lf: streamline previews, fix new_lf_term function

common/.config/lf/lfrc

@@ -193,9 +193,8 @@ cmd extract ${{
     done
 }}
 
-# HACK: This is a dirty hack to have an lf terminal that I can "exit" out of into a shell
 cmd new_lf_term &{{
-    mapcmd='map q $sh -c "tmux; kill $id"'
+    mapcmd='map q $sh -c "$SHELL; kill $id"'
     $TERMINAL -e lfX -command "$mapcmd"
 }}
 
@@ -219,8 +218,7 @@ set period 1
 set cursorpreviewfmt "\033[7;90m"
 set promptfmt # this is set in a function later
 set sixel
-set previewer ~/.config/lf/preview/preview
+set previewer ~/.config/lf/preview
-set cleaner ~/.config/lf/preview/clean
 
 # Bindings
 clearmaps

common/.config/lf/preview/clean

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-if [ -n "$FIFO_UEBERZUG" ]; then
-    printf '{"action": "remove", "identifier": "PREVIEW"}\n' > "$FIFO_UEBERZUG"
-fi

common/.config/lf/preview/preview

@@ -1,119 +0,0 @@
-#!/bin/sh
-
-RED="\033[31m"
-RESET="\033[0m"
-
-set -C -f
-
-f="$(realpath "$1")" w=$2 h=$3 # x=$4 y=$5
-
-image() {
-    file=${1:-$f}
-    # shellcheck disable=2086
-    chafa -f sixel -s "${w}x${h}" --polite on --animate false "$file"
-    exit
-}
-
-video() {
-    thumb="$("$HOME/.config/lf/preview/vidthumb" "$f")" || {
-        printf "%b" "${RED}vidthumb failed to execute${RESET}"
-        return 1
-    }
-    image "$thumb"
-}
-
-text() {
-    for cmd in bat batcat; do
-        command -v $cmd >/dev/null 2>&1 && break
-    done
-    $cmd \
-        --style=full \
-        --color=always \
-        --italic-text=always \
-        --pager=never \
-        --tabs=4 \
-        --theme=base16 \
-        --line-range=":$h" \
-        --terminal-width="$((w - 2))" \
-        "$@"
-}
-
-run() {
-    #shellcheck disable=SC2068
-    if ! command -v "$1" >/dev/null 2>&1; then
-        printf "%b" "${RED}Cannot execute ${1}${RESET}"
-    elif "$@"; then
-        :
-    else
-        printf "%b" "${RED}Failed to run command: ${RESET}"
-        for l in "$@"; do
-            printf "%b" "\n${RED}  ${l}${RESET}"
-        done
-    fi
-    exit 1
-}
-
-mimetest() {
-    case "$1" in
-        */x-bzip-compressed-tar | */x-compressed-tar | */x-xz-compressed-tar) run als -- "$f" ;;
-        */x-7z-compressed | */vnd.rar | */x-tar | */zip | */x-java-archive | */x-xz | */gzip) run 7z l "$f" | sed 1,11d ;;
-        */x-cd-image) run iso-info --no-header -l "$f" ;;
-        */x-bittorrent) run transmission-show "$f" ;;
-        */vnd.sun.xml.writer) run odt2txt "$f" ;;
-        */msword) run catdoc "$f" ;;
-        */vnd.openxmlformats-officedocument.wordprocessingml.document) run docx2txt <"$f" ;;
-        */vnd.ms-excel) run ssconvert --export-type=Gnumeric_stf:stf_csv "$f" "fd://1" | text --language=csv "$f" ;;
-        */vnd.openxmlformats-officedocument.spreadsheetml.sheet) run ssconvert --export-type=Gnumeric_stf:stf_csv "$f" "fd://1" | text --language=csv "$f" ;;
