half-baked/embed-thumbnail

   1 #!/bin/bash
   2
   3 set -e
   4 set -o pipefail
   5 set -u
   6
   7 . /usr/lib/tool/bash-utils
   8
   9 for mediafile in "$@"
  10 do
  11         pathbasename=${mediafile%.*}
  12         ext=${mediafile##*.}
  13         mediafile_new=${pathbasename}-embedtn.$ext
  14         tn_found=''
  15
  16         for tn_ext in webp png jpg
  17         do
  18                 tn_path=$pathbasename.$tn_ext
  19                 if [ -s "$tn_path" ]
  20                 then
  21                         tn_path_new=$pathbasename.png
  22
  23                         case $tn_ext in
  24                         webp)
  25                                 dwebp "$tn_path" -o "$tn_path_new"
  26                                 ;;
  27                         jpg)
  28                                 convert "$tn_path" "$tn_path_new"
  29                                 ;;
  30                         png)
  31                                 true;;
  32                         *)
  33                                 false;;
  34                         esac
  35
  36                         AtomicParsley "$mediafile" --artwork "$tn_path_new" -o "$mediafile_new"
  37                         mv "$mediafile_new" "$mediafile"
  38                         [ ! -e "$tn_path_new" ] || rm "$tn_path_new"
  39                         [ ! -e "$tn_path" ] || rm "$tn_path"
  40
  41                         tn_found=1
  42                         break
  43                 fi
  44         done
  45
  46         if [ ! $tn_found ]
  47         then
  48                 warnx "thumbnail not found for $mediafile"
  49         fi
  50 done