feat: allow field to read from context object

git-cliff-core/src/changelog.rs

@@ -104,13 +104,6 @@ impl<'a> Changelog<'a> {
 		}
 	}
 
-	// fn load_commits(&mut self) {
-	// 	debug!("Loading commits...");
-	// 	self.releases.iter_mut().for_each(|release| {
-
-	// 	})
-	// }
-
 	/// Processes the commits and omits the ones that doesn't match the
 	/// criteria set by configuration file.
 	fn process_commits(&mut self) {

git-cliff-core/src/commit.rs

@@ -264,6 +264,13 @@ impl Commit<'_> {
 		protect_breaking: bool,
 		filter: bool,
 	) -> Result<Self> {
+		let lookup_context = serde_json::to_value(&self).map_err(|e| {
+			AppError::FieldError(format!(
+				"failed to convert context into value: {}",
+				e
+			))
+		})?;
+
 		for parser in parsers {
 			let mut regex_checks = Vec::new();
 			if let Some(message_regex) = parser.message.as_ref() {
@@ -287,25 +294,17 @@ impl Commit<'_> {
 			if let (Some(field_name), Some(pattern_regex)) =
 				(parser.field.as_ref(), parser.pattern.as_ref())
 			{
-				regex_checks.push((
-					pattern_regex,
-					match field_name.as_str() {
-						"id" => Some(self.id.clone()),
-						"message" => Some(self.message.clone()),
-						"body" => body,
-						"author.name" => self.author.name.clone(),
-						"author.email" => self.author.email.clone(),
-						"committer.name" => self.committer.name.clone(),
-						"committer.email" => self.committer.email.clone(),
-						_ => None,
+				match tera::dotted_pointer(&lookup_context, field_name) {
+					Some(value) => {
+						regex_checks.push((pattern_regex, value.to_string()));
 					}
-					.ok_or_else(|| {
-						AppError::FieldError(format!(
+					None => {
+						return Err(AppError::FieldError(format!(
 							"field {} does not have a value",
 							field_name
-						))
-					})?,
-				));
+						)));
+					}
+				}
 			}
 			if parser.sha.clone().map(|v| v.to_lowercase()).as_deref() ==
 				Some(&self.id)