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Diffstat (limited to 'dotfiles/system/.config/ranger/scope.sh')
| -rwxr-xr-x | dotfiles/system/.config/ranger/scope.sh | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/dotfiles/system/.config/ranger/scope.sh b/dotfiles/system/.config/ranger/scope.sh new file mode 100755 index 0000000..13a25b4 --- /dev/null +++ b/dotfiles/system/.config/ranger/scope.sh @@ -0,0 +1,216 @@ +#!/usr/bin/env bash + +set -o noclobber -o noglob -o nounset -o pipefail +IFS=$'\n' + +# If the option `use_preview_script` is set to `true`, +# then this script will be called and its output will be displayed in ranger. +# ANSI color codes are supported. +# STDIN is disabled, so interactive scripts won't work properly + +# This script is considered a configuration file and must be updated manually. +# It will be left untouched if you upgrade ranger. + +# Meanings of exit codes: +# code | meaning | action of ranger +# -----+------------+------------------------------------------- +# 0 | success | Display stdout as preview +# 1 | no preview | Display no preview at all +# 2 | plain text | Display the plain content of the file +# 3 | fix width | Don't reload when width changes +# 4 | fix height | Don't reload when height changes +# 5 | fix both | Don't ever reload +# 6 | image | Display the image `$IMAGE_CACHE_PATH` points to as an image preview +# 7 | image | Display the file directly as an image + +# Script arguments +FILE_PATH="${1}" # Full path of the highlighted file +PV_WIDTH="${2}" # Width of the preview pane (number of fitting characters) +PV_HEIGHT="${3}" # Height of the preview pane (number of fitting characters) +IMAGE_CACHE_PATH="${4}" # Full path that should be used to cache image preview +PV_IMAGE_ENABLED="${5}" # 'True' if image previews are enabled, 'False' otherwise. + +FILE_EXTENSION="${FILE_PATH##*.}" +FILE_EXTENSION_LOWER=$(echo ${FILE_EXTENSION} | tr '[:upper:]' '[:lower:]') + +# Settings +HIGHLIGHT_SIZE_MAX=262143 # 256KiB +HIGHLIGHT_TABWIDTH=8 +HIGHLIGHT_STYLE='pablo' +PYGMENTIZE_STYLE='autumn' + + +handle_extension() { + case "${FILE_EXTENSION_LOWER}" in + # Archive + a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\ + rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip) + atool --list -- "${FILE_PATH}" && exit 5 + bsdtar --list --file "${FILE_PATH}" && exit 5 + exit 1;; + rar) + # Avoid password prompt by providing empty password + unrar lt -p- -- "${FILE_PATH}" && exit 5 + exit 1;; + 7z) + # Avoid password prompt by providing empty password + 7z l -p -- "${FILE_PATH}" && exit 5 + exit 1;; + + # PDF + pdf) + # Preview as text conversion + pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" - | fmt -w ${PV_WIDTH} && exit 5 + mutool draw -F txt -i -- "${FILE_PATH}" 1-10 | fmt -w ${PV_WIDTH} && exit 5 + exiftool "${FILE_PATH}" && exit 5 + exit 1;; + + # BitTorrent + torrent) + transmission-show -- "${FILE_PATH}" && exit 5 + exit 1;; + + # OpenDocument + odt|ods|odp|sxw) + # Preview as text conversion + odt2txt "${FILE_PATH}" && exit 5 + exit 1;; + + # HTML + htm|html|xhtml) + # Preview as text conversion + w3m -dump "${FILE_PATH}" && exit 5 + lynx -dump -- "${FILE_PATH}" && exit 5 + elinks -dump "${FILE_PATH}" && exit 5 + ;; # Continue with next handler on failure + esac +} + +handle_image() { + local mimetype="${1}" + case "${mimetype}" in + # SVG + # image/svg+xml) + # convert "${FILE_PATH}" "${IMAGE_CACHE_PATH}" && exit 6 + # exit 1;; + + # Image + image/*) + local orientation + orientation="$( identify -format '%[EXIF:Orientation]\n' -- "${FILE_PATH}" )" + # If orientation data is present and the image actually + # needs rotating ("1" means