packages/makeTags

   1 #! /bin/sh -
   2 #
   3 # Gets information from packages to create a checklist for
   4 # the installer of Dragora (also know as "tagfiles")
   5 #
   6 # Copyright (c) 2019 Matias Fonzo, <selk@dragora.org>.
   7 #
   8 # Licensed under the Apache License, Version 2.0 (the "License");
   9 # you may not use this file except in compliance with the License.
  10 # You may obtain a copy of the License at
  11 #
  12 #    http://www.apache.org/licenses/LICENSE-2.0
  13 #
  14 # Unless required by applicable law or agreed to in writing, software
  15 # distributed under the License is distributed on an "AS IS" BASIS,
  16 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17 # See the License for the specific language governing permissions and
  18 # limitations under the License.
  19
  20 # USAGE: makeTags [directory]
  21 #   e.g: makeTags i586/tools
  22
  23 set -e
  24
  25 getSize()
  26 {
  27     lzip_output="$(plzip -tvvv "$1" 2>&1)"
  28
  29     # To obtain the uncompressed, compressed size
  30     echo $lzip_output | awk '{ print $8 $10 }' | \
  31      while IFS=, read -r decompressed compressed
  32     do
  33         echo "Decompressed size $(( $decompressed / 1024 ))K, Compressed size $(( ${compressed%.} / 1024 ))K"
  34     done
  35
  36     unset lzip_output
  37 }
  38
  39 searchpath="$1"
  40 searchpath="${searchpath:-.}"
  41
  42 echo "Deleting any previous (.tmp) tagfile ..."
  43 find $searchpath -type f -name 'tagfile*' -exec rm -f '{}' +
  44
  45 umask 022
  46
  47 # Search all .tlz packages
  48 for meta in $(find $searchpath -type f -name '*.tlz')
  49 do
  50     # Ignore some package names
  51     case $meta in
  52     *_pass?*)
  53         echo "    ${meta}: Ignored."
  54         continue;
  55         ;;
  56     esac
  57     if test ! -e "${meta}.txt"
  58     then
  59         echo "Error ${meta##*/} does not have a meta tag file." 1>&2
  60         exit 99;
  61     fi
  62
  63     meta="${meta}.txt"
  64     directory=$(dirname -- "$meta")
  65     category="${directory##*/}"
  66
  67     # Determine output level for those series with sub-directories
  68     case $directory in
  69     */modules/* | */xorg/*)
  70         output_level=../
  71         parent_level="$(dirname -- $directory)"
  72         parent_level="$(basename -- $parent_level)"
  73         parent_level=${parent_level}_
  74         ;;
  75     esac
  76
  77     echo "Extracting information from $meta ..."
  78     . $meta
  79     (
  80         cd -- "$directory"
  81         echo "    Adding information to ${output_level}tagfile-${parent_level}${category}.tmp"
  82         echo "${pkgname}:${blurb}:ON:Version ${pkgversion} - $(getSize $(basename -- "${meta%.txt}"))" \
  83          >> "${output_level}tagfile-${parent_level}${category}.tmp"
  84     )
  85     unset output_level parent_level
  86 done
  87
  88 echo "Removing temporal tagfile(s) and sorting the final ones ..."
  89 for tagfile in ./*/*/tagfile*.tmp
  90 do
  91     LC_COLLATE=C sort -- "$tagfile" > "${tagfile%.tmp}"
  92     rm -f -- "$tagfile";                        # Delete temporary tagfile.
  93 done
  94
  95 echo "All done."
  96