Subject: Re: Bug: subcommand autocomplete fails on 2.21.0

From: SZEDER Gábor <[email-masked]>
Date: Sat, 6 Apr 2019 23:19:58 +0200

On Sat, Apr 06, 2019 at 07:49:29PM +0200, SZEDER Gábor wrote:
> On Sat, Apr 06, 2019 at 12:36:30PM -0400, Paul Schreiber wrote:
> > With git 2.21.0, tab completion no longer works for subcommands.
> > 
> > STEPS TO REPRODUCE
> > 1. install git 2.21.0 from https://git-scm.com/download/mac
> > 2. source /usr/local/etc/bash_completion.d/git-extras (manually, or update your .bashrc/.profile and start a new terminal)
> > 2. git clone https://github.com/tj/git-extras
> > 3. cd git-extras
> > 4. sudo make install
> 
> By the looks of it, this installs five commands whose names start with
> 'del':
> 
>   git-delete-branch
>   git-delete-merged-branches
>   git-delete-submodule
>   git-delete-tag
>   git-delta
> 
> If this is indeed the case, then ...
> 
> > 5. change directory to a git repository
> > 6. type "git del” and press [tab] 
> > 
> > EXPECTED
> > line is changed to "git delete-merged-branches"
> 
> ... this behavior would, in fact, be a bug, because 'del' is the
> unique prefix of those five commands.

Erm, let me rephrase, because this doesn't make sense:

... this behavior would, in fact, be a bug, because 'del' is the
common prefix of those five commands, so it can't be uniquely
completed.

> > ACTUAL
> > [beep]
> 
> And I think this is the right behavior, and on a second TAB it should
> list all commands whose name starts with 'del'.
> 
> > CONFIG
> > macOS 10.13.6 (17G5019) and macOS 10.14 (18E226)
> > git 2.21.0
> > git-extras 4.8.0-dev
> > 
> > REGRESSION
> > Works as expected with git 2.17.0.
>