Re: [PATCH] log: decorate HEAD -> branch with the same color for branch and HEAD

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Jeff King venit, vidit, dixit 01.07.2016 08:31:
> On Thu, Jun 30, 2016 at 06:39:42PM +0200, Nguyễn Thái Ngọc Duy wrote:
> 
>> Commit 76c61fb (log: decorate HEAD with branch name under
>> --decorate=full, too - 2015-05-13) adds "HEAD -> branch" decoration to
>> show current branch vs detached HEAD. The sign of whether HEAD is
>> detached or not is "->" (vs ", "). It's too subtle for my poor
>> eyes. If color is used, we can make the branch name's color the same
>> as HEAD to visually emphasize that it's the current branch.
> 
> Hmm. I think I like this, as it uses color to make the grouping between
> HEAD and its referent more clear.
> 
> We do already use colors to indicate "type", though. Which means:
> 
>   1. The branch now uses the "symref" color. Probably OK, as that is the
>      point of the grouping (I wonder if the "->" in the middle should
>      match in color, too).
> 
>   2. We used to color based on current_and_HEAD->type, but now that
>      information isn't conveyed. However, can this really ever have been
>      anything _except_ a branch?
> 
> -Peff
> 

So, I rechecked, and I'm afraid I don't like the proposal.

Currently, we have a clear color code that colors refs according their
type (local branch, remote branch, tag, symref). This also corresponds
to status colors, for example.

Under the proposal, a checked out branch would not be colored like a
local branch - note that back then, the result of the discussion was:

- If a branch foo is checked out, do not decorate by "foo", but amend
the HEAD decoration with "foo" and a symbol that denotes the connection.

So, "HEAD -> foo" is an intentional union of two decorations.

I wouldn't mind changing the color of "- > foo" if it were just an
addition to "HEAD", but it is not - it's the decoration by the local
branch foo.

With git branch, we use "*" as a symbol for the checked out branch...

Michael
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