pkgs: add explicit 'meta.mainProgram'

Since upstream has decided to deprecate the implied value when using
`lib.getExe` (see [1]), we should set it explicitly.

[1]: https://github.com/NixOS/nixpkgs/pull/246386

pkgs/bw-pass/default.nix

@@ -36,6 +36,7 @@ stdenvNoCC.mkDerivation rec {
     description = "A simple script to query a password from bitwarden";
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "bw-pass";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/change-audio/default.nix

@@ -35,6 +35,7 @@ stdenvNoCC.mkDerivation rec {
     '';
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "change-audio";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/change-backlight/default.nix

@@ -35,6 +35,7 @@ stdenvNoCC.mkDerivation rec {
     '';
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "change-backlight";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/diff-flake/default.nix

@@ -34,6 +34,7 @@ stdenvNoCC.mkDerivation rec {
     description = "Nix flake helper to visualize changes in closures";
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "diff-flake";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.unix;
   };

pkgs/dragger/default.nix

@@ -23,6 +23,7 @@ qt5.mkDerivation rec {
     description = "A CLI drag-and-drop tool";
     homepage = "https://git.belanyi.fr/ambroisie/dragger";
     license = licenses.mit;
+    mainProgram = "dragger";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/drone-rsync/default.nix

@@ -34,6 +34,7 @@ stdenvNoCC.mkDerivation rec {
     description = "Helper script to run rsync in a CI pipeline";
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "drone-rsync";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.unix;
   };

pkgs/drone-scp/default.nix

@@ -20,5 +20,6 @@ buildGoModule rec {
     '';
     homepage = "https://github.com/appleboy/drone-scp";
     license = licenses.mit;
+    mainProgram = "drone-scp";
   };
 }

pkgs/ff2mpv-go/default.nix

@@ -26,5 +26,6 @@ buildGoModule rec {
     '';
     homepage = "https://git.clsr.net/util/ff2mpv-go/";
     license = licenses.publicDomain;
+    mainProgram = "ff2mpv-go";
   };
 }

pkgs/i3-get-window-criteria/default.nix

@@ -35,6 +35,7 @@ stdenvNoCC.mkDerivation rec {
     description = "Helper script to query i3 window criterions";
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "i3-get-window-criteria";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.unix;
   };

pkgs/lohr/default.nix

@@ -16,6 +16,7 @@ rustPlatform.buildRustPackage rec {
     description = "Git mirroring daemon";
     homepage = "https://github.com/alarsyo/lohr";
     license = with licenses; [ mit asl20 ];
+    mainProgram = "lohr";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.unix;
   };

pkgs/matrix-notifier/default.nix

@@ -38,6 +38,7 @@ stdenvNoCC.mkDerivation rec {
     '';
     homepage = "https://git.belanyi.fr/ambroisie/${pname}";
     license = licenses.mit;
+    mainProgram = "matrix-notifier";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.unix;
   };

pkgs/osc52/default.nix

@@ -34,6 +34,7 @@ stdenvNoCC.mkDerivation rec {
     '';
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "osc52";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/rbw-pass/default.nix

@@ -34,6 +34,7 @@ stdenvNoCC.mkDerivation rec {
     description = "A simple script to query a password from rbw";
     homepage = "https://git.belanyi.fr/ambroisie/nix-config";
     license = with licenses; [ mit ];
+    mainProgram = "rbw-pass";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };

pkgs/wifi-qr/default.nix

@@ -74,6 +74,7 @@ stdenvNoCC.mkDerivation rec {
     description = "WiFi password sharing via QR codes";
     homepage = "https://github.com/kokoye2007/wifi-qr";
     license = with licenses; [ gpl3Plus ];
+    mainProgram = "wifi-qr";
     maintainers = with maintainers; [ ambroisie ];
     platforms = platforms.linux;
   };