feat: ASW-123 新增 application MR diff,conflict,commit 接口

1. 参考 gitlab 实现 merge request 功能

src/main/java/net/geedge/asw/common/util/RCode.java

@@ -62,6 +62,8 @@ public enum RCode {
 	// GIT
 	GIT_COMMIT_CONFLICT_ERROR(203001, "Commit failed; fix conflicts and then commit the result"),
 	GIT_MERGE_FAILED(203002, "Merge failed"),
+	GIT_PARENT_COMMITID_NOT_FOUND(203003, "Parent commitId not found"),
+	GIT_BINARY_CONFLICT_ERROR(203004, "Binary file conflict found; resolve conflicts in binary files manually"),
 
 
 	// Runner

src/main/java/net/geedge/asw/module/app/controller/GitController.java

@@ -11,6 +11,7 @@ import net.geedge.asw.module.app.service.IGitService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -56,6 +57,46 @@ public class GitController {
         return R.ok();
     }
 
+    @GetMapping("/{workspaceId}/branch/{branchName}/commits")
+    public R listBranchCommit(@PathVariable("workspaceId") String workspaceId,
+                              @PathVariable("branchName") String branchName,
+                              @RequestParam(required = false) String path,
+                              @RequestParam(required = false) Integer current,
+                              @RequestParam(required = false) Integer size) {
+        List<Map<Object, Object>> records = gitService.listBranchCommit(workspaceId, branchName, path);
+        if (null != current && null != size) {
+            int fromIndex = (current - 1) * size;
+            int toIndex = Math.min(fromIndex + size, records.size());
+            records = records.subList(fromIndex, toIndex);
+        }
+        return R.ok().putData("records", records);
+    }
+
+    @GetMapping({
+            "/{workspaceId}/branch/{branchName}/commit/{commitId}/diff",
+            "/{workspaceId}/branch/{branchName}/commit/{commitId}/diff/{oldCommitId}"
+    })
+    public R branchCommitDiff(@PathVariable("workspaceId") String workspaceId,
+                              @PathVariable("branchName") String branchName,
+                              @PathVariable("commitId") String commitId,
+                              @PathVariable(value = "oldCommitId", required = false) String oldCommitId) {
+
+        if (T.StrUtil.isEmpty(oldCommitId)) {
+            // oldCommitId 为空默认对比 parent commitId
+            oldCommitId = gitService.getParentCommitId(workspaceId, branchName, commitId);
+        }
+
+        List<Map<Object, Object>> diffList = gitService.getDiffFileListInCommits(workspaceId, commitId, oldCommitId);
+        Map<Object, Object> record = T.MapUtil.builder()
+                .put("oldBranch", branchName)
+                .put("newBranch", branchName)
+                .put("oldCommitId", oldCommitId)
+                .put("newCommitId", commitId)
+                .put("files", diffList)
+                .build();
+        return R.ok().putData("record", record);
+    }
+
     @GetMapping("/{workspaceId}/branch/{branchName}/application")
     public R listApplication(@PathVariable("workspaceId") String workspaceId,
                              @PathVariable("branchName") String branchName,
@@ -153,8 +194,52 @@ public class GitController {
         return R.ok(page);
     }
 
+    @GetMapping("/{workspaceId}/mr/{mrId}")
+    public R infoMr(@PathVariable("mrId") String mrId) {
+        ApplicationMergeEntity record = applicationMergeService.queryInfo(mrId);
+        return R.ok().putData("record", record);
+    }
+
+    @GetMapping("/{workspaceId}/mr/{mrId}/commits")
+    public R listMrCommit(@PathVariable("mrId") String mrId) {
+        List<Map<Object, Object>> records = applicationMergeService.listMrCommit(mrId);
+        return R.ok().putData("records", records);
+    }
+
+    @GetMapping("/{workspaceId}/mr/{mrId}/diffs")
+    public R mrDiff(@PathVariable("mrId") String mrId) {
+        Map<Object, Object> record = applicationMergeService.mrCommitDiff(mrId);
+        return R.ok().putData("record", record);
+    }
+
+    @GetMapping("/{workspaceId}/mr/{mrId}/conflicts")
+    public R getMrConflictList(@PathVariable("mrId") String mrId) {
+        Map<Object, Object> record = applicationMergeService.getMrConflictList(mrId);
+        return R.ok().putData("record", record);
+    }
+
+    @PostMapping("/{workspaceId}/mr/{mrId}/conflicts")
+    public R resolveMrConflicts(@PathVariable("mrId") String mrId, @RequestBody Map<String, Object> body) {
+        String commitId = T.MapUtil.getStr(body, "commitId");
+        String commitMessage = T.MapUtil.getStr(body, "commitMessage");
+        List<Map<String, String>> files = T.MapUtil.get(body, "files", List.class, new ArrayList());
+        T.VerifyUtil.is(commitId).notEmpty(RCode.PARAM_CANNOT_EMPTY)
+                .and(commitMessage).notEmpty(RCode.PARAM_CANNOT_EMPTY)
+                .and(files).notEmpty(RCode.PARAM_CANNOT_EMPTY);
+
+        for (Map<String, String> m : files) {
+            String path = T.MapUtil.getStr(m, "path");
+            String content = T.MapUtil.getStr(m, "content");
+            T.VerifyUtil.is(path).notEmpty(RCode.PARAM_CANNOT_EMPTY)
+                    .and(content).notEmpty(RCode.PARAM_CANNOT_EMPTY);
+        }
+
+        applicationMergeService.resolveMrConflicts(mrId, body);
+        return R.ok();
+    }
+
     @PostMapping("/{workspaceId}/mr")
-    public synchronized R newMr(@PathVariable("workspaceId") String workspaceId, @RequestBody ApplicationMergeEntity entity) {
+    public R newMr(@PathVariable("workspaceId") String workspaceId, @RequestBody ApplicationMergeEntity entity) {
         T.VerifyUtil.is(entity).notNull()
                 .and(entity.getTitle()).notEmpty(RCode.PARAM_CANNOT_EMPTY)
                 .and(entity.getTargetBranch()).notEmpty(RCode.PARAM_CANNOT_EMPTY)
@@ -164,6 +249,12 @@ public class GitController {
         entity.setWorkspaceId(workspaceId);
 
