I do not want to use the git merge command as the precursor to reviewing conflicting files. I don't want to do a merge, I want to identify potential problems before I merge - problems that auto-merge might hide from me. The solution I have been searching for is how to have git spit out a list of files that have been changed in both branches that will be merged together in the future, relative to some common ancestor. Once I have that list, I can use other file comparison tools to scout things out further. I have searched multiple times, and I still haven't found what I want in a native git command.

以下是我的解决方案，希望对其他人有所帮助:

在这个场景中，我有一个名为QA的分支，自上一个产品发行版以来，它有许多更改。我们的最后一个产品版本被标记为“15.20.1”。我有另一个名为new_stuff的开发分支，我想合并到QA分支中。QA和new_stuff都指向“跟随”(由gitk报告)15.20.1标记的提交。

git checkout QA
git pull
git diff 15.20.1 --name-only > QA_files
git checkout new_stuff
git pull
git diff 15.20.1 --name-only > new_stuff_files
comm -12 QA_files new_stuff_files

下面是一些关于为什么我对这些特定文件感兴趣的讨论:

我如何信任Git合并?

https://softwareengineering.stackexchange.com/questions/199780/how-far-do-you-trust-automerge

如果您和我一样，您正在寻找等价于svn update -n的文件。下面的方法似乎可以达到目的。请注意，请确保首先进行git获取，以便您的本地回购有适当的更新进行比较。

$ git fetch origin
$ git diff --name-status origin/master
D       TableAudit/Step0_DeleteOldFiles.sh
D       TableAudit/Step1_PopulateRawTableList.sh
A       manbuild/staff_companies.sql
M       update-all-slave-dbs.sh

或者如果你想要从你的脑袋到遥控器的差异:

$ git fetch origin
$ git diff origin/master

在我看来，这个解决方案比提出“合并然后中止”的顶部解决方案更容易，更不容易出错(因此风险更小)。

Pull Request——我已经使用了大部分已经提交的想法，但我也经常使用的一个想法是(尤其是来自其他开发人员的想法)做一个Pull Request，它提供了一种方便的方法，可以在合并发生之前检查所有的更改。我知道这是GitHub不是git，但它肯定是方便的。

也许这个能帮到你? git-diff-tree -比较通过两个树对象找到的blob的内容和模式

I do not want to use the git merge command as the precursor to reviewing conflicting files. I don't want to do a merge, I want to identify potential problems before I merge - problems that auto-merge might hide from me. The solution I have been searching for is how to have git spit out a list of files that have been changed in both branches that will be merged together in the future, relative to some common ancestor. Once I have that list, I can use other file comparison tools to scout things out further. I have searched multiple times, and I still haven't found what I want in a native git command.

以下是我的解决方案，希望对其他人有所帮助:

在这个场景中，我有一个名为QA的分支，自上一个产品发行版以来，它有许多更改。我们的最后一个产品版本被标记为“15.20.1”。我有另一个名为new_stuff的开发分支，我想合并到QA分支中。QA和new_stuff都指向“跟随”(由gitk报告)15.20.1标记的提交。

git checkout QA
git pull
git diff 15.20.1 --name-only > QA_files
git checkout new_stuff
git pull
git diff 15.20.1 --name-only > new_stuff_files
comm -12 QA_files new_stuff_files

下面是一些关于为什么我对这些特定文件感兴趣的讨论:

我如何信任Git合并?

https://softwareengineering.stackexchange.com/questions/199780/how-far-do-you-trust-automerge

如果你已经获取了更改，我最喜欢的是:

git log ...@{u}

这需要git 1.7。x我相信。@{u}符号是上游分支的“速记”，因此它比git log…origin/master更通用。

注意:如果你使用zsh和扩展的glog，你可能需要做一些类似的事情:

git log ...@\{u\}