add os config

home/lf.nix

@@ -0,0 +1,192 @@
+{ config, pkgs, ... }:
+{
+  programs.lf = {
+    enable = true;
+    commands = {
+      trash = ''''${{
+      set -f
+      ${pkgs.trash-cli}/bin/trash $fx
+      }}'';
+      extract = ''''${{
+      set -f
+      ${pkgs.dtrx}/bin/dtrx -n $fx
+      }}'';
+      compress_gzip = ''''${{
+      set -f
+      ${pkgs.gnutar}/bin/tar Oc $(realpath --relative-to $PWD $f) | \
+      ${pkgs.pigz}/bin/pigz -cv - > $f.tar.gz
+      }}'';
+      compress_zip = ''''${{
+      set -f
+      ${pkgs.zip}/bin/zip -r $f.zip $(realpath --relative-to $PWD $f)
+      }}'';
+      compress_xz = ''''${{
+      set -f
+      ${pkgs.gnutar}/bin/tar Oc $(realpath --relative-to $PWD $f) | \
+      ${pkgs.pxz}/bin/pxz -cv - > $f.tar.xz
+      }}'';
+      compress_bzip2 = ''''${{
+      set -f
+      ${pkgs.gnutar}/bin/tar Oc $(realpath --relative-to $PWD $f) | \
+      ${pkgs.pbzip2}/bin/pbzip2 -cv - > $f.tar.bz2
+      }}'';
+      compress_zstd = ''''${{
+      set -f
+      ${pkgs.gnutar}/bin/tar --zstd -cvf $f.tar.zst $(realpath --relative-to $PWD $f)
+      }}'';
+      compress_just_tar = ''''${{
+      set -f
+      ${pkgs.gnutar}/bin/tar -cvf $f.tar $(realpath --relative-to $PWD $f)
+      }}'';
+      show_size = ''%{{
+      set -f
+      ${pkgs.coreutils}/bin/du -sh $f
+      }}'';
+      ncdu = ''''${{
+      set -f
+      ${pkgs.ncdu}/bin/ncdu $f
+      }}'';
+      # find = ''''${{
+      #   set -f
+      #   read -p 
+      toggle_preview = ''%{{
+      if [ "$lf_preview" = "true" ]; then
+        lf -remote "send $id :set preview false; set ratios 1:5"
+      else
+        lf -remote "send $id :set preview true; set ratios 1:2:3"
+      fi
+      }}
+      '';
+      paste = ''&{{
+      set -- $(cat ~/.local/share/lf/files)
+      mode="$1"
+      shift
+      case "$mode" in
+        copy)
+          rsync -ah --ignore-existing --info=progress2 --no-inc-recursive -- "$@" . |
+          stdbuf -i0 -o0 -e0 tr '\r' '\n' |
+          while IFS= read -r line; do
+              lf -remote "send $id echo $line"
+          done
+          ;;
+        move) mv -n -- "$@" .;;
+      esac
+      rm ~/.local/share/lf/files
+      lf -remote "send clear"
+      }}'';
+      bulk-rename = ''''${{
+      old="$(mktemp)"
+      new="$(mktemp)"
+      if [ -n "$fs" ]; then
+        fs="$(basename -a $fs)"
+      else
+        fs="$(ls -a)"
+      fi
+      printf '%s\n' "$fs" >"$old"
+      printf '%s\n' "$fs" >"$new"
+      $EDITOR "$new"
+      [ "$(wc -l < "$new")" -ne "$(wc -l < "$old")" ] && exit
+      paste "$old" "$new" | while IFS= read -r names; do
+        src="$(printf '%s' "$names" | cut -f1)"
+        dst="$(printf '%s' "$names" | cut -f2)"
+        if [ "$src" = "$dst" ] || [ -e "$dst" ]; then
+            continue
+        fi
+        mv -- "$src" "$dst"
+      done
+      rm -- "$old" "$new"
+      lf -remote "send $id unselect"
+      }}'';
+      alt-paste = ''&{{
+      if [ -n "$fs" ]; then
+        lf -remote "send $id $1; save-select"
+      fi
+      lf -remote "send $id paste"
+      }}'';
+
+      load-select = ''&{{
+      # skip if triggered via save-select from itself
+      if [ "$1" = "$id" ]; then
+          exit 0
+      fi
+
+      lf -remote "send $id unselect"
+      if [ -s ~/.local/share/lf/select ]; then
+          files=$(tr '\n' '\0' < ~/.local/share/lf/select | xargs -0 printf ' %q')
+          lf -remote "send $id toggle $files"
+      fi
+      }}'';
+
+      save-select = ''&{{
+      printf "%s" "$fs" > ~/.local/share/lf/select
+      lf -remote "send load-select $id"
+      }}'';
+
+      follow_link = ''%{{
+      lf -remote "send ''${id} select '$(readlink $f)'"
+      }}'';
+      open_folder_in_sxiv = ''%{{
+      nsxiv .
+      }}'';
+
+    };
+    keybindings = {
+      D = "trash";
+      x = "extract";
+      Xg = "compress_gzip";
+      Xz = "compress_zip";
+      Xx = "compress_xz";
+      Xb = "compress_bzip2";
+      Xs = "compress_zstd";
+      Xt = "compress_just_tar";
+      as = "show_size";
+      an = "ncdu";
+      ar = "bulk-rename";
+      af = "follow_link";
+      ai = "open_folder_in_sxiv";
+      E = "$nvim";
+      p = "alt-paste copy";
+      P = "alt-paste cut";
+      "<space>" = ":toggle; down; save-select";
+      u = ":unselect; save-select";
+      v = ":invert; save-select";
+      "<tab>" = "toggle_preview";
+    };
+
+    # previewer.source = "${pkgs.pistol}/bin/pistol";
+    previewer.source = pkgs.writers.writeBash "pistol" ''
+      file=$1
+      w=$2
+      h=$3
+      x=$4
+      y=$5
+
+      if [[ "$( ${pkgs.file}/bin/file -Lb --mime-type "$file")" =~ ^image ]]; then
+          kitty +kitten icat --silent --stdin no --transfer-mode file --place \
+          "''${w}x''${h}@''${x}x''${y}" "$file" < /dev/null > /dev/tty
+          exit 1
+      fi
+
+      ${pkgs.pistol}/bin/pistol "$file"
+    '';
+
+    settings = {
+      icons = true;
+      ifs = "\\n";
+      cleaner =
+        let
+          cleaner = pkgs.writers.writeBash "cleaner" ''
+            kitty +kitten icat --clear --stdin no --silent --transfer-mode file < /dev/null > /dev/tty
+          '';
+        in
+        "${cleaner}";
+    };
+
+    extraConfig = ''
+      load-select
+      setlocal ${config.xdg.userDirs.download} sortby time
+      setlocal ${config.xdg.userDirs.download} reverse
+      setlocal ${config.xdg.userDirs.download} set info size:time
+    '';
+  };
+}