scripts/brp-compress

   1 #!/bin/sh
   2
   3 # If using normal root, avoid changing anything.
   4 if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
   5         exit 0
   6 fi
   7
   8 cd $RPM_BUILD_ROOT
   9
  10 # Compress man pages
  11 COMPRESS="gzip -9 -n"
  12 COMPRESS_EXT=.gz
  13
  14 for d in ./usr/man/man* ./usr/man/*/man* ./usr/info \
  15         ./usr/share/man/man* ./usr/share/man/*/man* ./usr/share/info \
  16         ./usr/kerberos/man ./usr/X11R6/man/man* ./usr/lib/perl5/man/man* \
  17         ./usr/share/doc/*/man/man* ./usr/lib/*/man/man*
  18 do
  19     [ -d $d ] || continue
  20     for f in `find $d -type f`
  21     do
  22         [ -f "$f" ] || continue
  23         [ "`basename $f`" = "dir" ] && continue
  24
  25         case "$f" in
  26          *.gz|*.Z)    gunzip  $f; b=`echo $f | sed -e 's/\.\(gz\|Z\)$//'`;;
  27          *.bz2)       bunzip2 $f; b=`echo $f | sed -e 's/\.bz2$//'`;;
  28          *.xz|*.lzma) unxz    $f; b=`echo $f | sed -e 's/\.\(xz\|lzma\)$//'`;;
  29          *) b=$f;;
  30         esac
  31
  32         $COMPRESS $b </dev/null 2>/dev/null || {
  33             inode=`ls -i $b | awk '{ print $1 }'`
  34             others=`find $d -type f -inum $inode`
  35             if [ -n "$others" ]; then
  36                 for afile in $others ; do
  37                     [ "$afile" != "$b" ] && rm -f $afile
  38                 done
  39                 $COMPRESS -f $b
  40                 for afile in $others ; do
  41                     [ "$afile" != "$b" ] && ln $b$COMPRESS_EXT $afile$COMPRESS_EXT
  42                 done
  43             else
  44                 $COMPRESS -f $b
  45             fi
  46         }
  47     done
  48
  49     for f in `find $d -type l`
  50     do
  51         l=`ls -l $f | sed -e 's/.* -> //' -e 's/\.\(gz\|Z\|bz2\|xz\|lzma\)$//'`
  52         rm -f $f
  53         b=`echo $f | sed -e 's/\.\(gz\|Z\|bz2\|xz\|lzma\)$//'`
  54         ln -sf $l$COMPRESS_EXT $b$COMPRESS_EXT
  55     done
  56 done