common/hooks/post-install/00-compress-info-files.sh

   1 # This hook compresses info(1) files.
   2
   3 hook() {
   4         local f j dirat lnkat newlnk
   5         local fpattern="s|${PKGDESTDIR}||g;s|^\./$||g;/^$/d"
   6         #
   7         # Find out if this package contains info files and compress
   8         # all them with gzip.
   9         #
  10         if [ ! -f ${PKGDESTDIR}/usr/share/info/dir ]; then
  11                 return 0
  12         fi
  13         # Always remove this file if curpkg is not texinfo.
  14         if [ "$pkgname" != "texinfo" ]; then
  15                 rm -f ${PKGDESTDIR}/usr/share/info/dir
  16         fi
  17
  18         find ${PKGDESTDIR}/usr/share/info -type f -follow | while read -r f; do
  19                 j=$(echo "$f"|sed -e "$fpattern")
  20                 [ "$j" = "" ] && continue
  21                 [ "$j" = "/usr/share/info/dir" ] && continue
  22                 # Ignore compressed files.
  23                 if  [[ "$j" =~ .*.gz$ ]]; then
  24                         continue
  25                 fi
  26                 # Ignore non info files.
  27                 if ! [[ "$j" =~ .*.info$ ]] && ! [[ "$j" =~ .*.info-[0-9]*$ ]]; then
  28                         continue
  29                 fi
  30                 if [ -h ${PKGDESTDIR}/"$j" ]; then
  31                         dirat="${j%/*}/"
  32                         lnkat=$(readlink ${PKGDESTDIR}/"$j")
  33                         newlnk="${j##*/}"
  34                         rm -f ${PKGDESTDIR}/"$j"
  35                         cd ${PKGDESTDIR}/"$dirat"
  36                         ln -s "${lnkat}".gz "${newlnk}".gz
  37                         continue
  38                 fi
  39                 echo "   Compressing info file: $j..."
  40                 gzip -nfq9 ${PKGDESTDIR}/"$j"
  41         done
  42 }