Add bookmark this script

Based on Luke Smith's script created during his "Bookmarking for Unix
Chads (For Browsers, Terminals, IDEs and everything else)" video.

https://videos.lukesmith.xyz/w/o5fiME4oJMdVzwSu7mA9mc

home/opdavies/PW05CH3L.nix

@@ -4,6 +4,7 @@
   imports = [ ../common ];
 
   cli = {
+    bookmarkthis.enable = true;
     direnv.enable = true;
     fzf.enable = true;
 

home/opdavies/t480.nix

@@ -5,6 +5,7 @@
 
   cli = {
     bluetuith.enable = true;
+    bookmarkthis.enable = true;
     direnv.enable = true;
     fzf.enable = true;
 

modules/home-manager/cli/bookmarkthis.nix

@@ -0,0 +1,68 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  inherit (lib) mkEnableOption mkOption;
+
+  cfg = config.cli.${name};
+  name = "bookmarkthis";
+in
+{
+  options.cli.${name} = {
+    enable = mkEnableOption "Enable ${name}";
+
+    snippetsFile = mkOption {
+      default = "${config.xdg.dataHome}/snippets.txt";
+      type = lib.types.str;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home = {
+      packages = with pkgs; [
+        (pkgs.writeShellApplication {
+          name = "bookmarkthis";
+
+          text = ''
+            message() {
+              if command -v  ${lib.getExe libnotify} > /dev/null; then
+                ${lib.getExe libnotify} "$1" "$2"
+              else
+                echo "$2"
+              fi
+            }
+
+            main() {
+              bookmark="$(xclip -o)"
+              file="$SNIPPETS_FILE"
+
+              if grep -q "^$bookmark$" "$file"; then
+                message "Oops." "Already bookmarked." >&2
+
+                exit 2
+              fi
+
+              echo "$bookmark" >> "$file"
+
+              message "Bookmark added!" "$bookmark is now saved to the file."
+            }
+
+            main
+          '';
+        })
+      ];
+
+      sessionVariables = {
+        SNIPPETS_FILE = cfg.snippetsFile;
+      };
+    };
+
+    programs.zsh.zsh-abbr.abbreviations = lib.optionalAttrs (config.programs.zsh.enable) {
+      "sn" = "${config.home.sessionVariables.EDITOR} $SNIPPETS_FILE";
+    };
+  };
+}

modules/home-manager/cli/default.nix

@@ -1,6 +1,7 @@
 {
   imports = [
     ./bluetuith.nix
+    ./bookmarkthis.nix
     ./dev-commit.nix
     ./direnv.nix
     ./fzf.nix

overlays/mods/dwm/default.nix

@@ -5,6 +5,9 @@ let
 in
 prev.dwm.override {
   conf = ''
+    #define BROWSER "${lib.getExe prev.librewolf}"
+    #define TERMINAL "${lib.getExe prev.st}"
+
     static const unsigned int borderpx  = 1;
     static const unsigned int snap = 32;
     static const int showbar = 1;
@@ -51,7 +54,7 @@ prev.dwm.override {
 
     static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
     static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
-    static const char *termcmd[] = { "st", NULL };
+    static const char *termcmd[] = { TERMINAL, NULL };
 
     static const Key keys[] = {
       { MODKEY, XK_p, spawn, {.v = dmenucmd } },
@@ -86,13 +89,14 @@ prev.dwm.override {
       TAGKEYS(XK_7, 6)
       TAGKEYS(XK_8, 7)
       TAGKEYS(XK_9, 8)
-      { MODKEY|ShiftMask, XK_b, spawn, SHCMD("${lib.getExe prev.librewolf}") },
+      { MODKEY|ShiftMask, XK_b, spawn, {.v = (const char*[]){ "/etc/profiles/per-user/opdavies/bin/bookmarkthis", NULL }}},
       { MODKEY|ShiftMask, XK_f, spawn, SHCMD("${prev.xfce.thunar}/bin/thunar") },
       { MODKEY|ShiftMask, XK_i, spawn, SHCMD("${prev.xdotool}/bin/xdotool type $(cat ~/.local/share/snippets.txt | grep -v '^#' | grep -v '^$' | sort | dmenu -i -l 50 | cut -d' ' -f1)") },
       { MODKEY|ShiftMask, XK_p, spawn, {.v = (const char*[]){ "${lib.getExe prev.passmenu-otp}", "-i", NULL} } },
       { MODKEY|ShiftMask, XK_q, quit, {0} },
       { MODKEY|ShiftMask, XK_r, quit, {1} },
       { MODKEY|ShiftMask, XK_s, spawn, SHCMD("${prev.flameshot}/bin/flameshot gui") },
+      { MODKEY, XK_w, spawn, SHCMD(BROWSER) },
       { MODKEY, XK_F3, spawn, {.v = (const char*[]){ "${lib.getExe prev.displayselect}", NULL} } },
       { MODKEY, XK_F9, spawn, {.v = (const char*[]){ "/home/opdavies/.local/bin/mounter", NULL } } },
       { MODKEY, XK_F10, spawn, {.v = (const char*[]){ "/home/opdavies/.local/bin/unmounter", NULL } } },