         ApplicationMergeEntity record = applicationMergeService.newMr(entity);
+        return R.ok().putData("record", record);
+    }
+
+    @PutMapping("/{workspaceId}/mr/{mrId}")
+    public synchronized R mergeMr(@PathVariable("mrId") String mrId) {
+        ApplicationMergeEntity record = applicationMergeService.mergeMr(mrId);
         if (T.StrUtil.equals("success", record.getStatus())) {
             return R.ok().putData("record", record);
         }

src/main/java/net/geedge/asw/module/app/service/IApplicationMergeService.java

@@ -4,12 +4,25 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
 import net.geedge.asw.module.app.entity.ApplicationMergeEntity;
 
+import java.util.List;
 import java.util.Map;
 
 public interface IApplicationMergeService extends IService<ApplicationMergeEntity> {
 
+    ApplicationMergeEntity queryInfo(String mrId);
+
     Page queryList(Map<String, Object> params);
 
     ApplicationMergeEntity newMr(ApplicationMergeEntity entity);
 
+    List<Map<Object, Object>> listMrCommit(String mrId);
+
+    Map<Object, Object> mrCommitDiff(String mrId);
+
+    Map<Object, Object> getMrConflictList(String mrId);
+
+    void resolveMrConflicts(String mrId, Map<String, Object> body);
+
+    ApplicationMergeEntity mergeMr(String mrId);
+
 }

src/main/java/net/geedge/asw/module/app/service/IGitService.java

@@ -1,7 +1,11 @@
 package net.geedge.asw.module.app.service;
 
+import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
+import org.eclipse.jgit.dircache.DirCache;
+import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Repository;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
@@ -13,11 +17,21 @@ public interface IGitService {
 
     List<Map<Object, Object>> listBranch(String workspaceId, String search);
 
-    Map<Object, Object> infoBranch(String workspaceId, String branchName);
+    Map<Object, Object> infoBranch(String workspaceId, String branch);
 
-    Map<Object, Object> newBranch(String workspaceId, String branchName, String ref);
+    Map<Object, Object> newBranch(String workspaceId, String branch, String ref);
 
-    void deleteBranch(String workspaceId, String branchName);
+    void deleteBranch(String workspaceId, String branch);
+
+    List<Map<Object, Object>> listBranchCommit(String workspaceId, String branch, String path);
+
+    String getParentCommitId(String workspaceId, String branch, String commitId);
+
+    String getLatestCommitId(String workspaceId, String branch);
+
+    List<Map<Object, Object>> getDiffFileListInCommits(String workspaceId, String commitId, String oldCommitId);
+
+    List<Map<Object, Object>> getDiffFileListInBranches(String workspaceId, String srcBranch, String tgtBranch);
 
     String mergeBranch(String workspaceId, String sourceBranch, String targetBranch, String message) throws RuntimeException;
 
@@ -35,4 +49,14 @@ public interface IGitService {
 
     Map<Object, Object> infoApplicationFileContent(String workspaceId, String branch, String applicationName, String commitId, String file);
 
+    List<Map<Object, Object>> listCommitAfterMergeBase(String workspaceId, String srcBranch, String tgtBranch);
+
+    List<String> getConflictFilePathInBranches(String workspaceId, String srcBranch, String tgtBranch);
+
+    List<Map<Object, Object>> getConflictFileInfoInBranches(String workspaceId, String srcBranch, String tgtBranch);
+
+    void resolveMrConflicts(String workspaceId, String srcBranch, String tgtBranch, String commitId, String commitMessage, List<Map<String, String>> files);
+
+    boolean commitIndex(Repository repo, String branch, DirCache index, ObjectId parentId1, ObjectId parentId2, String message) throws IOException, ConcurrentRefUpdateException;
+
 }

src/main/java/net/geedge/asw/module/app/service/impl/ApplicationMergeServiceImpl.java

@@ -2,9 +2,11 @@ package net.geedge.asw.module.app.service.impl;
 
 import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.log.Log;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import net.geedge.asw.common.config.Query;
+import net.geedge.asw.common.util.RCode;
 import net.geedge.asw.common.util.T;
 import net.geedge.asw.module.app.dao.ApplicationMergeDao;
 import net.geedge.asw.module.app.entity.ApplicationMergeEntity;
@@ -15,6 +17,7 @@ import net.geedge.asw.module.sys.service.ISysUserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
@@ -29,6 +32,25 @@ public class ApplicationMergeServiceImpl extends ServiceImpl<ApplicationMergeDao
     @Autowired
     private ISysUserService userService;
 
+    @Override
+    public ApplicationMergeEntity queryInfo(String mrId) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
+        String commitId = entity.getCommitId();
+        if (T.StrUtil.isNotEmpty(commitId)) {
+            try {
+                Map<Object, Object> infoCommit = gitService.infoCommit(entity.getWorkspaceId(), commitId);
+                entity.setCommit(infoCommit);
+            } catch (Exception e) {
+            }
+        }
+
+        SysUserEntity user = userService.getById(entity.getCreateUserId());
+        entity.setCreateUser(user);
+        return entity;
+    }
+
     @Override
     public Page queryList(Map<String, Object> params) {
         Page page = new Query(ApplicationMergeEntity.class).getPage(params);
@@ -51,23 +73,155 @@ public class ApplicationMergeServiceImpl extends ServiceImpl<ApplicationMergeDao
 
