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Date: Wed, 14 Jul 2021 19:20:40 -0600
Message-ID: <CAJ1FpuMad9ASSqKXCfJk0xuJVhpFKuCFwKDv2CDYf4uLiPUbYQ@mail.gmail.com>
Subject: Re: Setup shows errors from gnuplot-base.dash and python38-devel.sh
To: cygwin <cygwin@cygwin.com>
From: Doug Henderson via Cygwin <cygwin@cygwin.com>
Reply-To: Doug Henderson <djndnbvg@gmail.com>
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie.com@cygwin.com>

On Wed, 14 Jul 2021 at 16:33, Ken Brown via Cygwin <cygwin@cygwin.com> wrote:
>
> On 7/14/2021 5:08 PM, Doug Henderson via Cygwin wrote:
> > On Wed, 14 Jul 2021 at 13:03, Achim Gratz <Stromeko@nexgo.de> wrote:
> >>
> >> Doug Henderson via Cygwin writes:
> >>> The first error message occurred when I installed all pending packages
> >>> this morning. I hoped to heal the problem by reinstalling the
> >>> installed gnuplot packages. Now I get both the messages.
> >>
> >> If you look in /var7Log/setup.log.full you should be able to see what
> >> error messages, if any, were recorded.
> >>
> >> The gnuplot related script should just set up the current alternative
> >> for "gnuplot" to use, but something on your system seems to prevent
> >> that from happening.  You can also run the script in sh (you must tell
> >> the shell to source it) and should get the same error (most likely).
> >
> > When I do that in an elevated shell:
> >
> > $ cd /etc/postinstall/
> >
> > $ cat gnuplot-base.dash
> > /usr/sbin/alternatives --install /usr/bin/gnuplot gnuplot
> > /usr/bin/gnuplot-base.exe 10
> >
> > $ . gnuplot-base.dash
> > failed to read link /usr/bin/gnuplot: No such file or directory
> > failed to link /usr/bin/gnuplot -> /etc/alternatives/gnuplot: No such
> > file or directory
>
> Something seems to be confusing 'alternatives'.  Can you show a listing of
> /etc/alternatives?

$ cd /etc/alternatives/

$ ls -l
total 2.0K
lrwxrwxrwx 1 Admin None  35 Oct  3  2017 automake-doc ->
/usr/share/info/automake1.9.info.gz
lrwxrwxrwx 1 Admin None  19 Jun 16 17:48 lua -> /usr/bin/lua5.3.exe*
lrwxrwxrwx 1 Admin None  31 Jun 16 17:48 lua.1.gz ->
/usr/share/man/man1/lua5.3.1.gz
lrwxrwxrwx 1 Admin None  20 Jun 16 17:48 luac -> /usr/bin/luac5.3.exe*
lrwxrwxrwx 1 Admin None  32 Jun 16 17:48 luac.1.gz ->
/usr/share/man/man1/luac5.3.1.gz
lrwxrwxrwx 1 Admin None  15 Jun  5 08:46 pip3 -> /usr/bin/pip3.8*
lrwxrwxrwx 1 Admin None  22 Jun 16 07:34 python -> /usr/bin/python3.8.exe*
-rw-r--r-- 1 Admin None 163 Apr  4  2013 README

$ ls -ld .
drwxr-xr-x+ 1 Admin None 0 Jun 16 17:48 ./

$ lsacl /etc/alternatives
[u::rwx,g::r-x,o::r-x/u::rwx,g::r-x,o::r-x] /etc/alternatives

$ icacls /etc/alternatives/
drwxr-xr-x+ 1 Admin None 0 Jun 16 17:48 /etc/alternatives/
C:\cygwin64\etc\alternatives xxxx\Admin:(F)
                             xxxx\None:(RX)
                             Everyone:(RX)
                             CREATOR OWNER:(OI)(CI)(IO)(F)
                             CREATOR GROUP:(OI)(CI)(IO)(RX)
                             Everyone:(OI)(CI)(IO)(RX)
BTW:
$ where icacls
icacls is a function
icacls ()
{
    local target;
    ls -hF --color=auto --color=none --indicator-style=none -dl $(
cygpath -a "$1" );
    target="$( cygpath -aw "$1" )";
    $( cygpath -u 'C:\Windows\System32\icacls.exe' ) "$target" /Q |
sed -e '/^Succ/d'
}

Hope this helps with the diagnosis.
Doug


-- 
Doug Henderson, Calgary, Alberta, Canada - from gmail.com

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