feat: support count_tags option

Signed-off-by: tison <wander4096@gmail.com>

git-cliff-core/src/changelog.rs

@@ -485,6 +485,7 @@ mod test {
 				tag_pattern:              None,
 				skip_tags:                Regex::new("v3.*").ok(),
 				ignore_tags:              None,
+				count_tags:               None,
 				topo_order:               Some(false),
 				sort_commits:             Some(String::from("oldest")),
 				link_parsers:             None,

git-cliff-core/src/config.rs

@@ -109,6 +109,9 @@ pub struct GitConfig {
 	/// Regex to ignore matched tags.
 	#[serde(with = "serde_regex", default)]
 	pub ignore_tags:              Option<Regex>,
+	/// Regex to count matched tags.
+	#[serde(with = "serde_regex", default)]
+	pub count_tags:               Option<Regex>,
 	/// Whether to sort tags topologically.
 	pub topo_order:               Option<bool>,
 	/// Sorting of the commits inside sections.

git-cliff-core/tests/integration_test.rs

@@ -113,6 +113,7 @@ fn generate_changelog() -> Result<()> {
 		tag_pattern:              None,
 		skip_tags:                None,
 		ignore_tags:              None,
+		count_tags:               None,
 		topo_order:               None,
 		sort_commits:             None,
 		link_parsers:             Some(vec![

git-cliff/src/lib.rs

@@ -87,12 +87,23 @@ fn process_repository<'a>(
 	let mut tags = repository.tags(&config.git.tag_pattern, args.topo_order)?;
 	let skip_regex = config.git.skip_tags.as_ref();
 	let ignore_regex = config.git.ignore_tags.as_ref();
+	let count_tags = config.git.count_tags.as_ref();
 	tags = tags
 		.into_iter()
 		.filter(|(_, name)| {
 			// Keep skip tags to drop commits in the later stage.
 			let skip = skip_regex.map(|r| r.is_match(name)).unwrap_or_default();
 
+			let count = count_tags
+				.map(|r| {
+					let count_tag = r.is_match(name);
+					if count_tag {
+						trace!("Counting release: {}", name)
+					}
+					count_tag
+				})
+				.unwrap_or(true);
+
 			let ignore = ignore_regex
 				.map(|r| {
 					if r.as_str().trim().is_empty() {
@@ -107,7 +118,7 @@ fn process_repository<'a>(
 				})
 				.unwrap_or_default();
 
-			skip || !ignore
+			skip || (count && !ignore)
 		})
 		.collect();