     @Override
     public ApplicationMergeEntity newMr(ApplicationMergeEntity entity) {
+        entity.setCreateTimestamp(System.currentTimeMillis());
+        entity.setCreateUserId(StpUtil.getLoginIdAsString());
+
+        // save
+        this.save(entity);
+
+        SysUserEntity user = userService.getById(entity.getCreateUserId());
+        entity.setCreateUser(user);
+        return entity;
+    }
+
+    @Override
+    public List<Map<Object, Object>> listMrCommit(String mrId) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
+        String workspaceId = entity.getWorkspaceId();
+        String sourceBranch = entity.getSourceBranch();
+        String targetBranch = entity.getTargetBranch();
+
+        // 获取 sourceBranch targetBranch 共同祖先之后, sourceBranch 的提交记录
+        List<Map<Object, Object>> listCommitAfterMergeBase = gitService.listCommitAfterMergeBase(workspaceId, sourceBranch, targetBranch);
+        return listCommitAfterMergeBase;
+    }
+
+    @Override
+    public Map<Object, Object> mrCommitDiff(String mrId) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
+        String workspaceId = entity.getWorkspaceId();
+        String sourceBranch = entity.getSourceBranch();
+        String targetBranch = entity.getTargetBranch();
+
+        // 获取 sourceBranch,targetBranch 合并冲突文件
+        List<String> conflictFileList = gitService.getConflictFilePathInBranches(workspaceId, sourceBranch, targetBranch);
+
+
+        // 获取 sourceBranch,targetBranch 文件差异
+        String commitA = gitService.getLatestCommitId(workspaceId, sourceBranch);
+        String commitB = gitService.getLatestCommitId(workspaceId, targetBranch);
+
+        List<Map<Object, Object>> diffFileListInCommits = gitService.getDiffFileListInCommits(workspaceId, commitA, commitB);
+        diffFileListInCommits.parallelStream()
+                .forEach(m -> {
+                    T.MapUtil.renameKey(m, "oldContent", "sourceContent");
+                    T.MapUtil.renameKey(m, "newContent", "targetContent");
+
+                    String path = T.MapUtil.getStr(m, "path");
+                    m.put("conflict", false);
+                    if (conflictFileList.contains(path)) {
+                        m.put("conflict", true);
+                    }
+                });
+
+        Map<Object, Object> m = T.MapUtil.builder()
+                .put("sourceBranch", sourceBranch)
+                .put("targetBranch", targetBranch)
+                .put("sourceCommitId", commitA)
+                .put("targetCommitId", commitB)
+                .put("files", diffFileListInCommits)
+                .build();
+        return m;
+    }
+
+    @Override
+    public Map<Object, Object> getMrConflictList(String mrId) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
+        String workspaceId = entity.getWorkspaceId();
+        String sourceBranch = entity.getSourceBranch();
+        String targetBranch = entity.getTargetBranch();
+
+        List<Map<Object, Object>> conflictFileInfoInBranches = gitService.getConflictFileInfoInBranches(workspaceId, sourceBranch, targetBranch);
+        if (T.CollUtil.isNotEmpty(conflictFileInfoInBranches)) {
+            // srcBranch->tgtBranch  有冲突，先从 tgtBranch merge 到 srcBranch，在 srcBranch 处理后再合并，参考 gitlab
+            StringBuilder commitMessage = new StringBuilder();
+            commitMessage.append("Merge branch '").append(targetBranch).append("' into '").append(sourceBranch).append("'\n\n");
+            commitMessage.append("# Conflicts:\n");
+            for (Map<Object, Object> map : conflictFileInfoInBranches) {
+                String path = T.MapUtil.getStr(map, "path");
+                commitMessage.append("#   ").append(path).append("\n");
+            }
+
+            String parentId = gitService.getLatestCommitId(workspaceId, sourceBranch);
+            Map<Object, Object> m = T.MapUtil.builder()
+                    .put("sourceBranch", sourceBranch)
+                    .put("targetBranch", targetBranch)
+                    .put("commitId", parentId)
+                    .put("commitMessage", commitMessage.toString())
+                    .put("files", conflictFileInfoInBranches)
+                    .build();
+            return m;
+        }
+
+        return T.MapUtil.builder()
+                .put("sourceBranch", sourceBranch)
+                .put("targetBranch", targetBranch)
+                .put("commitId", null)
+                .put("commitMessage", null)
+                .put("files", conflictFileInfoInBranches)
+                .build();
+    }
+
+    /**
+     * resolve mr conflicts
+     *
+     * @param mrId
+     * @param body
+     */
+    @Override
+    public void resolveMrConflicts(String mrId, Map<String, Object> body) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
+        String workspaceId = entity.getWorkspaceId();
+        String sourceBranch = entity.getSourceBranch();
+        String targetBranch = entity.getTargetBranch();
+
+        String commitId = T.MapUtil.getStr(body, "commitId");
+        String commitMessage = T.MapUtil.getStr(body, "commitMessage");
+        List<Map<String, String>> files = T.MapUtil.get(body, "files", List.class, new ArrayList());
+
+        gitService.resolveMrConflicts(workspaceId, sourceBranch, targetBranch, commitId, commitMessage, files);
+    }
+
+    /**
+     * merge operation
+     *
+     * @param mrId
+     * @return
+     */
+    @Override
+    public ApplicationMergeEntity mergeMr(String mrId) {
+        ApplicationMergeEntity entity = this.getById(mrId);
+        T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
+
         String srcBranch = entity.getSourceBranch();
         String tgtBranch = entity.getTargetBranch();
 
         String message = entity.getTitle();
         String workspaceId = entity.getWorkspaceId();
 
-        entity.setCreateTimestamp(System.currentTimeMillis());
-        entity.setCreateUserId(StpUtil.getLoginIdAsString());
-
         // merge
         try {
             String commitId = gitService.mergeBranch(workspaceId, srcBranch, tgtBranch, message);
             entity.setCommitId(commitId);
             entity.setStatus("success");
-
-            Map<Object, Object> infoCommit = gitService.infoCommit(workspaceId, commitId);
-            entity.setCommit(infoCommit);
         } catch (Exception e) {
             log.error(e, "[newMr] [merge error] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}] [msg: {}]", workspaceId, srcBranch, tgtBranch, e.getMessage());
             entity.setCommitId("");
@@ -85,12 +239,13 @@ public class ApplicationMergeServiceImpl extends ServiceImpl<ApplicationMergeDao
             }
         }
 
-        // save
-        this.save(entity);
-
-        SysUserEntity user = userService.getById(entity.getCreateUserId());
-        entity.setCreateUser(user);
-
+        // update
+        this.update(new LambdaUpdateWrapper<ApplicationMergeEntity>()
+                .eq(ApplicationMergeEntity::getId, mrId)
+                .set(ApplicationMergeEntity::getCommitId, entity.getCommitId())
+                .set(ApplicationMergeEntity::getStatus, entity.getStatus())
+                .set(ApplicationMergeEntity::getMessage, entity.getMessage())
+        );
         return entity;
     }
 

