Nixify project task launcher

Task scripts and desktop shortcuts are now autogenerated using a
friendly list of tasks in `gui/tasker.nix`.

i.e. a separate rofi launcher is unnecessary as the generated desktop
files are automatically picked up by stock rofi.

This is nice.

1 files changed, 29 insertions, 18 deletions

diff --git a/gui/pkgs/tasker.nix b/gui/pkgs/tasker.nix
index a198cb8..2382be2 100644
--- a/gui/pkgs/tasker.nix
+++ b/gui/pkgs/tasker.nix
@@ -1,19 +1,30 @@
-{ stdenv, pkgs, ... }:
+{ pkgs, tasks, ... }:
 
-pkgs.writeTextFile {
-  name        = "tasker";
-  executable  = true;
-  destination = "/bin/tasker";
-
-  text = with pkgs; ''
-    #!${fish}/bin/fish
-
-    pushd ~/.local/share/tasks
-    set task (find . -executable -type f | cut -c3- | rofi -dmenu -p "task")
-
-    if test $status -eq 0
-        eval $task
-    end
-    popd
-  '';
-}
+pkgs.lib.mapAttrsToList (name: value: let
+  command = pkgs.writeTextFile {
+    name        = "tasker_cmd_" + name;
+    executable  = true;
+    destination = "/bin/tasker_cmd_" + name;
+    text = ''
+      #!/bin/sh
+      pushd ${toString value.directory}
+        exec ${toString value.command}
+      popd
+    '';
+  };
+  shortcut = pkgs.writeTextFile {
+    name        = "tasker_shortcut_" + name;
+    executable  = false;
+    destination = "/share/applications/tasker_shortcut_" + name + ".desktop";
+    text = ''
+      [Desktop Entry]
+      Type=Application
+      Name=${toString value.description}
+      Exec=${command}/bin/tasker_cmd_${toString name}
+      Terminal=false
+    '';
+  };
+in pkgs.symlinkJoin {
+  name = "tasker_task_" + name;
+  paths = [ shortcut ];
+}) tasks