[jira] [Commented] (MESOS-4216) post-reviews.py should support multiple git worktrees

["Joseph Wu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-4216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066729#comment-15066729 ] 

Joseph Wu commented on MESOS-4216:
----------------------------------

[~klueska], would these changes ([MESOS-4125]) fix this?  

> post-reviews.py should support multiple git worktrees
> -----------------------------------------------------
>
>                 Key: MESOS-4216
>                 URL: https://issues.apache.org/jira/browse/MESOS-4216
>             Project: Mesos
>          Issue Type: Improvement
>          Components: build
>            Reporter: Shuai Lin
>            Priority: Trivial
>
> Git 2.5 add a new feature "multiple worktrees", e.g. one can checkout multiple worktrees of the same local git repo, which share the same .git directory.
> For example, the following command:
> {code} 
> git worktree add -b new-branch ../mesos-new-branch master 
> {code}
> would create a new folder {{mesos-new-branch}} in the parent folder of mesos source tree.
> See [this github blog|https://github.com/blog/2042-git-2-5-including-multiple-worktrees-and-triangular-workflows] for details.
> This feature is quite handy when developing mesos: you can avoid re-compiling mesos (really costs a lot of time) when you need to temporary switch to another branch and switch back soon after: you just create a worktree, and do stuff there.
> Currently the {{post-reviews.py}} script doesn't work well if not running in the default worktree, becase it would look for the {{.git}} folder. In non-default worktree, `.git` is a file whose content points to the real `.git` dir.
> {code} 
> $ cd ~/dev/mesos-new-branch 
> $ cat .git 
> gitdir: ~/dev/mesos/.git/worktrees/mesos-new-branch 
> {code}



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