echo "## Changelog"
ncommits=$(git rev-list --count $previous..$current)
ncontribs=$(git log $previous..HEAD --format='%ae' | sort -u | wc -l)
ncontribs=$(git log $previous..$current --format='%ae' | sort -u | wc -l)
echo
echo "This release contains $ncommits commit(s) by $ncontribs contributor(s)."