On Wed, Apr 24, 2024 at 11:50:17PM +0200, Roland Hieber wrote:
> Even 'symbolic-ref' is only completed when
> GIT_COMPLETION_SHOW_ALL_COMMANDS=1 is set, it currently defaults to
> completing file names, which is not very helpful. Add a simple
> completion function which completes options and refs.
> 
> Signed-off-by: Roland Hieber <rhi@pengutronix.de>
> ---
> PATCH v2:
>  - no changes
> 
> PATCH v1: https://lore.kernel.org/git/20240424210549.256256-1-rhi@pengutronix.de/
> ---
>  contrib/completion/git-completion.bash | 11 +++++++++++
>  t/t9902-completion.sh                  | 16 ++++++++++++++++
>  2 files changed, 27 insertions(+)
> 
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index 75193ded4bde..ffcc55484bcd 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -3581,6 +3581,17 @@ _git_svn ()
>  	fi
>  }
>  
> +_git_symbolic_ref () {
> +	case "$cur" in
> +	--*)
> +		__gitcomp "--delete --quiet --short --recurse --no-recurse"
> +		return
> +		;;

Instead of hardcoding these we may use the `--git-completion-helper`
option, which outputs the options for us. We have `__gitcomp_builtin ()`
to do this.

> +	esac
> +	
> +	__git_complete_refs
> +}
> +
>  _git_tag ()
>  {
>  	local i c="$__git_cmd_idx" f=0
> diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
> index 569cf2310434..a34953da6c96 100755
> --- a/t/t9902-completion.sh
> +++ b/t/t9902-completion.sh
> @@ -2518,6 +2518,22 @@ test_expect_success 'complete tree filename with metacharacters' '
>  	EOF
>  '
>  
> +test_expect_success 'symbolic-ref completes short ref names ' '
> +	test_completion "git symbolic-ref foo m" <<-\EOF
> +	main Z
> +	mybranch Z
> +	mytag Z
> +	EOF
> +'

Nit: let's add a newline between those two test cases.

Patrick

> +test_expect_success 'symbolic-ref completes full ref names' '
> +	test_completion "git symbolic-ref foo refs/" <<-\EOF
> +	refs/heads/main Z
> +	refs/heads/mybranch Z
> +	refs/tags/mytag Z
> +	refs/tags/A Z
> +	EOF
> +'
> +
>  test_expect_success PERL 'send-email' '
>  	test_completion "git send-email --cov" <<-\EOF &&
>  	--cover-from-description=Z
> -- 
> 2.39.2
> 
>