add-changelog

#!/bin/sh
version=$1;

if [ -z "$version" ] || [ "$#" -lt 2 ];  then
    echo "Usage: $0 VERSION REV-LIST-ARGS" >&2
    exit 1;
fi

shift

(
    echo $version;
    git log --no-merges --format=' * %s -%ae' "$@"
    echo
    cat ChangeLog
) | sponge ChangeLog