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From: Jeff King <>
To: Junio C Hamano <>
Cc: "Andreas G. Schacker" <>,
Subject: Re: [PATCH] doc/read-tree: remove obsolete remark
Date: Thu, 11 Jan 2018 19:35:04 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Jan 11, 2018 at 03:14:07PM -0800, Junio C Hamano wrote:

> >> Doesn't "git read-tree --prefix=previous HEAD^" add paths like
> >> "previous/Documentation/Makefile" to the index, i.e. instead of
> >> forcing you to have the required slash at the end, we give one for
> >> free when it is missing?
> >
> > Yes, I think it does what you'd want with that path. But it would not do
> > what you want by adding "previous-file". Which seems like a gotcha that
> > should be mentioned.
> I am a bit puzzled.  
> Do you mean a user who types "git read-tree --prefix=v1- HEAD^" may
> be expecting to see that the blob object "HEAD^:Makefile" added at
> path "v1-Makefile" etc?

Sorry, I was somewhat turned around in my example, thinking that we were
matching existing entries by prefix here and not putting entries into a
new prefix[1].

But yes, your example hits the point that I think is left unsaid: does
"--prefix=sub" mean the same thing as "--prefix=sub/", or is it a true
string prefix? Reading more carefully, though, we say "under the
directory at <prefix>" in the earlier part, which is probably

Note that this _is_ different than "git checkout-index --prefix", which
is a strict string prefix (i.e., you can checkout "--prefix=v1-" and get


[1] I was trying to figure out which feature of Git I was confusing it
    with, but couldn't find one. I think I may have just been thinking
    of checkout-index (which is not about matching existing paths, but
    does have the different behavior). Normally matching of existing
    paths is done with pathspecs, which I think should all use directory
    boundaries for prefix-matching.

      reply	other threads:[~2018-01-12  0:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 15:30 Andreas G. Schacker
2018-01-09 19:36 ` Junio C Hamano
2018-01-11 10:49 ` Jeff King
2018-01-11 19:02   ` Junio C Hamano
2018-01-11 22:21     ` Jeff King
2018-01-11 23:14       ` Junio C Hamano
2018-01-12  0:35         ` Jeff King [this message]

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