人生不如意之事十之八九，合并分支往往也不是一帆风顺的。
准备新的feature1分支，继续我们的新分支开发：
$ git checkout -b feature1Switched to a new branch 'feature1'
修改readme.txt最后一行，改为：
Creating a new branch is quick AND simple.
在feature1分支上提交：
$ git add readme.txt $ git commit -m "AND simple"[feature1 75a857c] AND simple 1 file changed, 1 insertion(+), 1 deletion(-)
切换到master分支：
$ git checkout masterSwitched to branch 'master'Your branch is ahead of 'origin/master' by 1 commit.
Git还会自动提示我们当前master分支比远程的master分支要超前1个提交。
在master分支上把readme.txt文件的最后一行改为：
Creating a new branch is quick & simple.
提交：
$ git add readme.txt $ git commit -m "& simple"[master 400b400] & simple 1 file changed, 1 insertion(+), 1 deletion(-)
现在，master分支和feature1分支各自都分别有新的提交，变成了这样：
这种情况下，Git无法执行“快速合并”，只能试图把各自的修改合并起来，但这种合并就可能会有冲突，我们试试看：
$ git merge feature1Auto-merging readme.txtCONFLICT (content): Merge conflict in readme.txtAutomatic merge failed; fix conflicts and then commit the result.
果然冲突了！Git告诉我们，readme.txt文件存在冲突，必须手动解决冲突后再提交。git status也可以告诉我们冲突的文件：
$ git status# On branch master# Your branch is ahead of 'origin/master' by 2 commits.## Unmerged paths:# (use "git add/rm <file>..." as appropriate to mark resolution)## both modified: readme.txt#no changes added to commit (use "git add" and/or "git commit -a")
我们可以直接查看readme.txt的内容：
Git is a distributed version control system.Git is free software distributed under the GPL.Git has a mutable index called stage.Git tracks changes of files.<<<<<<< HEADCreating a new branch is quick & simple.=======Creating a new branch is quick AND simple.>>>>>>> feature1
Git用<<<<<<<，=======，>>>>>>>标记出不同分支的内容，我们修改如下后保存：
Creating a new branch is quick and simple.
再提交：
$ git add readme.txt $ git commit -m "conflict fixed"[master 59bc1cb] conflict fixed
现在，master分支和feature1分支变成了下图所示：
用带参数的git log也可以看到分支的合并情况：
$ git log --graph --pretty=oneline --abbrev-commit* 59bc1cb conflict fixed|/| * 75a857c AND simple* | 400b400 & simple|/* fec145a branch test...
最后，删除feature1分支：
$ git branch -d feature1Deleted branch feature1 (was 75a857c).
工作完成。
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