chore(release): set a custom changelog for the tag message

release.sh

@@ -1,13 +1,22 @@
 #!/usr/bin/env bash
 
+# takes the tag as an argument (e.g. v0.1.0)
 if [ -n "$1" ]; then
+	# update the changelog
 	cargo run -- --tag "$1" > CHANGELOG.md
 	git add -A && git commit -m "chore(release): prepare for $1"
+	# generate a changelog for the tag message
+	export TEMPLATE="\
+	{% for group, commits in commits | group_by(attribute=\"group\") %}
+	{{ group | upper_first }}\
+	{% for commit in commits %}
+		- {{ commit.message | upper_first }}\
+	{% endfor %}
+	{% endfor %}"
 	changelog=$(cargo run -- --unreleased --strip all)
-	changelog=${changelog//### /}
-	changelog=${changelog//## [unreleased\]/}
-	git -c user.name="git-cliff" \
-		-c user.email="[email protected]" \
-		-c user.signingkey="1D2D410A741137EBC544826F4A92FA17B6619297" \
+	# create a tag
+	git -c user.signingkey="1D2D410A741137EBC544826F4A92FA17B6619297" \
 		tag -s -a "$1" -m "Release $1" -m "$changelog"
+else
+	echo "warn: please provide a tag"
 fi