src/main/java/net/geedge/asw/module/app/service/impl/GitServiceImpl.java

@@ -12,19 +12,24 @@ import net.geedge.asw.module.sys.service.ISysUserService;
 import net.geedge.asw.module.workspace.entity.WorkspaceEntity;
 import net.geedge.asw.module.workspace.service.IWorkspaceService;
 import org.apache.commons.io.FilenameUtils;
-import org.eclipse.jgit.api.CreateBranchCommand;
-import org.eclipse.jgit.api.Git;
-import org.eclipse.jgit.api.MergeCommand;
-import org.eclipse.jgit.api.MergeResult;
+import org.eclipse.jgit.api.*;
+import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
 import org.eclipse.jgit.api.errors.GitAPIException;
-import org.eclipse.jgit.diff.DiffEntry;
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.diff.*;
 import org.eclipse.jgit.dircache.DirCache;
 import org.eclipse.jgit.dircache.DirCacheBuilder;
 import org.eclipse.jgit.dircache.DirCacheEntry;
+import org.eclipse.jgit.internal.JGitText;
 import org.eclipse.jgit.lib.*;
+import org.eclipse.jgit.merge.MergeFormatter;
 import org.eclipse.jgit.merge.MergeStrategy;
+import org.eclipse.jgit.merge.RecursiveMerger;
+import org.eclipse.jgit.merge.ThreeWayMerger;
 import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevSort;
 import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.revwalk.filter.RevFilter;
 import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
 import org.eclipse.jgit.transport.PushResult;
 import org.eclipse.jgit.transport.RemoteRefUpdate;
@@ -36,8 +41,11 @@ import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.text.MessageFormat;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
@@ -213,6 +221,8 @@ public class GitServiceImpl implements IGitService {
 
                 resultList.add(m);
             }
+            revCommits.close();
+            revCommits.dispose();
         } catch (GitAPIException | IOException e) {
             log.error(e, "[listBranch] [error] [workspaceId: {}]", workspaceId);
             throw new ASWException(RCode.ERROR);
@@ -259,6 +269,198 @@ public class GitServiceImpl implements IGitService {
         }
     }
 
+    @Override
+    public List<Map<Object, Object>> listBranchCommit(String workspaceId, String branch, String path) {
+        List<Map<Object, Object>> resultList = T.ListUtil.list(true);
+        try (Git git = this.getGitInstance(workspaceId)) {
+            ObjectId branchRef = git.getRepository().resolve(branch);
+            LogCommand command = git.log().add(branchRef);
+            if (T.StrUtil.isNotEmpty(path)) {
+                command.addPath(path);
+            }
+
+            Iterable<RevCommit> iterable = command.call();
+            for (RevCommit commit : iterable) {
+                resultList.add(this.buildAswCommitInfo(commit));
+            }
+        } catch (GitAPIException | IOException e) {
+            log.error(e, "[listBranchCommit] [error] [workspaceId: {}] [branch: {}] [path: {}]", workspaceId, branch, path);
+            throw new RuntimeException(e);
+        }
+        return resultList;
+    }
+
+    @Override
+    public String getParentCommitId(String workspaceId, String branch, String commitId) {
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);) {
+
+            Ref branchRef = repository.findRef(branch);
+            revWalk.markStart(revWalk.parseCommit(branchRef.getObjectId()));
+
+            String parentCommitId = null;
+            Iterator<RevCommit> iterator = revWalk.iterator();
+            while (iterator.hasNext()) {
+                RevCommit currentCommit = iterator.next();
+                if (currentCommit.getId().getName().equals(commitId)) {
+                    if (iterator.hasNext()) {
+                        parentCommitId = iterator.next().getName();
+                    }
+                    break;
+                }
+            }
+
+            if (T.StrUtil.isEmpty(parentCommitId)) {
+                throw new ASWException(RCode.GIT_PARENT_COMMITID_NOT_FOUND);
+            }
+            return parentCommitId;
+        } catch (IOException e) {
+            log.error(e, "[getParentCommitId] [error] [workspaceId: {}] [branch: {}] [commitId: {}]", workspaceId, branch, commitId);
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public String getLatestCommitId(String workspaceId, String branch) {
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);) {
+            RevCommit commit = revWalk.parseCommit(repository.resolve(branch));
+            return commit.getName();
+        } catch (IOException e) {
+            log.error(e, "[getLatestCommitId] [error] [workspaceId: {}] [branch: {}]", workspaceId, branch);
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 获取 commitIdA -> commitIdB 文件差异
+     *
+     * @param workspaceId
+     * @param commitIdA
+     * @param commitIdB
+     * @return
+     */
+    @Override
+    public List<Map<Object, Object>> getDiffFileListInCommits(String workspaceId, String commitIdA, String commitIdB) {
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);
+             DiffFormatter diffFormatter = new DiffFormatter(null)) {
+
+            CanonicalTreeParser oldTree = new CanonicalTreeParser();
+            oldTree.reset(repository.newObjectReader(), revWalk.parseCommit(repository.resolve(commitIdB)).getTree());
+
+            CanonicalTreeParser newTree = new CanonicalTreeParser();
+            newTree.reset(repository.newObjectReader(), revWalk.parseCommit(repository.resolve(commitIdA)).getTree());
+
+            // diff
+            List<Map<Object, Object>> files = T.ListUtil.list(true);
+
+            diffFormatter.setRepository(repository);
+            diffFormatter.setDiffComparator(RawTextComparator.DEFAULT);
+            diffFormatter.setDetectRenames(true);
+
+            List<DiffEntry> diffs = diffFormatter.scan(oldTree, newTree);
+            for (DiffEntry diff : diffs) {
+                int addedLines = 0;
+                int deletedLines = 0;
+                EditList edits = diffFormatter.toFileHeader(diff).toEditList();
+                for (Edit edit : edits) {
+                    switch (edit.getType()) {
+                        case INSERT:
+                            addedLines += edit.getLengthB();
+                            break;
+                        case DELETE:
+                            deletedLines += edit.getLengthA();
+                            break;
+                        case REPLACE:
+                            addedLines += edit.getLengthB();
+                            deletedLines += edit.getLengthA();
+                            break;
+                        default:
+                            break;
+                    }
+                }
+
+                String path = null, encoding = null, oldContent = null, newContent = null;
+                switch (diff.getChangeType()) {
+                    case ADD: {
+                        path = diff.getNewPath();
+                        Map<Object, Object> fileContent = this.getFileContent(repository, path, diff.getNewId().toObjectId());
+                        encoding = T.MapUtil.getStr(fileContent, "encoding", "");
+                        newContent = T.MapUtil.getStr(fileContent, "content", "");
+                        break;
+                    }
+                    case DELETE: {
+                        path = diff.getOldPath();
+                        Map<Object, Object> fileContent = this.getFileContent(repository, path, diff.getOldId().toObjectId());
+                        encoding = T.MapUtil.getStr(fileContent, "encoding", "");
+                        oldContent = T.MapUtil.getStr(fileContent, "content", "");
+                        break;
+                    }
+                    case MODIFY: {
+                        path = diff.getOldPath();
+                        Map<Object, Object> fileContent = this.getFileContent(repository, path, diff.getOldId().toObjectId());
+                        oldContent = T.MapUtil.getStr(fileContent, "content", "");
+
+                        Map<Object, Object> fileContent1 = this.getFileContent(repository, path, diff.getNewId().toObjectId());
+                        encoding = T.MapUtil.getStr(fileContent1, "encoding", "");
+                        newContent = T.MapUtil.getStr(fileContent1, "content", "");
+                        break;
+                    }
+                    default:
+                        break;
+                }
+                files.add(
+                        T.MapUtil.builder()
+                                .put("path", path)
+                                .put("addedLines", (addedLines == 0 ? 0 : ++addedLines))
+                                .put("removedLines", (deletedLines == 0 ? 0 : ++deletedLines))
+                                .put("encoding", encoding)
+                                .put("oldContent", oldContent)
+                                .put("newContent", newContent)
+                                .build()
+                );
+            }
+            return files;
+        } catch (IOException e) {
+            log.error(e, "[getDiffFileListInCommits] [error] [workspaceId: {}] [commitId: {}] [oldCommitId: {}]", workspaceId, commitIdA, commitIdB);
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 获取 branchA -> branchB 文件差异
+     *
+     * @param workspaceId
+     * @param branchA
+     * @param branchB
+     * @return
+     */
+    @Override
+    public List<Map<Object, Object>> getDiffFileListInBranches(String workspaceId, String branchA, String branchB) {
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);) {
+
+            RevCommit commitA = revWalk.parseCommit(repository.resolve(branchA));
+            RevCommit commitB = revWalk.parseCommit(repository.resolve(branchB));
+
+            List<Map<Object, Object>> diffFileListInCommits = this.getDiffFileListInCommits(workspaceId, commitA.getName(), commitB.getName());
+            diffFileListInCommits.parallelStream()
+                    .forEach(m -> {
+                        T.MapUtil.renameKey(m, "oldContent", "sourceContent");
+                        T.MapUtil.renameKey(m, "newContent", "targetContent");
+                    });
+            return diffFileListInCommits;
+        } catch (IOException e) {
+            log.error(e, "[getDiffFileListInBranches] [error]");
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public String mergeBranch(String workspaceId, String srcBranch, String tgtBranch, String message) throws RuntimeException {
         log.info("[mergeBranch] [begin] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}]", workspaceId, srcBranch, tgtBranch);
@@ -458,15 +660,8 @@ public class GitServiceImpl implements IGitService {
                             .put("path", treeWalk.getPathString())
                             .build();
 
