misc/tools/xzipdiff

   1 #!/bin/sh
   2
   3 from=$1
   4 to=$2
   5 output=$3
   6 case "$from" in /*) ;; *) from=`pwd`/$from ;; esac
   7 case "$to" in /*) ;; *) to=`pwd`/$to ;; esac
   8 case "$output" in /*) ;; *) output=`pwd`/$output ;; esac
   9
  10 excludes="
  11         Xonotic/data/xonotic-*-data.pk3
  12         Xonotic/data/xonotic-*-maps.pk3
  13         Xonotic/data/xonotic-*-music.pk3
  14         Xonotic/data/xonotic-*-nexcompat.pk3
  15         Xonotic/data/xonotic-*-data-low.pk3
  16         Xonotic/data/xonotic-*-maps-low.pk3
  17         Xonotic/data/xonotic-*-music-low.pk3
  18         Xonotic/data/font-nimbussansl-*.pk3
  19         Xonotic/data/font-xolonium-*.pk3
  20 "
  21
  22 makepatchname()
  23 {
  24         wildcard=$1
  25         fromname=$2
  26         toname=$3
  27         prefix=${wildcard%%\**}
  28         suffix=${wildcard#*\*}
  29         fromversion=${fromname#$prefix}
  30         fromversion=${fromversion%$suffix}
  31         toversion=${toname#$prefix}
  32         toversion=${toversion%$suffix}
  33         echo "$prefix$fromversion"patch"$toversion$suffix"
  34 }
  35
  36 zipdiff -f "$from" -t "$to" -o "$output" -x "$excludes"
  37 # or maybe just include ALL not excluded files from $to in $output?
  38
  39 tempdir=`mktemp -d -t zipdiff.XXXXXX`
  40 cd "$tempdir"
  41
  42 for x in $excludes; do
  43         mkdir a b c
  44         (cd a && unzip "$from" "$x")
  45         fromname=`find a/ -type f`; fromname=${fromname#a/}
  46         (cd b && unzip "$to" "$x")
  47         toname=`find b/ -type f`; toname=${toname#b/}
  48         patchname=`makepatchname "$x" "$fromname" "$toname"`
  49         patchdir="c/$patchname"; patchdir=${patchdir%/*}
  50         mkdir -p "$patchdir"
  51         zipdiff -f a/"$fromname" -t b/"$toname" -o c/"$patchname"
  52         if [ -f c/"$patchname" ]; then
  53                 (cd c && zip -0r "$output" "$patchname")
  54         fi
  55         rm -rf a b c
  56 done
  57
  58 rm -rf "$tempdir"