llvm/utils/git/arcfilter.sh - llvm-project - Git at Google

 #!/bin/sh

 # Remove the phabricator tags from the commit at HEAD
 git log -1 --pretty=%B | \
   sed  's/^Summary://'  | \
   awk '/Reviewers:|Subscribers:/{p=1} /Reviewed By:|Differential Revision:/{p=0} !p && !/^Summary:$/ {sub(/^Summary: /,"");print}' | \
   git commit --amend --date=now -F -
	#!/bin/sh

	# Remove the phabricator tags from the commit at HEAD
	git log -1 --pretty=%B \| \
	sed 's/^Summary://' \| \
	awk '/Reviewers:\|Subscribers:/{p=1} /Reviewed By:\|Differential Revision:/{p=0} !p && !/^Summary:$/ {sub(/^Summary: /,"");print}' \| \
	git commit --amend --date=now -F -