-                    ObjectLoader loader = repository.open(treeWalk.getObjectId(0));
-                    if (this.isBinary(treeWalk.getNameString())) {
-                        String content = Base64.getEncoder().encodeToString(loader.getBytes());
-                        m.put("encoding", "base64");
-                        m.put("content", content);
-                    } else {
-                        m.put("encoding", "");
-                        m.put("content", T.StrUtil.utf8Str(loader.getBytes()));
-                    }
+                    Map<Object, Object> fileContent = this.getFileContent(repository, treeWalk.getPathString(), treeWalk.getObjectId(0));
+                    m.putAll(fileContent);
 
                     // lastCommitId
                     Iterable<RevCommit> iterable = git.log()
@@ -551,7 +746,7 @@ public class GitServiceImpl implements IGitService {
                 String message = String.format("feat: add %s application", applicationName);
                 this.createCommit(repository, branch, newTreeId, message);
             }
-        } catch (IOException e) {
+        } catch (IOException | ConcurrentRefUpdateException e) {
             log.error(e, "[newApplication] [error] [workspaceId: {}] [branch: {}] [application: {}]", workspaceId, branch, applicationName);
             throw new ASWException(RCode.ERROR);
         }
@@ -590,7 +785,7 @@ public class GitServiceImpl implements IGitService {
                 String message = String.format("refactor: remove %s application", applicationName);
                 this.createCommit(repository, branch, newTreeId, message);
             }
-        } catch (IOException e) {
+        } catch (IOException | ConcurrentRefUpdateException e) {
             log.error(e, "[deleteApplication] [error] [workspaceId: {}] [branch: {}] [application: {}]", workspaceId, branch, applicationName);
             throw new ASWException(RCode.ERROR);
         }
@@ -729,7 +924,7 @@ public class GitServiceImpl implements IGitService {
                 .put("path", path)
                 .build();
 
-        try (Git git = getGitInstance(workspaceId)) {
+        try (Git git = this.getGitInstance(workspaceId)) {
             Repository repository = git.getRepository();
 
             try (TreeWalk treeWalk = new TreeWalk(repository);
@@ -743,15 +938,8 @@ public class GitServiceImpl implements IGitService {
 
                 while (treeWalk.next()) {
                     if (T.StrUtil.equals(path, treeWalk.getPathString())) {
-                        ObjectLoader loader = repository.open(treeWalk.getObjectId(0));
-                        if (this.isBinary(treeWalk.getNameString())) {
-                            String content = Base64.getEncoder().encodeToString(loader.getBytes());
-                            result.put("encoding", "base64");
-                            result.put("content", content);
-                        } else {
-                            result.put("encoding", "");
-                            result.put("content", T.StrUtil.utf8Str(loader.getBytes()));
-                        }
+                        Map<Object, Object> fileContent = this.getFileContent(repository, treeWalk.getPathString(), treeWalk.getObjectId(0));
+                        result.putAll(fileContent);
                     }
                 }
             }
@@ -762,6 +950,419 @@ public class GitServiceImpl implements IGitService {
         return result;
     }
 
