From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] utils: Add 'wrap-program'.
Date: Mon, 04 Mar 2013 11:08:42 +0100
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In-Reply-To: <87zjykyt80.fsf@karetnikov.org> (Nikita Karetnikov's message of
	"Mon, 04 Mar 2013 03:11:11 +0400")
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To: Nikita Karetnikov <nikita@karetnikov.org>
Cc: bug-guix@gnu.org

Nikita Karetnikov <nikita@karetnikov.org> skribis:

>>> +    (copy-file prog prog-real)
>
>> You lack a (chmod prog-real #o755), I think.
>
> Are you sure?
>
> If 'prog' is an executable, 'prog-real' will be an executable too.
>
> scheme@(guile-user)> (open-file "foo" "w")
> $1 =3D #<output: foo 9>
> scheme@(guile-user)> (chmod "foo" #o755)
> scheme@(guile-user)> (copy-file "foo" "bar")
> scheme@(guile-user)> (format #f "~o" (stat:perms (stat "bar")))
> $2 =3D "755"

Oh you=E2=80=99re right (I thought permissions were not preserved.)

So you can go ahead.  Sorry for the noise!

Ludo=E2=80=99.