author_addr="${author%> *}>"
{
echo "From: $author_addr"
+ ! header="$(git config topgit.to)" || echo "To: $header"
+ ! header="$(git config topgit.cc)" || echo "Cc: $header"
+ ! header="$(git config topgit.bcc)" || echo "Bcc: $header"
echo "Subject: [PATCH] $1"
echo
cat <<EOT