[tex-live] texconfig bug

[Ken Brown]

On 3/17/2016 5:56 PM, Karl Berry wrote:
>      Shouldn't the program instead save and restore the terminal settings?
>
> In theory, sure.  But is there any portable way to do that?  I'm not
> aware of one.  I am highly skeptical that stty -g works everywhere.  And
> no, I don't want to spend time writing code to use stty -g if it's
> available, not if it's not, etc.  Patches welcome :).
>
> Otherwise, the solution, as Norbert implies, is not to use texconfig.
>
>      I haven't tried to look into where and why 'termCtl reset' is used, so
>      maybe there's a good reason for the current behavior.
>
> I'm sure it was just a matter of restoring sanity to the terminal after
> doing screen-oriented stuff, ca.1990.  If you (or your user) want to try
> deleting it and see if anything untoward happens these days, I guess I'd
> consider removing it.  -k

The following seems to do the job with no apparent ill effects:

Index: source/texk/texlive/tl_scripts/texconfig-dialog.sh
===================================================================
--- source/texk/texlive/tl_scripts/texconfig-dialog.sh  (revision 40029)
+++ source/texk/texlive/tl_scripts/texconfig-dialog.sh  (working copy)
@@ -43,7 +43,7 @@
    rc=$1
    $needsCleanup && test -n "$tmpdir" && test -d "$tmpdir" \
      && { cd / && rm -rf "$tmpdir"; }
-  termCtl reset
+  termCtl clear
    (exit $rc); exit $rc
  }

Ken