+    /**
+     * 获取 srcBranch tgtBranch 共同祖先之后, srcBranch 的提交记录
+     *
+     * @param workspaceId
+     * @param srcBranch
+     * @param tgtBranch
+     * @return
+     */
+    @Override
+    public List<Map<Object, Object>> listCommitAfterMergeBase(String workspaceId, String srcBranch, String tgtBranch) {
+        log.info("[listCommitAfterMergeBase] [begin] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}]", workspaceId, srcBranch, tgtBranch);
+        List<Map<Object, Object>> commitList = T.ListUtil.list(true);
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();) {
+            ObjectId branch1Id = repository.resolve(srcBranch);
+            ObjectId branch2Id = repository.resolve(tgtBranch);
+
+            // Find the merge base
+            String mergeBaseId = this.getMergeBase(repository, branch1Id, branch2Id);
+            log.info("[listCommitAfterMergeBase] [mergeBase: {}]", mergeBaseId);
+            if (T.StrUtil.isEmpty(mergeBaseId)) {
+                return commitList;
+            }
+
+            // Walk branch1's commits since the merge base
+            try (RevWalk revWalk = new RevWalk(repository)) {
+                revWalk.sort(RevSort.TOPO);
+
+                RevCommit mergeBase = revWalk.parseCommit(ObjectId.fromString(mergeBaseId));
+                revWalk.markStart(revWalk.parseCommit(branch1Id));
+                revWalk.markUninteresting(mergeBase);
+
+                for (RevCommit commit : revWalk) {
+                    commitList.add(this.buildAswCommitInfo(commit));
+
+                    List<String> parentIds = Arrays.stream(commit.getParents()).map(RevCommit::getName).collect(Collectors.toList());
+                    if (parentIds.contains(mergeBaseId)) {
+                        break;
+                    }
+                }
+            }
+        } catch (IOException e) {
+            log.error(e, "[listCommitAfterMergeBase] [error]");
+            throw new RuntimeException(e.getMessage());
+        } finally {
+            log.info("[listCommitAfterMergeBase] [finshed] [workspaceId: {}] [commits size: {}]", workspaceId, commitList.size());
+        }
+        return commitList;
+    }
+
+    /**
+     * 获取 srcBranch -> tgtBranch 冲突文件路径
+     * srcBranch 合并到 tgtBranch
+     *
+     * @param workspaceId
+     * @param srcBranch
+     * @param tgtBranch
+     */
+    @Override
+    public List<String> getConflictFilePathInBranches(String workspaceId, String srcBranch, String tgtBranch) {
+        log.info("[getConflictFileListInBranches] [begin] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}]", workspaceId, srcBranch, tgtBranch);
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);) {
+
+            RevCommit commitA = revWalk.parseCommit(repository.resolve(srcBranch));
+            RevCommit commitB = revWalk.parseCommit(repository.resolve(tgtBranch));
+
+            // Find the merge base
+            String mergeBaseId = this.getMergeBase(repository, commitA, commitB);
+            log.info("[getConflictFileListInBranches] [mergeBase: {}]", mergeBaseId);
+
+            RevCommit mergeBase = revWalk.parseCommit(repository.resolve(mergeBaseId));
+
+            ThreeWayMerger threeWayMerger = (ThreeWayMerger) MergeStrategy.RECURSIVE.newMerger(repository, true);
+            threeWayMerger.setBase(mergeBase);
+
+            boolean isOk = threeWayMerger.merge(commitA, commitB);
+            log.info("[getConflictFileListInBranches] [merge result] [isOk: {}]", isOk);
+            if (!isOk) {
+                List<String> unmergedPaths = ((RecursiveMerger) threeWayMerger).getUnmergedPaths();
+                return unmergedPaths;
+            }
+            return T.ListUtil.empty();
+        } catch (IOException e) {
+            log.error(e, "[getConflictFileListInBranches] [error]");
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 三路对比 srcBranch，tgtBranch，返回冲突文件详情
+     *
+     * @param workspaceId
+     * @param srcBranch
+     * @param tgtBranch
+     * @return
+     */
+    @Override
+    public List<Map<Object, Object>> getConflictFileInfoInBranches(String workspaceId, String srcBranch, String tgtBranch) {
+        log.info("[getConflictFileInfoInBranches] [begin] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}]", workspaceId, srcBranch, tgtBranch);
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             RevWalk revWalk = new RevWalk(repository);) {
+
+            RevCommit commitA = revWalk.parseCommit(repository.resolve(srcBranch));
+            RevCommit commitB = revWalk.parseCommit(repository.resolve(tgtBranch));
+
+            // Find the merge base
+            String mergeBaseId = this.getMergeBase(repository, commitA, commitB);
+            log.info("[getConflictFileInfoInBranches] [mergeBase: {}]", mergeBaseId);
+
+            RevCommit mergeBase = revWalk.parseCommit(repository.resolve(mergeBaseId));
+
+            ThreeWayMerger threeWayMerger = (ThreeWayMerger) MergeStrategy.RECURSIVE.newMerger(repository, true);
+            threeWayMerger.setBase(mergeBase);
+
+            boolean isOk = threeWayMerger.merge(commitA, commitB);
+            log.info("[getConflictFileInfoInBranches] [merge result] [isOk: {}]", isOk);
+
+            if (!isOk) {
+                List<Map<Object, Object>> files = T.ListUtil.list(true);
+
+                Map<String, org.eclipse.jgit.merge.MergeResult<? extends Sequence>> mergeResults = ((RecursiveMerger) threeWayMerger).getMergeResults();
+                for (Map.Entry<String, org.eclipse.jgit.merge.MergeResult<? extends Sequence>> entry : mergeResults.entrySet()) {
+                    String unmergedPath = entry.getKey();
+                    // 暂不支持处理二进制文件冲突
+                    if (this.isBinary(T.FileNameUtil.getName(unmergedPath))) {
+                        throw new ASWException(RCode.GIT_BINARY_CONFLICT_ERROR);
+                    }
+
+                    org.eclipse.jgit.merge.MergeResult<? extends Sequence> mergeResult = entry.getValue();
+                    try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
+                        MergeFormatter formatter = new MergeFormatter();
+
+                        String oursName = unmergedPath;
+                        String theirsName = unmergedPath;
+                        formatter.formatMerge(outputStream, mergeResult, mergeBaseId, oursName, theirsName, StandardCharsets.UTF_8);
+                        files.add(
+                                T.MapUtil.builder()
+                                        .put("path", unmergedPath)
+                                        .put("content", outputStream.toString(StandardCharsets.UTF_8.name()))
+                                        .put("conflict", true)
+                                        .build()
+                        );
+                    }
+                }
+                return files;
+            }
+            return T.ListUtil.empty();
+        } catch (IOException e) {
+            log.error(e, "[getConflictFileInfoInBranches] [error]");
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 将 file object 添加到 objectDatabases,也就是 ./objects 目录下
+     *
+     * @param repository
+     * @param data
+     * @return
+     * @throws IOException
+     */
+    private ObjectId insertBlobFileToDatabase(Repository repository, byte[] data) throws IOException {
+        try (ObjectInserter inserter = repository.getObjectDatabase().newInserter()) {
+            ObjectId blobId = inserter.insert(Constants.OBJ_BLOB, data);
+            inserter.flush();
+            return blobId;
+        }
+    }
+
+    /**
+     * 根据 path,objectId 读取文件内容
+     * 响应 Map,key=encoding,content
+     *
+     * @param repository
+     * @param path
+     * @param objectId
+     * @return
+     * @throws IOException
+     */
+    private Map<Object, Object> getFileContent(Repository repository, String path, ObjectId objectId) throws IOException {
+        String encoding = null, content = null;
+
+        ObjectLoader loader = repository.open(objectId);
+        if (this.isBinary(T.FileNameUtil.getName(path))) {
+            encoding = "base64";
+            content = Base64.getEncoder().encodeToString(loader.getBytes());
+        } else {
+            content = T.StrUtil.utf8Str(loader.getBytes());
+        }
+        return T.MapUtil.builder()
+                .put("encoding", encoding)
+                .put("content", content)
+                .build();
+    }
+
+    /**
+     * Returns the merge base of two commits or null if there is no common ancestry.
+     * 返回两个提交的合并基础，如果没有共同祖先，则返回 null。
+     *
+     * @param repository
