From: Kristoffer Haugsbakk <code@khaugsbakk.name>
Date: Mon, 03 Apr 2023 19:29:17 GMT
Subject: Re: range-diff: slight usability problem with mistyped ref
Message-ID: <de43cd37-bfa5-4dbc-84d5-9362e9af6a9a@app.fastmail.com>
In-Reply-To: <818b3ad0-df43-3484-8c19-d95026f6b2b1@gmx.de>

Hi Johannes and thanks for your reply

On Tue, Mar 28, 2023, at 13:37, Johannes Schindelin wrote:
> So even making the exact error message depend on the number of
> arguments could result in misleading error message.

Yeah, I see. It seems that the variadic nature of the command makes it
difficult to guess what the user might have meant in all cases.

> Do you have any splendid idea how to phrase the error message (or
> adapt it to the concrete invocation)?

No. I was going to look more closely at that if-else chain, but given
the fact that I don’t know C and all the cases that would need to be
covered (“what if the third argument happens to match both a ref and a
file?”) I wouldn’t get anywhere.

-- 
Kristoffer Haugsbakk