-        # */pgp-encrypted) run gpg -d -- "$f" ;;
-        */pkix-cert) run openssl x509 -text -noout -in "$f" ;;
-        *opendocument*) run odt2txt "$f" ;;
-        */markdown)
-            [ ! -f "${CACHE}.txt" ] && run mdless "$f" >"${CACHE}.txt"
-            text "${CACHE}.txt"
-            ;;
-        */html) run lynx -dump "$f" ;;
-        */*json)
-            [ ! -f "${CACHE}.txt" ] && run jq -C <"$f" >"${CACHE}.txt"
-            text "${CACHE}.txt"
-            ;;
-        */*yaml)
-            # [ ! -f "${CACHE}.txt" ] && run yq -C <"$f" >"${CACHE}.txt"
-            # text "${CACHE}.txt"
-            text --language=yaml "$f"
-            ;;
-        */*lua) text "$f" ;;
-        */epub+zip)
-            [ ! -f "$CACHE" ] && run epub-thumbnailer "$f" "$CACHE" 1024
-            image "$CACHE"
-            ;;
-        image/svg+xml)
-            [ ! -f "${CACHE}.png" ] && run inkscape --convert-dpi-method=none -o "${CACHE}.png" --export-overwrite -D --export-png-color-mode=RGBA_16 "$f"
-            image "${CACHE}.png"
-            ;;
-        */pdf)
-            [ ! -f "${CACHE}.jpg" ] && run pdftoppm -jpeg -f 1 -singlefile "$f" "$CACHE"
-            image "${CACHE}.jpg"
-            ;;
-        video/*) video ;;
-        image/*) image ;;
-        *text*) text "$f" ;;
-        *) return 1 ;;
-    esac
-}
-
-CACHE="${XDG_CACHE_HOME}/lf/$(stat --printf "%n\0%i\0%F\0%s\0%W\0%Y" -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}')"
-
-# Special cases
-[ "$(dirname "$(realpath "$f")" | rev | cut -d/ -f1 | rev)" = "factscache" ] &&
-    [ -f "$(dirname "$(dirname "$(realpath "$f")")")/ansible.cfg" ] &&
-    jq -C <"$f" && exit
-
-giorun="$(gio info "$f" 2>/dev/null | grep standard::content-type | cut -d' ' -f4)"
-mimetest "$giorun" && exit
-
-filerun="$(file --brief --dereference --mime-type "$f")"
-mimetest "$filerun" && exit
-
-printf "%b" "\$(file --mime-type)\t\t\t : $filerun\n"
-[ -n "$giorun" ] && printf "%b" "\$(gio info)\t\t\t\t : $giorun\n"
-mediainfo "$1" | head -n -2 | grep -v -e "Complete name" -e "General"

common/.config/lf/preview/vidthumb

@@ -1,36 +0,0 @@
-#!/bin/sh
-
-if ! [ -f "$1" ]; then
-    exit 1
-fi
-
-cache="$XDG_CACHE_HOME/lf"
-index="$cache/index.json"
-file="$(realpath "$1")"
-
-mkdir -p "$cache"
-
-if [ -f "$index" ]; then
-    thumbnail="$(jq -r ". \"$file\"" <"$index")"
-    if [ "$thumbnail" != "null" ]; then
-        if [ ! -f "$cache/$thumbnail" ]; then
-            exit 1
-        fi
-        echo "$cache/$thumbnail"
-        exit 0
-    fi
-fi
-
-thumbnail="$(uuidgen).jpg"
-
-if ! ffmpegthumbnailer -i "$file" -o "$cache/$thumbnail" -s 0 2>/dev/null; then
-    exit 1
-fi
-
-if [ ! -f "$index" ]; then
-    echo "{\"$file\": \"$thumbnail\"}" >"$index"
-fi
-json="$(jq -r --arg "$file" "$thumbnail" ". + {\"$file\": \"$thumbnail\"}" <"$index")"
-echo "$json" >"$index"
-
-echo "$cache/$thumbnail"