Re: [PATCH v3] launch_editor(): indicate that Git waits for user input

> From: Junio C Hamano <gitster@pobox.com>
> 
> When a graphical GIT_EDITOR is spawned by a Git command that opens
> and waits for user input (e.g. "git rebase -i"), then the editor window
> might be obscured by other windows. The user may be left staring at the
> original Git terminal window without even realizing that s/he needs to
> interact with another window before Git can proceed. To this user Git
> appears hanging.
> 
> Show a message in the original terminal and get rid of it when the
> editor returns.
> diff --git a/editor.c b/editor.c
> index 7519edecdc..4251ae9d7a 100644
> --- a/editor.c
> +++ b/editor.c
> @@ -40,6 +40,35 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
>  		const char *args[] = { editor, real_path(path), NULL };
>  		struct child_process p = CHILD_PROCESS_INIT;
>  		int ret, sig;
> +		static const char *close_notice = NULL;
> +
> +		if (isatty(2) && !close_notice) {