From: Jeff King <peff@peff.net>
Date: Mon, 23 Aug 2021 18:53:31 GMT
Subject: Re: git read-tree doesn't accept tree-ish
Message-ID: <YSPuq/HmF3tnYHCA@coredump.intra.peff.net>
In-Reply-To: <CAMJzOtxMjEuAy2B3oJqOZEnipmC4OBWxhQLx_baXDHcQ1C7-+g@mail.gmail.com>

On Mon, Aug 23, 2021 at 07:31:29PM +0200, Nikita Bobko wrote:

> ```
> git init
> echo foo > foo
> git add --all
> git commit -m 'foo'
> 
> echo bar > foo
> git add --all
> git commit -m 'bar'
> 
> git read-tree HEAD~:foo
> ```
> EXP: Read information about file `foo` into index
> ACT: `fatal: failed to unpack tree object HEAD~:foo`
> 
> I expect it to work because manpage says that `git-read-tree` accepts
> `<tree-ish>`

In your example, "foo" is a blob, not a tree. And thus HEAD~:foo
is not a tree-ish. Just "HEAD~" would be.

What are you trying to do?

-Peff