feat(changelog): add release dates to the template

Signed-off-by: orhun <orhunparmaksiz@gmail.com>

Cargo.lock

@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.18"
@@ -315,6 +317,7 @@ dependencies = [
 name = "gitolith-cli"
 version = "0.1.0"
 dependencies = [
+ "chrono",
  "gitolith-core",
  "log",
  "pretty_env_logger",

gitolith-cli/Cargo.toml

@@ -16,6 +16,7 @@ edition = "2018"
 gitolith-core = { path = "../gitolith-core" }
 pretty_env_logger = "0.4.0"
 log = "0.4.14"
+chrono = "0.4.19"
 
 [dependencies.structopt]
 version = "0.3"

gitolith-cli/src/main.rs

@@ -1,6 +1,11 @@
 mod args;
 
 use args::Opt;
+use chrono::{
+	DateTime,
+	NaiveDateTime,
+	Utc,
+};
 use gitolith_core::changelog::Changelog;
 use gitolith_core::commit::Commit;
 use gitolith_core::config::Config;
@@ -39,12 +44,20 @@ fn main() -> Result<()> {
 	};
 	let mut release_index = 0;
 	for git_commit in commits.into_iter().rev() {
-		let commit = Commit::from(git_commit);
+		let commit = Commit::from(&git_commit);
 		let commit_id = commit.id.to_string();
 		release_root.releases[release_index].commits.push(commit);
 		if let Some(tag) = tags.get(&commit_id) {
 			release_root.releases[release_index].version = Some(tag.to_string());
 			release_root.releases[release_index].commit_id = Some(commit_id);
+			release_root.releases[release_index].date = Some(
+				DateTime::<Utc>::from_utc(
+					NaiveDateTime::from_timestamp(git_commit.time().seconds(), 0),
+					Utc,
+				)
+				.format(&config.changelog.date_format)
+				.to_string(),
+			);
 			release_index += 1;
 		}
 	}

gitolith-core/src/commit.rs

@@ -27,8 +27,8 @@ pub struct Commit<'a> {
 	pub group:   Option<String>,
 }
 
-impl<'a> From<GitCommit<'a>> for Commit<'a> {
-	fn from(commit: GitCommit<'a>) -> Self {
+impl<'a> From<&GitCommit<'a>> for Commit<'a> {
+	fn from(commit: &GitCommit<'a>) -> Self {
 		Self::new(
 			commit.id().to_string(),
 			commit.message().unwrap_or_default().to_string(),

gitolith-core/src/config.rs

@@ -29,6 +29,7 @@ pub struct ChangelogConfig {
 	pub group_parsers: Vec<GroupParser>,
 	pub filter_group:  bool,
 	pub tag_pattern:   String,
+	pub date_format:   String,
 }
 
 /// Parser for grouping commits.

gitolith-core/src/release.rs

@@ -29,4 +29,5 @@ pub struct Release<'a> {
 	pub commits:   Vec<Commit<'a>>,
 	#[serde(rename = "commit_id")]
 	pub commit_id: Option<String>,
+	pub date:      Option<String>,
 }

gitolith-core/src/repo.rs

@@ -98,7 +98,7 @@ mod test {
 				.to_path_buf(),
 		)?;
 		let commits = repository.commits()?;
-		let last_commit = AppCommit::from(commits.first().unwrap().clone());
+		let last_commit = AppCommit::from(&commits.first().unwrap().clone());
 		assert_eq!(get_last_commit_hash()?, last_commit.id);
 		if let Err(e) = last_commit.into_conventional() {
 			match e {

gitolith.toml

@@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 """
 
 body = """
-## {% if version %}Release {{ version }}{% else %}[unreleased]{% endif %}
+## {% if version %}[{{ version }}] - {{ date }}{% else %}[unreleased]{% endif %}
 {% for group, commits in commits | group_by(attribute="group") %}
 ### {{ group | capitalize}}
 {% for commit in commits %}
@@ -27,3 +27,5 @@ group_parsers = [
 filter_group = false
 
 tag_pattern = "v[0-9]*"
+
+date_format = "%Y-%m-%d"