+     * @param commitIdA
+     * @param commitIdB
+     * @return the commit id of the merge base or null if there is no common base
+     */
+    public String getMergeBase(Repository repository, ObjectId commitIdA, ObjectId commitIdB) {
+        try (RevWalk rw = new RevWalk(repository)) {
+            RevCommit a = rw.lookupCommit(commitIdA);
+            RevCommit b = rw.lookupCommit(commitIdB);
+
+            rw.setRevFilter(RevFilter.MERGE_BASE);
+            rw.markStart(a);
+            rw.markStart(b);
+            RevCommit mergeBase = rw.next();
+            if (mergeBase == null) {
+                return null;
+            }
+            return mergeBase.getName();
+        } catch (Exception e) {
+            log.error(e, "Failed to determine merge base");
+        }
+        return null;
+    }
+
+    /**
+     * 解决冲突提交到 srcBranch
+     * 提交指定 srcBranch，tgtBranch 最新 commitId,像 merge commit 一样
+     *
+     * @param workspaceId
+     * @param srcBranch
+     * @param tgtBranch
+     * @param commitId
+     * @param commitMessage
+     * @param files
+     */
+    @Override
+    public void resolveMrConflicts(String workspaceId, String srcBranch, String tgtBranch, String commitId, String commitMessage, List<Map<String, String>> files) {
+        try (Git git = this.getGitInstance(workspaceId);
+             Repository repository = git.getRepository();
+             TreeWalk treeWalk = new TreeWalk(repository);
+             RevWalk revWalk = new RevWalk(repository)) {
+
+            ObjectId srcBranchLatestCommitId = repository.resolve(srcBranch);
+
+            // branch tree
+            treeWalk.addTree(revWalk.parseTree(srcBranchLatestCommitId));
+            treeWalk.setRecursive(true);
+
+            DirCache newTree = DirCache.newInCore();
+            DirCacheBuilder newTreeBuilder = newTree.builder();
+
+            List<String> updateFilePath = files.stream().map(map -> T.MapUtil.getStr(map, "path")).collect(Collectors.toList());
+            while (treeWalk.next()) {
+                String pathString = treeWalk.getPathString();
+                // 先删
+                if (!updateFilePath.contains(pathString)) {
+                    DirCacheEntry entry = new DirCacheEntry(pathString);
+                    entry.setFileMode(treeWalk.getFileMode(0));
+                    entry.setObjectId(treeWalk.getObjectId(0));
+                    newTreeBuilder.add(entry);
+                }
+            }
+            // 后增
+            for (Map<String, String> map : files) {
+                String path = T.MapUtil.getStr(map, "path");
+                DirCacheEntry dirCacheEntry = new DirCacheEntry(path);
+                dirCacheEntry.setFileMode(FileMode.REGULAR_FILE);
+
+                String content = T.MapUtil.getStr(map, "content");
+                ObjectId objectId = this.insertBlobFileToDatabase(repository, content.getBytes());
+                dirCacheEntry.setObjectId(objectId);
+                newTreeBuilder.add(dirCacheEntry);
+            }
+            newTreeBuilder.finish();
+
+            // merge commit
+            ObjectId parentId1 = ObjectId.fromString(commitId);
+            RevCommit revCommit = revWalk.parseCommit(repository.resolve(tgtBranch));
+            ObjectId parentId2 = revCommit.getId();
+
+            boolean success = this.commitIndex(repository, srcBranch, newTree, parentId1, parentId2, commitMessage);
+            log.info("[resolveMrConflicts] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}] [commitId: {}] [success: {}]", workspaceId, srcBranch, tgtBranch, commitId, success);
+        } catch (IOException | ConcurrentRefUpdateException e) {
+            log.error(e, "[resolveMrConflicts] [error] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}] [commitId: {}]", workspaceId, srcBranch, tgtBranch, commitId);
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * commit
+     *
+     * @param repo
+     * @param branch
+     * @param treeId
+     * @param message
+     * @throws IOException
+     */
+    public void createCommit(Repository repo, String branch, ObjectId treeId, String message) throws IOException, ConcurrentRefUpdateException {
+        try (ObjectInserter inserter = repo.getObjectDatabase().newInserter();
+             RevWalk revWalk = new RevWalk(repo);) {
+
+            CommitBuilder builder = new CommitBuilder();
+            builder.setTreeId(treeId);
+            builder.setMessage(message);
+
+            ObjectId branchRef = repo.resolve(branch);
+            if (null != branchRef) {
+                RevCommit parentId = revWalk.parseCommit(branchRef);
+                builder.setParentId(parentId);
+            }
+
+            SysUserEntity loginUserEntity = userService.getById(StpUtil.getLoginIdAsString());
+            builder.setAuthor(new PersonIdent(loginUserEntity.getName(), "asw@geedgenetworks.com"));
+            builder.setCommitter(new PersonIdent(loginUserEntity.getName(), "asw@geedgenetworks.com"));
+
+            // 插入新的提交对象
+            ObjectId commitId = inserter.insert(builder);
+            inserter.flush();
+
+            // 更新 branch 指向新的提交
+            RefUpdate ru = null;
+            RefUpdate.Result rc = null;
+            if (null != branchRef) {
+                ru = repo.updateRef(T.StrUtil.concat(true, LOCAL_BRANCH_PREFIX, branch));
+                ru.setNewObjectId(commitId);
+                rc = ru.update();
+            } else {
+                ru = repo.updateRef(Constants.HEAD);
+                ru.setNewObjectId(commitId);
+                rc = ru.update();
+            }
+            switch (rc) {
+                case NEW:
+                case FORCED:
+                case FAST_FORWARD:
+                    break;
+                case REJECTED:
+                case LOCK_FAILURE:
+                    throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc);
+                default:
+                    throw new JGitInternalException(MessageFormat.format(
+                            JGitText.get().updatingRefFailed, branch, commitId.toString(),
+                            rc));
+            }
+        }
+    }
+
+    /**
+     * commit index
+     *
+     * @param repo
+     * @param branch
+     * @param index
+     * @param parentId1
+     * @param parentId2
+     * @param message
+     * @return
+     * @throws IOException
+     * @throws ConcurrentRefUpdateException
+     */
+    public boolean commitIndex(Repository repo, String branch, DirCache index, ObjectId parentId1, ObjectId parentId2, String message) throws IOException, ConcurrentRefUpdateException {
+        boolean success = false;
+        try (ObjectInserter odi = repo.newObjectInserter()) {
+
+            // new index
+            ObjectId indexTreeId = index.writeTree(odi);
+
+            // PersonIdent
+            SysUserEntity loginUserEntity = userService.getById(StpUtil.getLoginIdAsString());
+            PersonIdent ident = new PersonIdent(loginUserEntity.getName(), "asw@geedgenetworks.com");
+
+            CommitBuilder commit = new CommitBuilder();
+            commit.setAuthor(ident);
+            commit.setCommitter(ident);
+
+            if (null != parentId1 && null == parentId2) {
+                commit.setParentId(parentId1);
+            }
+            if (null != parentId1 && null != parentId2) {
+                commit.setParentIds(parentId1, parentId2);
+            }
+
+            commit.setTreeId(indexTreeId);
+            commit.setMessage(message);
+
+
+            // insert the commit into the repository
+            ObjectId commitId = odi.insert(commit);
+            odi.flush();
+
+            RefUpdate ru = repo.updateRef(T.StrUtil.concat(true, LOCAL_BRANCH_PREFIX, branch));
+            ru.setNewObjectId(commitId);
+            RefUpdate.Result rc = ru.update();
+            switch (rc) {
+                case NEW:
+                case FORCED:
+                case FAST_FORWARD:
+                    success = true;
+                    break;
+                case REJECTED:
+                case LOCK_FAILURE:
+                    throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc);
+                default:
+                    throw new JGitInternalException(MessageFormat.format(
+                            JGitText.get().updatingRefFailed, branch, commitId.toString(),
+                            rc));
+            }
+        }
+        return success;
+    }
+
     /**
      * build asw commit info
      *
@@ -796,64 +1397,4 @@ public class GitServiceImpl implements IGitService {
         return m;
     }
 
