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Re: [Query] Separate hooks for Git worktrees

On Thu, Nov 9, 2017 at 2:58 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> Hi,
> I have a typical use case, where I am using the same
> repository for both Android and Linux kernel branches.
> Android needs us to keep a special hook "commit-msg"
> which adds a "Change-Id" to every commit we create.

The standard hook for Gerrit can be {en,dis}-abled via
  git config gerrit.createChangeId {true, false}

> While this works fine with Android, the behavior doesn't change
> by simply changing to a upstream kernel branch and eventually
> by mistake I may end up sending patch with Change-Id to upstream
> kernel as well. And I want to avoid that.
> I am looking at ways to make this configuration work for me by
> applying the hook only for Android branches.
> I tried using the "git worktrees" command to create a separate
> linked tree for my android branch, but it doesn't have a .git directory
> but just a file linking to the main repository.

We have no worktree specific config yet, though patches for
this were floated on the mailing list.

Though recent versions of git learned to conditionally include
config files. (look for includeIf in man git-config), which I think
could be used to set the option gerrit.createChangeId  depending
on the worktree you are in.

> Any idea how I can get around this problem without having separate
> repositories for kernel and android ?

The proposed approach above might be hacky but sounds as if
it should work?