_hg(c.rhodecode_repo):
# ${c.rhodecode_repo.alias.upper()} changeset patch
# User ${c.changeset.author|n}
# Date ${c.changeset.date}
# Node ID ${c.changeset.raw_id}
${c.parent_tmpl}
${c.changeset.message}

%elif h.is_git(c.rhodecode_repo):
From 35d9475598be9f807cd800e51212b8f1efbeacd9 Mon Sep 17 00:00:00 2001
From: ${c.changeset.author}
Date: ${c.changeset.date}
Subject: [PATCH] ${c.changeset.message}
---

%endif
${c.diff|n}