Refine inline replacer with sad

home-manager/packages.nix

@@ -74,6 +74,7 @@
   bottom # `btm`, alt top
   xh # alt HTTPie
   zellij
+  sad
 
   typos
   hyperfine

pkgs/ir/ir.bash

@@ -1,13 +1,21 @@
-tmprb="$(mktemp --suffix='.rb')"
-cat <<'RUBY' >"$tmprb"
-$_.gsub!(
-  /before/,
-  %q|after|
-)
-RUBY
-command "$EDITOR" "$tmprb"
+if [ $# -lt 2 ]; then
+	# shellcheck disable=SC2016
+	echo 'Should be specified $1:<PATTERN> and $2:[REPLACE]' >&2
+fi
 
-# TODO: grep takes the "before" if given then via CLI
-fd --type file --hidden --exclude .git |
-	xargs grep --binary-files=without-match -l --fixed-strings -e '' |
-	xargs ruby -i -pn "$tmprb"
+# https://stackoverflow.com/a/28090709
+nl=$'\n'
+
+fzf_options="$(
+	cat <<-EOF
+		--style full --height 80% --layout reverse \
+		--border --padding '1,2' --border-label ' Inline Replacer ' \
+		--input-label ' Path Filter ' \
+		--header-label ' Keybinds ' \
+		--header "Tab(+Shift): Toggle${nl}Alt+t: Toggle All" \
+		--bind 'alt-t:toggle-all'
+	EOF
+)"
+
+fd --type file --hidden --exclude .git --exclude .direnv --exclude node_modules |
+	sad --fzf="$fzf_options" "$@"

pkgs/ir/package.nix

@@ -5,19 +5,23 @@ pkgs.writeShellApplication rec {
   runtimeInputs = with pkgs; [
     fd
 
-    # Don't use these candidates
-    #   - sed: Always forgot how to use
+    # Why not other candidates?
+    #   - sed: Always forgot how to use. And the regex is much classic
     #   - sd: Inactive
-    #   - sad: Too much for filter
-    ruby_3_4
+    #   - fastmod: Does not fit for list based preview
+    #   - srgn: Much options, but I don't know how to use that
+    sad
 
-    findutils # xargs
-    gnugrep
-
-    coreutils # cat
-    mktemp
+    unstable.fzf # Require latest to enable new options. e.g `--input-label` # TODO: Prefer stable since nixos-25.05
+    riffdiff
   ];
+  runtimeEnv = {
+    GIT_PAGER = "riff --color=on";
+  };
   meta = {
-    description = "Inline replacer with Ruby regex";
+    description = ''
+      Inline replacer with a preview UI.
+      This is also a note on how to use "sad" with external dependencies.
+    '';
   };
 }