From 9f2f9dc8cbea9bcc29655fd971319d46eab71be5 Mon Sep 17 00:00:00 2001
From: Stephen Zhou <hi@hyoban.cc>
Date: Sat, 20 Apr 2024 23:10:38 +0800
Subject: [PATCH] feat: support generate changelog inFile

---
 src/index.js | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/index.js b/src/index.js
index 4d8deb6..49743ba 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,5 @@
 import fs from "node:fs";
+import { EOL } from "node:os";
 
 import { versionBump } from "bumpp";
 import {
@@ -164,6 +165,39 @@ class ReleaseItPnpmPlugin extends Plugin {
     }
   }
 
+  async writeChangelog(changelog) {
+    const { inFile, header: _header = "# Changelog" } = this.options;
+    const header = _header.split(/\r\n|\r|\n/g).join(EOL);
+
+    let hasInFile = false;
+    try {
+      fs.accessSync(inFile);
+      hasInFile = true;
+    } catch (err) {
+      this.debug(err);
+    }
+
+    let previousChangelog = "";
+    try {
+      previousChangelog = await fs.promises.readFile(inFile, "utf8");
+      previousChangelog = previousChangelog.replace(header, "");
+    } catch (err) {
+      this.debug(err);
+    }
+
+    fs.writeFileSync(
+      inFile,
+      header +
+        (changelog ? EOL + EOL + changelog.trim() : "") +
+        (previousChangelog ? EOL + EOL + previousChangelog.trim() : "") +
+        EOL,
+    );
+
+    if (!hasInFile) {
+      await this.exec(`git add ${inFile}`);
+    }
+  }
+
   async release() {
     if (this.options?.disableRelease) return;
 
@@ -218,6 +252,11 @@ class ReleaseItPnpmPlugin extends Plugin {
             return;
           }
 
+          const { inFile } = this.options;
+          if (inFile) {
+            await this.writeChangelog(md);
+          }
+
           if (!config.token) {
             this.log.error(
               red(