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#!/bin/sh
# $Id$
# Public domain.  Originally written 2011, Peter Breitenlohner.
#
# This script updates the linked scripts (but doesn't commit anything).

mydir=`cd \`dirname $0\` && pwd`
Master=`cd $mydir/../.. && pwd`

compare_and_copy () {
  for file in "$@"; do
    #echo "comparing $Src/$file to $Dest..."
    
    cmp -s $Src/$file $Dest/$file && continue
    
    echo "updating $Src/$file -> $Dest/$file"
    diff -u0 $Src/$file $Dest/$file
    cp $Src/$file $Dest/$file || exit 1
  done
}

# Master/texmf-dist/scripts => Build/source/texk/texlive/linked_scripts

Dest=`cd $Master/../Build/source/texk/texlive/linked_scripts && pwd`
Src=$Master/texmf-dist/scripts

test -r $Dest/scripts.lst || {
  echo "$0: \`$Dest/scripts.lst' missing'"
  exit 1
}

# echo "$Src => $Dest"

. $Dest/scripts.lst

compare_and_copy $texmf_scripts
exit $?

# Here is how we handled a second directory, that copied in the other
# direction. As of January 2020, all the scripts in tl_scripts are gone,
# now maintained in Master with slaves in the normal linked_scripts
# handled above.
# 
## Build/source/texk/texlive/tl_scripts => Master/texmf-dist/scripts/texlive
#
#Src=`cd $Dest/../tl_scripts && pwd`
#Dest=$Master/texmf-dist/scripts/texlive
#
#test -r $Src/scripts.lst || {
#  echo "$0: \`$Src/scripts.lst' missing'"
#  exit 1
#}
#
## echo "$Src => $Dest"
#
#. $Src/scripts.lst
#
#compare_and_copy $tl_scripts