判断相同则不需要跟新

src/main/java/com/zeekling/blog/BlogUpdateServiceImpl.java

@@ -16,9 +16,7 @@ import java.net.MalformedURLException;
 import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
 import java.util.Date;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 
 /**
  * @author zeekling [lingzhaohui@zeekling.cn]
@@ -62,6 +60,12 @@ public class BlogUpdateServiceImpl implements BlogUpdateService {
             return -1;
         }
         final String readme = genSoloBlogReadme(loginName + "/" + blogConfigure.getRepoName());
+        LOGGER.log(Level.INFO, "begin get README.md");
+        final String oldReadname = GitHubs.getGitHubFile("README.md", blogConfigure.getRepoName(), blogConfigure.getPat(), "master");
+        if (oldReadname != null && oldReadname.equals(readme)) {
+            LOGGER.log(Level.INFO, "do not need to update file:README.md");
+            return 0;
+        }
         ok = GitHubs.updateFile(blogConfigure.getPat(), loginName, blogConfigure.getRepoName(), "README.md", readme.getBytes(StandardCharsets.UTF_8));
         if (ok) {
             LOGGER.log(Level.INFO, "Exported public articles to your repo [" + blogConfigure.getRepoName() + "]");
@@ -82,15 +86,13 @@ public class BlogUpdateServiceImpl implements BlogUpdateService {
         } catch (FeedException | MalformedURLException e) {
             e.printStackTrace();
         }
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-        String currentDate = format.format(new Date());
         bodyBuilder.append("\n\n");
 
-        String ret = "### Hey \uD83D\uDC4B, I'm [Zeek Ling](https://www.zeekling.cn)! \n" +
+        String ret = "### Hey \uD83D\uDC4B, I'm [ZEEKLING](https://www.zeekling.cn)! \n" +
                 "![Github Stats](https://github-readme-stats.vercel.app/api?username=zeekling&show_icons=true) \n" +
                 "### 我在[小令童鞋](https://www.zeekling.cn)的近期动态\n" +
                 "\n" +
-                "⭐️ Star [个人主页](https://github.com/zeekling/zeekling) 后会自动更新，最近更新时间：`" + currentDate + "`\n" +
+                "⭐️ Star [个人主页](https://github.com/zeekling/zeekling) 后会自动更新" +
                 "\n<p align=\"center\"><img alt=\"${title}\" src=\"${favicon}\"></p><h2 align=\"center\">" +
                 "${title}\n" +
                 "</h2>\n" +

src/main/java/com/zeekling/util/GitHubs.java

@@ -66,6 +66,28 @@ public final class GitHubs {
         }
     }
 
+    public static String getGitHubFile(final String filePath, final String fullRepoName, final String pat, final String branchName) {
+        try {
+            final HttpResponse res = HttpRequest.get("https://raw.githubusercontent.com/" + fullRepoName  +  "/" + branchName +  "/" + filePath)
+                                .header("Authorization", "token " + pat)
+                                .connectionTimeout(7000)
+                                .timeout(60000)
+                                .header("User-Agent", GitHubConstants.USER_AGENT)
+                                .send();
+            int code = res.statusCode();
+            res.charset("UTF-8");
+            String responseBody = res.bodyText();
+            if (200 != code) {
+                LOGGER.log(Level.ERROR, "Get git tree of file [" + filePath + "] failed: " + responseBody);
+                return null;
+            }
+            return responseBody;
+        } catch (final Exception e) {
+            LOGGER.log(Level.ERROR, "Gets GitHub file failed", e);
+        }
+        return null;
+    }
+
     /**
      * Updates a file by the specified personal access token, GitHub login name, repo name, file path and file content.
      *
@@ -89,9 +111,7 @@ public final class GitHubs {
                 return false;
             }
 
-            final JSONObject body = new JSONObject().
-                    put("message", ":memo: 更新博客").
-                    put("content", Base64.getEncoder().encodeToString(content));
+            final JSONObject body = new JSONObject().put("message", ":memo: 自动更新博客").put("content", Base64.getEncoder().encodeToString(content));
             if (200 == statusCode) {
                 final JSONObject responseData = new JSONObject(responseBody);
                 final JSONArray tree = responseData.optJSONArray("tree");

src/test/java/com/zeekling/blog/BlogUpdateTest.java

@@ -14,7 +14,7 @@ public class BlogUpdateTest {
 
     @Test
     public void updateGitHub(){
-        String pat = "068783457fa6e084aad1342ed2730f33a0255b97";
+        String pat = "c9e0b35a43858edbb75bf3bcb4731b8227a82687";
         final JSONObject gitHubUser = GitHubs.getGitHubUser(pat);
         if (null == gitHubUser) {
             return;