feat(changelog): 使用统一的 CHANGELOG_HEADER 常量生成标准化头部

src/git/changelog.rs

@@ -5,6 +5,15 @@ use std::collections::HashMap;
 use std::fs;
 use std::path::Path;
 
+pub const CHANGELOG_HEADER: &str = r#"# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+"#;
+
 /// Changelog generator
 pub struct ChangelogGenerator {
     format: ChangelogFormat,
@@ -109,9 +118,10 @@ impl ChangelogGenerator {
         };
         
         let new_content = if existing.is_empty() {
-            format!("# Changelog\n\n{}", entry)
-        } else {
-            // Find position after header
+            format!("{}{}", CHANGELOG_HEADER, entry)
+        } else if existing.starts_with(CHANGELOG_HEADER) {
+            format!("{}{}", CHANGELOG_HEADER, entry)
+        } else if existing.starts_with("# Changelog") {
             let lines: Vec<&str> = existing.lines().collect();
             let mut header_end = 0;
             
@@ -129,6 +139,8 @@ impl ChangelogGenerator {
             let rest = lines[header_end..].join("\n");
             
             format!("{}\n{}\n{}", header, entry, rest)
+        } else {
+            format!("{}{}", CHANGELOG_HEADER, entry)
         };
         
         fs::write(changelog_path, new_content)
@@ -378,16 +390,7 @@ pub fn init_changelog(path: &Path) -> Result<()> {
         anyhow::bail!("Changelog already exists at {:?}", path);
     }
     
-    let content = r#"# Changelog
-
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-"#;
-    
-    fs::write(path, content)
+    fs::write(path, CHANGELOG_HEADER)
         .with_context(|| format!("Failed to create changelog: {:?}", path))?;
     
     Ok(())