61 lines
2.1 KiB
Nix
61 lines
2.1 KiB
Nix
{ config, pkgs, ... }:
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let
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atool = "${pkgs.atool}/bin/atool";
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awk = "${pkgs.gawk}/bin/awk";
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bat = "${pkgs.bat}/bin/bat";
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chafa = "${pkgs.chafa}/bin/chafa";
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col = "${pkgs.util-linux}/bin/col";
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ffmpegthumbnailer = "${pkgs.ffmpegthumbnailer}/bin/ffmpegthumbnailer";
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file = "${pkgs.file}/bin/file";
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gpg = "${pkgs.gnupg}/bin/gpg";
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lfcache = "${config.home.homeDirectory}/.cache/lf";
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lynx = "${pkgs.lynx}/bin/lynx";
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man = "${pkgs.man}/bin/man";
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mediainfo = "${pkgs.mediainfo}/bin/mediainfo";
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odt2txt = "${pkgs.odt2txt}/bin/odt2txt";
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pdftoppm = "${pkgs.poppler_utils}/bin/pdftoppm";
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printf = "${pkgs.coreutils-full}/bin/printf";
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readlink = "${pkgs.coreutils-full}/bin/readlink";
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sha256sum = "${pkgs.coreutils-full}/bin/sha256sum";
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stat = "${pkgs.coreutils-full}/bin/stat";
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in pkgs.writeShellScript "pv.sh" ''
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image() {
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${chafa} "$1" -f sixel -s "$(($2-2))x$3" | sed 's/#/\n#/g'
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}
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get_cache_file () {
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abs_path=$(${readlink} -f "$1")
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postfix=$(${stat} --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$abs_path" | ${sha256sum} | ${awk} '{print $1}')
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echo "${lfcache}/thumb.$postfix"
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}
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video () {
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cache=$(get_cache_file "$1")
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[ ! -f "$cache" ] && ${ffmpegthumbnailer} -i "$1" -o "$cache" -s 0
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image "$cache" "$2" "$3" "$4" "$5"
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}
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pdf () {
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cache=$(get_cache_file "$1")
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[ ! -f "$cache.jpg" ] && ${pdftoppm} -jpeg -f 1 -singlefile "$1" "$cache"
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image "$cache.jpg" "$2" "$3" "$4" "$5"
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}
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case "$(${file} --dereference --brief --mime-type -- "$1")" in
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image/*) image "$1" "$2" "$3" "$4" "$5" ;;
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video/*) video "$1" "$2" "$3" "$4" "$5" ;;
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*/pdf) pdf "$1" "$2" "$3" "$4" "$5" ;;
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text/html) ${lynx} -width="$4" -display_charset=utf-8 -dump "$1" ;;
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text/troff) ${man} ./ "$1" | ${col} -b ;;
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text/* | */xml | application/json) ${bat} --terminal-width "$4" -f "$1" ;;
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application/zip) ${atool} --list -- "$1" ;;
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*opendocument*) ${odt2txt} "$1" ;;
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audio/* | application/octet-stream) ${mediainfo} "$1" || exit 1 ;;
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application/pgp-encrypted) ${gpg} -d -- "$1" ;;
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esac
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exit 1
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''
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