pkgs/build-support/setup-hooks/compress-man-pages.sh

   1 fixupOutputHooks+=('if [ -z "${dontGzipMan-}" ]; then compressManPages "$prefix"; fi')
   2
   3 compressManPages() {
   4     local dir="$1"
   5
   6     if [ -L "$dir"/share ] || [ -L "$dir"/share/man ] || [ ! -d "$dir/share/man" ]
   7         then return
   8     fi
   9     echo "gzipping man pages under $dir/share/man/"
  10
  11     # Compress all uncompressed manpages.  Don't follow symlinks, etc.
  12     find "$dir"/share/man/ -type f -a '!' -regex '.*\.\(bz2\|gz\|xz\)$' -print0 \
  13         | while IFS= read -r -d $'\0' f
  14     do
  15         if gzip -c -n "$f" > "$f".gz; then
  16             rm "$f"
  17         else
  18             rm "$f".gz
  19         fi
  20     done
  21
  22     # Point symlinks to compressed manpages.
  23     find "$dir"/share/man/ -type l -a '!' -regex '.*\.\(bz2\|gz\|xz\)$' -print0 \
  24         | sort -z \
  25         | while IFS= read -r -d $'\0' f
  26     do
  27         local target
  28         target="$(readlink -f "$f")"
  29         if [ -f "$target".gz ]; then
  30             ln -sf "$target".gz "$f".gz && rm "$f"
  31         fi
  32     done
  33 }