-    /**
-     * 将 file object 添加到 objectDatabases,也就是 ./objects 目录下
-     *
-     * @param repository
-     * @param data
-     * @return
-     * @throws IOException
-     */
-    private ObjectId insertBlobFileToDatabase(Repository repository, byte[] data) throws IOException {
-        try (ObjectInserter inserter = repository.getObjectDatabase().newInserter()) {
-            ObjectId blobId = inserter.insert(Constants.OBJ_BLOB, data);
-            inserter.flush();
-            return blobId;
-        }
-    }
-
-    /**
-     * commit
-     *
-     * @param repo
-     * @param branch
-     * @param treeId
-     * @param message
-     * @throws IOException
-     */
-    public void createCommit(Repository repo, String branch, ObjectId treeId, String message) throws IOException {
-        try (ObjectInserter inserter = repo.getObjectDatabase().newInserter();
-             RevWalk revWalk = new RevWalk(repo);) {
-
-            CommitBuilder builder = new CommitBuilder();
-            builder.setTreeId(treeId);
-            builder.setMessage(message);
-
-            ObjectId branchRef = repo.resolve(branch);
-            if (null != branchRef) {
-                RevCommit parentId = revWalk.parseCommit(branchRef);
-                builder.setParentId(parentId);
-            }
-
-            SysUserEntity loginUserEntity = userService.getById(StpUtil.getLoginIdAsString());
-            builder.setAuthor(new PersonIdent(loginUserEntity.getName(), "asw@geedgenetworks.com"));
-            builder.setCommitter(new PersonIdent(loginUserEntity.getName(), "asw@geedgenetworks.com"));
-
-            // 插入新的提交对象
-            ObjectId commitId = inserter.insert(builder);
-            inserter.flush();
-
-            // 更新 branch 指向新的提交
-            if (null != branchRef) {
-                RefUpdate refUpdate = repo.updateRef(T.StrUtil.concat(true, LOCAL_BRANCH_PREFIX, branch));
-                refUpdate.setNewObjectId(commitId);
-                refUpdate.update();
-            } else {
-                RefUpdate refUpdate = repo.updateRef(Constants.HEAD);
-                refUpdate.setNewObjectId(commitId);
-                refUpdate.update();
-            }
-        }
-    }
-
 }

src/main/resources/db/migration/R__AZ_sys_i18n.sql

@@ -149,5 +149,9 @@ INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (241, '302003', 'PLAYBOOK_INVALID_FILE', '无效文件', 'zh', '', 'admin', 1724030366000);
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (242, '202004', 'PACKAGE_CANNOT_DELETE', 'The referenced package cannot be deleted', 'en', '', 'admin', 1724030366000);
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (243, '202004', 'PACKAGE_CANNOT_DELETE', '以引用安装包不能删除', 'zh', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (244, '203003', 'GIT_PARENT_COMMITID_NOT_FOUND', 'Parent commitId not found', 'en', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (245, '203003', 'GIT_PARENT_COMMITID_NOT_FOUND', '未找到 parent commitId', 'zh', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (246, '203004', 'GIT_BINARY_CONFLICT_ERROR', 'Binary file conflict found; resolve conflicts in binary files manually', 'en', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (247, '203004', 'GIT_BINARY_CONFLICT_ERROR', '发现二进制文件冲突；手动解决二进制文件中的冲突', 'zh', '', 'admin', 1724030366000);
 
 SET FOREIGN_KEY_CHECKS = 1;