no rotation)... + if [[ -n "$orientation" && "$orientation" != 1 ]]; then + # ...auto-rotate the image according to the EXIF data. + convert -- "${FILE_PATH}" -auto-orient "${IMAGE_CACHE_PATH}" && exit 6 + fi + + # `w3mimgdisplay` will be called for all images (unless overriden as above), + # but might fail for unsupported types. + exit 7;; + + # Video + # video/*) + # # Thumbnail + # ffmpegthumbnailer -i "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}" -s 0 && exit 6 + # exit 1;; + # PDF + # application/pdf) + # pdftoppm -f 1 -l 1 \ + # -scale-to-x 1920 \ + # -scale-to-y -1 \ + # -singlefile \ + # -jpeg -tiffcompression jpeg \ + # -- "${FILE_PATH}" "${IMAGE_CACHE_PATH%.*}" \ + # && exit 6 || exit 1;; + + # Preview archives using the first image inside. + # (Very useful for comic book collections for example.) + # application/zip|application/x-rar|application/x-7z-compressed|\ + # application/x-xz|application/x-bzip2|application/x-gzip|application/x-tar) + # local fn=""; local fe="" + # local zip=""; local rar=""; local tar=""; local bsd="" + # case "${mimetype}" in + # application/zip) zip=1 ;; + # application/x-rar) rar=1 ;; + # application/x-7z-compressed) ;; + # *) tar=1 ;; + # esac + # { [ "$tar" ] && fn=$(tar --list --file "${FILE_PATH}"); } || \ + # { fn=$(bsdtar --list --file "${FILE_PATH}") && bsd=1 && tar=""; } || \ + # { [ "$rar" ] && fn=$(unrar lb -p- -- "${FILE_PATH}"); } || \ + # { [ "$zip" ] && fn=$(zipinfo -1 -- "${FILE_PATH}"); } || return + # + # fn=$(echo "$fn" | python -c "import sys; import mimetypes as m; \ + # [ print(l, end='') for l in sys.stdin if \ + # (m.guess_type(l[:-1])[0] or '').startswith('image/') ]" |\ + # sort -V | head -n 1) + # [ "$fn" = "" ] && return + # [ "$bsd" ] && fn=$(printf '%b' "$fn") + # + # [ "$tar" ] && tar --extract --to-stdout \ + # --file "${FILE_PATH}" -- "$fn" > "${IMAGE_CACHE_PATH}" && exit 6 + # fe=$(echo -n "$fn" | sed 's/[][*?\]/\\\0/g') + # [ "$bsd" ] && bsdtar --extract --to-stdout \ + # --file "${FILE_PATH}" -- "$fe" > "${IMAGE_CACHE_PATH}" && exit 6 + # [ "$bsd" ] || [ "$tar" ] && rm -- "${IMAGE_CACHE_PATH}" + # [ "$rar" ] && unrar p -p- -inul -- "${FILE_PATH}" "$fn" > \ + # "${IMAGE_CACHE_PATH}" && exit 6 + # [ "$zip" ] && unzip -pP "" -- "${FILE_PATH}" "$fe" > \ + # "${IMAGE_CACHE_PATH}" && exit 6 + # [ "$rar" ] || [ "$zip" ] && rm -- "${IMAGE_CACHE_PATH}" + # ;; + esac +} + +handle_mime() { + local mimetype="${1}" + case "${mimetype}" in + # Text + text/* | */xml) + # Syntax highlight + if [[ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]]; then + exit 2 + fi + if [[ "$( tput colors )" -ge 256 ]]; then + local pygmentize_format='terminal256' + local highlight_format='xterm256' + else + local pygmentize_format='terminal' + local highlight_format='ansi' + fi + highlight --replace-tabs="${HIGHLIGHT_TABWIDTH}" --out-format="${highlight_format}" \ + --style="${HIGHLIGHT_STYLE}" --force -- "${FILE_PATH}" && exit 5 + # pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "${FILE_PATH}" && exit 5 + exit 2;; + + # Image + image/*) + # Preview as text conversion + # img2txt --gamma=0.6 --width="${PV_WIDTH}" -- "${FILE_PATH}" && exit 4 + exiftool "${FILE_PATH}" && exit 5 + exit 1;; + + # Video and audio + video/* | audio/*) + mediainfo "${FILE_PATH}" && exit 5 + exiftool "${FILE_PATH}" && exit 5 + exit 1;; + esac +} + +handle_fallback() { + echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}" && exit 5 + exit 1 +} + + +MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )" +if [[ "${PV_IMAGE_ENABLED}" == 'True' ]]; then + handle_image "${MIMETYPE}" +fi +handle_extension +handle_mime "${MIMETYPE}" +handle_fallback + +exit 1 |