passing paths to the the executables used in the script

2 files changed, 38 insertions, 26 deletions

diff --git a/modules/scripts/default.nix b/modules/scripts/default.nix
index 9c7bba8..b4a6106 100644
--- a/modules/scripts/default.nix
+++ b/modules/scripts/default.nix
@@ -45,7 +45,14 @@ let
     };
     file-preview = {
       path = ./file-preview.sh;
-      env = { };
+      env = {
+        BAT = lib.getExe pkgs.bat;
+        FILE = lib.getExe pkgs.file;
+        FFMPEG = lib.getExe' pkgs.ffmpeg-full "ffmpeg";
+        FFPROBE = lib.getExe' pkgs.ffmpeg-full "ffprobe";
+        OUCH = lib.getExe pkgs.ouch;
+        PDFTOPPM = lib.getExe' pkgs.poppler-utils "pdftoppm";
+      };
       deps = [
         pkgs.bat
         pkgs.file
@@ -55,7 +62,16 @@ let
       ];
       conditions = [
         {
-          option = "tools.fzf.enable";
+          option = "tools.ffmpeg.enable";
+          value = true;
+        }
+        {
+          option = "tools.ouch.enable";
+          value = true;
+        }
+        {
+          # not a dependency
+          option = "tools.zathura.enable";
           value = true;
         }
       ];
diff --git a/modules/scripts/file-preview.sh b/modules/scripts/file-preview.sh
index 1dd810f..1f884ee 100644
--- a/modules/scripts/file-preview.sh
+++ b/modules/scripts/file-preview.sh
@@ -6,7 +6,7 @@ if [ -z "$LF_PREVIEW_RUNNING" ]; then
 fi
 
 # Parameters from lf
-FILE="$1"
+FILE_PATH="$1"
 WIDTH="$2"
 HEIGHT="$3"
 X="$4"
@@ -15,7 +15,7 @@ Y="$5"
 # Temp dir
 TMP_DIR="/tmp/lf-preview-$(id -u)"
 mkdir -p "$TMP_DIR"
-TMP_IMG="$TMP_DIR/pv-$(basename "$FILE" | tr -c '[:alnum:]' '_').png"
+TMP_IMG="$TMP_DIR/pv-$(basename "$FILE_PATH" | tr -c '[:alnum:]' '_').png"
 
 # Render image via kitty
 render_image() {
@@ -30,36 +30,36 @@ x="$4"
 y="$5"
 
 # Ensure file exists
-[ ! -r "$FILE" ] && exit 0
+[ ! -r "$FILE_PATH" ] && exit 0
 
-MIMETYPE=$(file --dereference --brief --mime-type "$FILE")
+MIMETYPE=$(file --dereference --brief --mime-type "$FILE_PATH")
 
 case "$MIMETYPE" in
   # --- IMAGES ---
   image/svg+xml)
-    rsvg-convert "$FILE" -o "$TMP_IMG" >/dev/null 2>&1 && render_image "$TMP_IMG"
+    rsvg-convert "$FILE_PATH" -o "$TMP_IMG" >/dev/null 2>&1 && render_image "$TMP_IMG"
     ;;
   image/*)
-    render_image "$FILE"
+    render_image "$FILE_PATH"
     ;;
 
   # --- VIDEOS ---
   video/*)
     if command -v ffmpegthumbnailer >/dev/null; then
-      ffmpegthumbnailer -i "$FILE" -o "$TMP_IMG" -s 0 -q 5 >/dev/null 2>&1
+      ffmpegthumbnailer -i "$FILE_PATH" -o "$TMP_IMG" -s 0 -q 5 >/dev/null 2>&1
     else
-      ffmpeg -y -i "$FILE" -ss 00:00:01 -vframes 1 "$TMP_IMG" >/dev/null 2>&1
+      "$FFMPEG" -y -i "$FILE_PATH" -ss 00:00:01 -vframes 1 "$TMP_IMG" >/dev/null 2>&1
     fi
     [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     ;;
 
   # --- AUDIO ---
   audio/*)
-    ffmpeg -y -i "$FILE" \
+    "$FFMPEG" -y -i "$FILE_PATH" \
       -filter_complex "showwavespic=s=${WIDTH}x${HEIGHT}:colors=white" \
       -frames:v 1 "$TMP_IMG" >/dev/null 2>&1
 
-    ffprobe -hide_banner -v quiet -show_format -show_streams "$FILE"
+    "$FFPROBE" -hide_banner -v quiet -show_format -show_streams "$FILE_PATH"
 
     [ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
     exit 0
@@ -67,53 +67,49 @@ case "$MIMETYPE" in
 
   # --- PDF ---
   application/pdf)
-    pdftoppm -f 1 -l 1 -png -singlefile "$FILE" "${TMP_IMG%.png}" >/dev/null 2>&1
+    "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$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 "$FILE" --limit "*/cover*.jpg" --dir /tmp && mv /tmp/cover*.jpg "$TMP_IMG"
+    "$OUCH" decompress "$FILE_PATH" --limit "*/cover*.jpg" --dir /tmp && mv /tmp/cover*.jpg "$TMP_IMG"
     [ -s "$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" >/dev/null 2>&1
-    PDF_VER="${TMP_DIR}/$(basename "${FILE%.*}").pdf"
+    libreoffice --headless --convert-to pdf --outdir "$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" "${TMP_IMG%.png}" >/dev/null 2>&1
+        "$PDFTOPPM" -f 1 -l 1 -png -singlefile "$PDF_VER" "${TMP_IMG%.png}" >/dev/null 2>&1
         render_image "$TMP_IMG"
     fi
     ;;
 
   # --- ARCHIVES ---
   application/zip|application/x-7z-compressed|application/x-rar|application/x-tar|application/x-gzip)
-    ouch list -t "$FILE" 2>/dev/null
+    "$OUCH" list -t "$FILE_PATH" 2>/dev/null
     exit 0
     ;;
 
   # --- TEXT / CODE ---
   text/*|application/json|application/javascript|application/xml)
-    if command -v bat >/dev/null; then
-      bat --color=always --style=numbers --line-range :200 "$FILE"
-    else
-      cat "$FILE"
-    fi
+    "$BAT" --color=always --style=numbers --line-range :200 "$FILE_PATH"
     exit 0
     ;;
 
   # --- FONTS ---
   font/*|application/vnd.ms-fontobject|application/x-font-ttf)
-    fc-scan "$FILE"
+    fc-scan "$FILE_PATH"
     exit 0
     ;;
 
   # --- FALLBACK ---
   *)
-    file --dereference --brief "$FILE"
+    file --dereference --brief "$FILE_PATH"
     echo "------------------------------------------------"
-    hexdump -C "$FILE" | head -n 100
+    hexdump -C "$FILE_PATH" | head -n 100
     exit 0
     ;;
 esac