#!/usr/bin/env bash

source "${TAMARIN_UTIL}"

if [ -f debian/changelog ] || [ ! -d .git ]; then
    info "Not a Git repository or Debian changelog already exists !"
    exit
fi

# Get commits log as changelog

logs=$(git log --pretty=format:"%an - %h : %s" | sed 's/"/\\"/g')

# Set the top commiter as the maintainer of the project if not defined
top_contributor=$(git log --pretty=short | git shortlog -s -n -e | sed 's/^\s*[0-9]*\s*//g' | head -n 1)
maintainer=$(get_opt maintainer "${top_contributor}")

project_name=$(get_opt project_name)
version=$(get_opt version 0.0.0)
distribution=$(get_opt distribution UNRELEASED)
urgency=$(get_opt urgency low)

commit_count=$(git rev-list --count --first-parent HEAD)
current_commit=$(git log -n 1 --pretty=format:"%h")
version_suffix=${commit_count}~${current_commit}

echo "${project_name} (${version}.tamarin${version_suffix}) ${distribution}; urgency=${urgency}" > debian/changelog

echo >> debian/changelog

while read -r entry; do
    echo "  * ${entry}" >> debian/changelog
done <<< "$(echo -e "${logs}" | sed 's/^"//')"

echo >> debian/changelog

echo " -- ${maintainer}  $(date -R)" >> debian/changelog
echo >> debian/changelog