From 79929d5009142cf545b05bdf9d9d3016c3ed7c51 Mon Sep 17 00:00:00 2001
From: Arpit Chakladar <arpitchakladar@proton.me>
Date: Thu, 23 Apr 2026 04:37:30 +0530
Subject: storing a temp file for each image preview generated, for lf file
 preview script

---
 modules/scripts/file-preview.sh | 59 ++++++++++++++++++++++++-----------------
 1 file changed, 35 insertions(+), 24 deletions(-)

(limited to 'modules')

diff --git a/modules/scripts/file-preview.sh b/modules/scripts/file-preview.sh
index 1f884ee..9af781d 100644
--- a/modules/scripts/file-preview.sh
+++ b/modules/scripts/file-preview.sh
@@ -13,12 +13,15 @@ X="$4"
 Y="$5"
 
 # Temp dir
-TMP_DIR="/tmp/lf-preview-$(id -u)"
+TMP_DIR="/tmp/preview-$(id -u)"
 mkdir -p "$TMP_DIR"
-TMP_IMG="$TMP_DIR/pv-$(basename "$FILE_PATH" | tr -c '[:alnum:]' '_').png"
+
+# Unique temp file per actual file using inode
+INODE=$(stat -c '%i' "$FILE_PATH" 2>/dev/null || echo "0")
 
 # Render image via kitty
 render_image() {
+  kitten icat --clear --stdin no --transfer-mode memory --place "${w}x${h}@${x}x${y}" /dev/null </dev/null >/dev/tty
   kitten icat --stdin no --transfer-mode memory --place "${w}x${h}@${x}x${y}" "$1" </dev/null >/dev/tty
   exit 1
 }
@@ -33,58 +36,67 @@ y="$5"
 [ ! -r "$FILE_PATH" ] && exit 0
 
 MIMETYPE=$(file --dereference --brief --mime-type "$FILE_PATH")
-
 case "$MIMETYPE" in
   # --- IMAGES ---
   image/svg+xml)
-    rsvg-convert "$FILE_PATH" -o "$TMP_IMG" >/dev/null 2>&1 && render_image "$TMP_IMG"
+    TMP_IMG="$TMP_DIR/svg-${INODE}.png"
+    [ ! -f "$TMP_IMG" ] && rsvg-convert "$FILE_PATH" -o "$TMP_IMG" >/dev/null 2>&1
+    [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
   image/*)
     render_image "$FILE_PATH"
     ;;
-
   # --- VIDEOS ---
   video/*)
-    if command -v ffmpegthumbnailer >/dev/null; then
-      ffmpegthumbnailer -i "$FILE_PATH" -o "$TMP_IMG" -s 0 -q 5 >/dev/null 2>&1
-    else
-      "$FFMPEG" -y -i "$FILE_PATH" -ss 00:00:01 -vframes 1 "$TMP_IMG" >/dev/null 2>&1
+    TMP_IMG="$TMP_DIR/vid-${INODE}.png"
+    if [ ! -f "$TMP_IMG" ]; then
+      if command -v ffmpegthumbnailer >/dev/null; then
+        ffmpegthumbnailer -i "$FILE_PATH" -o "$TMP_IMG" -s 0 -q 5 >/dev/null 2>&1
+      else
+        "$FFMPEG" -y -i "$FILE_PATH" -ss 00:00:01 -vframes 1 "$TMP_IMG" >/dev/null 2>&1
+      fi
     fi
     [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
-
   # --- AUDIO ---
   audio/*)
-    "$FFMPEG" -y -i "$FILE_PATH" \
-      -filter_complex "showwavespic=s=${WIDTH}x${HEIGHT}:colors=white" \
-      -frames:v 1 "$TMP_IMG" >/dev/null 2>&1
-
+    TMP_IMG="$TMP_DIR/aud-${INODE}.png"
+    if [ ! -f "$TMP_IMG" ]; then
+      "$FFMPEG" -y -i "$FILE_PATH" \
+        -filter_complex "showwavespic=s=${WIDTH}x${HEIGHT}:colors=white" \
+        -frames:v 1 "$TMP_IMG" >/dev/null 2>&1
+    fi
     "$FFPROBE" -hide_banner -v quiet -show_format -show_streams "$FILE_PATH"
-
     [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     exit 0
     ;;
 
   # --- PDF ---
   application/pdf)
-    "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$FILE_PATH" "${TMP_IMG%.png}" >/dev/null 2>&1
+    TMP_IMG="$TMP_DIR/pdf-${INODE}.png"
+    [ ! -f "$TMP_IMG" ] && "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$FILE_PATH" "${TMP_IMG%.png}" >/dev/null 2>&1
     [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
 
   # --- EPUB / MOBI ---
   application/epub+zip|application/x-mobipocket-ebook)
-    "$OUCH" decompress "$FILE_PATH" --limit "*/cover*.jpg" --dir /tmp && mv /tmp/cover*.jpg "$TMP_IMG"
+    TMP_IMG="$TMP_DIR/epub-${INODE}.png"
+    if [ ! -f "$TMP_IMG" ]; then
+      "$OUCH" decompress "$FILE_PATH" --limit "*/cover*.jpg" --dir "$TMP_DIR" >/dev/null 2>&1
+      mv "$TMP_DIR"/cover*.jpg "$TMP_IMG" 2>/dev/null
+    fi
     [ -s "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
 
   # --- OFFICE ---
   application/vnd.openxmlformats-officedocument.*|application/msword|application/vnd.oasis.opendocument.*)
-    libreoffice --headless --convert-to pdf --outdir "$TMP_DIR" "$FILE_PATH" >/dev/null 2>&1
-    PDF_VER="${TMP_DIR}/$(basename "${FILE_PATH%.*}").pdf"
-    if [ -f "$PDF_VER" ]; then
-        "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$PDF_VER" "${TMP_IMG%.png}" >/dev/null 2>&1
-        render_image "$TMP_IMG"
+    TMP_IMG="$TMP_DIR/doc-${INODE}.png"
+    if [ ! -f "$TMP_IMG" ]; then
+      libreoffice --headless --convert-to pdf --outdir "$TMP_DIR" "$FILE_PATH" >/dev/null 2>&1
+      PDF_VER="${TMP_DIR}/$(basename "${FILE_PATH%.*}").pdf"
+      [ -f "$PDF_VER" ] && "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$PDF_VER" "${TMP_IMG%.png}" >/dev/null 2>&1
     fi
+    [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
 
   # --- ARCHIVES ---
@@ -95,7 +107,7 @@ case "$MIMETYPE" in
 
   # --- TEXT / CODE ---
   text/*|application/json|application/javascript|application/xml)
-    "$BAT" --color=always --style=numbers --line-range :200 "$FILE_PATH"
+    "$BAT" --color=always --style=numbers --line-range :200 "$FILE_PATH" 2>/dev/null
     exit 0
     ;;
 
@@ -114,5 +126,4 @@ case "$MIMETYPE" in
     ;;
 esac
 
-# Always exit cleanly
 exit 0
-- 
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