scripts/Create-PkgUpdPatch

   1 #!/bin/bash
   2 #
   3 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   4 # T2 SDE: scripts/Create-PkgUpdPatch
   5 # Copyright (C) 2004 - 2021 The T2 SDE Project
   6 #
   7 # This Copyright note is generated by scripts/Create-CopyPatch,
   8 # more information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License version 2.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 pkg="$1"; shift
  15 ver="$1"; shift
  16
  17 if [ -z "$ver" ]; then
  18         ver=${pkg/*-/}
  19         pkg=${pkg%-$ver}
  20 fi
  21
  22 if [ -z "$pkg" -o -z "$ver" ]; then
  23         echo "Usage: $0 pkg ver"
  24         echo "   or: $0 pkg-ver"
  25         exit
  26 fi
  27
  28 pkg=`echo $pkg | tr A-Z a-z`
  29
  30 echo "[ $pkg ]" >&2
  31 pkgdir=`echo package/*/$pkg`
  32
  33 if [ ! -d "$pkgdir" ]; then
  34         echo "Can't find package for '$x'!" >&2
  35 else
  36         oldver="`egrep "^\[(V|VER|VERSION)\] " $pkgdir/$pkg.desc |
  37                         sed 's, ,\t,g; s,\t\t*,\t,g' | cut -f2`"
  38         tmpfile=`mktemp`; tmpfile2=`mktemp`
  39         echo "Update patch for $pkg ($pkgdir): $oldver -> $ver"
  40
  41         # [V]
  42         expression="-e 's@^\[\(V\|VER\|VERSION\)\].*@[\1] $ver@'"
  43         # file at [D]
  44         expression="$expression -e '/^\[\(D\|DOWN\|DOWNLOAD\)\]/ s@${oldver//./\\.}@$ver@g;'"
  45
  46         # detect download location structure
  47         sed -n -e 's,^\[\(D\|DOWN\|DOWNLOAD\)\].*[ \t]\([^ \t]*\)[ \t]*$,\2,p' $pkgdir/$pkg.desc > $tmpfile
  48
  49         if grep -q "/$oldver/$" $tmpfile; then
  50                 # $ver -> /$ver/
  51                 oldver="${oldver//./\\.}"
  52                 expression="$expression -e '/^\[\(D\|DOWN\|DOWNLOAD\)\]/ s@/$oldver/[^ \t]*\$@/$ver/@g;'"
  53         elif [ "$oldver" != "${oldver//-/}" ] && grep -q "/${oldver//-/}/\$" $tmpfile; then
  54                 # $ver-$extra -> /$ver/
  55                 oldver="${oldver%%-*}"; oldver="${oldver//./\\.}"
  56                 ver="${ver%%-*}"
  57                 expression="$expression -e '/^\[\(D\|DOWN\|DOWNLOAD\)\]/ s@/$oldver/[^ \t]*\$@/$ver/@g;'"
  58         else
  59                 # $ver.$extra -> /$ver/
  60                 oldver="${oldver%%-*}"
  61                 ver="${ver%%-*}"
  62
  63                 oldauxver=
  64                 auxver=
  65                 pattern="[^\.]*"
  66                 while [ "${oldver#$oldauxver}" ]; do
  67                         eval $( echo "$oldver $ver" | sed -e "s,\($pattern\).* \($pattern\).*,oldauxver=\1 auxver=\2," )
  68                         if grep -q "/$oldauxver/\$" $tmpfile; then
  69                                 oldver="${oldauxver%%-*}"; oldauxver="${oldauxver//./\\.}"
  70                                 ver="${auxver%%-*}"
  71                                 expression="$expression -e '/^\[\(D\|DOWN\|DOWNLOAD\)\]/ s@/$oldver/[^ \t]*\$@/$ver/@g;'"
  72                                 break
  73                         fi
  74                         pattern="$pattern\.\?[^\.]*"
  75                 done
  76         fi
  77
  78         # checksum at [D]
  79         expression="$expression -e 's,^\[\(D\|DOWN\|DOWNLOAD\)\] [^ ]\+,[\1] 0,'"
  80
  81         eval "sed $expression $pkgdir/$pkg.desc" > $tmpfile
  82         diff -u ./$pkgdir/$pkg.desc $tmpfile | tee $tmpfile2
  83         [ -s $tmpfile2 ] || echo "Patch for '$x' is empty!" >&2
  84         rm -f $tmpfile $tmpfile2
  85 fi
  86 echo