scripts/feeds.sh

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 # Usage : $1 -> source feeds, space separated
   8 #         $2 -> other options (not used yet)
   9 #
  10 # Note : we do not yet resolve package name conflicts
  11 #
  12
  13 # Directories
  14 FEEDS_DIR=$TOPDIR/feeds
  15 PACKAGE_DIR=$TOPDIR/package
  16
  17 # We work in the TOPDIR as defined in the caller Makefile
  18 cd $TOPDIR
  19 # This directory will be structured this way : feeds/feed-name
  20 [ -d $FEEDS_DIR ] || mkdir -p $FEEDS_DIR
  21
  22
  23 # Some functions we might call several times a run
  24 delete_symlinks() {
  25         find $1 -type l | xargs -r rm -f
  26 }
  27
  28 setup_symlinks() {
  29         # We assume that feeds do reproduce the hierarchy : section/package
  30         # so that we can make this structure be flat in $PACKAGE_DIR
  31         for dir in $(ls $1/)
  32         do
  33                 ln -s $1/$dir/* $2/
  34         done
  35 }
  36
  37 checkout_feed() {
  38         # We ensure the feed has not already been checked out, if so, we just update the source feed
  39         if [ -d $FEEDS_DIR/$2 ]; then
  40                 svn up ${3:+-r$3} $FEEDS_DIR/$2
  41                 echo "Updated to revision $(LANG=C svn info $FEEDS_DIR/$2 | awk '/^Revision:/ { print $2 }' )";
  42         # Otherwise, we have to checkout in the $FEEDS_DIR
  43         else
  44                 svn co ${3:+-r$3} $1 $FEEDS_DIR/$2
  45                 echo "Checked out revision $(LANG=C svn info $FEEDS_DIR/$2 | awk '/^Revision:/ { print $2 }' )";
  46         fi
  47 }
  48
  49 extract_feed_name() {
  50         # We extract the last name of the URL, maybe we should rename this as domain.tld.repository.name
  51         echo "$(echo $1 | sed -e "s/[^A-Za-z\.]\+/_/g")"
  52 }
  53
  54 # We can delete symlinks every time we start this script, since modifications have been made in the $FEEDS_DIR anyway
  55 delete_symlinks "$PACKAGE_DIR"
  56 # Now let's checkout feeds
  57 for feed in $1
  58 do
  59         name=$(extract_feed_name "$feed")
  60         checkout_feed "$feed" "$name" "$2"
  61 done
  62 # Finally setup symlinks
  63 setup_symlinks "$FEEDS_DIR" "$PACKAGE_DIR"