#!/bin/bash

# This script can be run manually or by cron to service the urpmi-proxy cache. Functions:
#  1) make downloaded .noarch packages for 32 bit available for 64 bit arc and vice versa (i.e large game data)
#  2) remove media_info files from updating medias
#  3) call cache-rinse.py to delete old rpms (thanks Luca Olivetti)

# /Morgan Leijström

# Check parameters it use, i.e mageia versions (first "for ver in..." line below.

if [ "$(whoami)" != 'root' ]; then
        echo "You must run $0 as root user."
        exit 1;
fi

# define the root of urpmi-proxy cache
base=/var/cache/urpmi-proxy/distrib

# Make any *.noarch downloaded for one architecture be available in the other architectures repo too:
# Cross link *.noarch between architecures (hard links use almost no extra space for duplicates)
# It will fail on non existant directory, and on existing target file ( no problem), and do next
for ver in 4 5 cauldron ; do		# excluded: $ver/debug
  for typ in core nonfree tainted ; do  # excluded: *_debug & *_testing
    for relup in release updates ; do   # (updates in cauldron is normally empty, but go on...)

      # Cross link:
      ln $base/$ver/i586/media/$typ/$relup/*noarch.rpm -t $base/$ver/x86_64/media/$typ/$relup/
      ln $base/$ver/x86_64/media/$typ/$relup/*noarch.rpm -t $base/$ver/i586/media/$typ/$relup/

      # In media_info of all update repos and all cauldron there will accumulate old files
      # (cache-rinse.py do not handle these );
      # We simply empty these media_info folders 
      if [ $ver = 'cauldron'  -o  $relup = 'updates' ] ; then
	rm -f $base/$ver/i586/media/$typ/$relup/media_info/*
	rm -f $base/$ver/x86_64/media/$typ/$relup/media_info/*
      fi

    done
  done
done

# Note: in any debug or testing repo we neither duplicate .noarch files nor clean media_info 


# Remove old rpm, keep the newest version of each package
# Note: cache-rinse.py must exist in and be run from the cache tree root!
cd $base/
$base/cache-rinse.py --delete