/usr/share/vim/addons/snippets/diff.snippets is in vim-snippets 1.0.0-4.
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1 2 3 4 5 6 7 8 9 10 | # DEP-3 (http://dep.debian.net/deps/dep3/) style patch header
snippet header DEP-3 style header
Description: ${1}
Origin: ${2:vendor|upstream|other}, ${3:url of the original patch}
Bug: ${4:url in upstream bugtracker}
Forwarded: ${5:no|not-needed|url}
Author: ${6:`g:snips_author`}
Reviewed-by: ${7:name and email}
Last-Update: ${8:`strftime("%Y-%m-%d")`}
Applied-Upstream: ${0:upstream version|url|commit}
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